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We examine the degree to which parental gender preferences in the USA have changed over time. To quantify levels of parental sex preference, we compare the likelihood that mothers have a third child given the gender makeup of their first two children. We construct a novel dataset of women's fertility histories using full-count censuses from 1850–1880 and 1900–1940 and extend the sample to 2019 using more recent datasets. We find a preference for having a mix of genders with only a small preference for sons. We find that a woman is about 2 percentage points more likely to have a third child if the sex of her first two children is the same, and this effect was very stable from 1850 to 1940. In contrast, we find that this effect gets much larger after 1940, reaching a high point in 1990–2000 of about 6–7 percentage points. [ABSTRACT FROM AUTHOR]

A comparative analysis of reproduction in two local populations of Libyan Jird (Meriones libycus) inhabiting in the semi-desert areas and foothill steppes of Azerbaijan, the Jeyranchol population is met most in the Western and the Absheron population most in the Eastern of Azerbaijan. The studied reproductive characteristics (sex composition, the relative ratio of the pregnant females and number of the embryos) are subject to the seasonal variation and geoclimatic factors determine largely the breeding success, according to observed indicators higher in the Jeyranchol population. [ABSTRACT FROM AUTHOR]

Men and women's diverging fields of study choices contribute to the gender wage gap among highly educated workers in several countries, yet systematic cross-national comparisons are rare. Using data from the German Socio-Economic Panel Study, the German Microcensus, and Statistics Finland this study explores whether fields of study shape the gender wage gap differently in Germany than in Finland; two countries that display strong linkages between education and employment, but differ in the generosity of family policies. The results show that fields of study are an important source of gender wage disparities in both countries. In Germany, associations between characteristics of fields and wages do not seem to differ between the genders. In Finland, the findings suggest that women profit more than men from fields with strong linkages to occupations. Our findings highlight that research analyzing the association between fields of study and gender inequality needs to consider institutional features and gender-specific patterns. [ABSTRACT FROM AUTHOR]

Objective: To investigate the relationship between sex-composition of children and women's fertility desire in Vietnam. Materials and methods: Using data from the 2014 Vietnam Multiple Indicator Cluster Survey (MICS), we investigate the association between sex composition of children and desire for additional children among women in reproductive age (15 to 49 years) across Vietnam (N=5,605). Results: Multivariate logistic regression models showed statistically significant association between sex composition of children and women's fertility desire, after controlling for social norms of fertility preference, demographic and socioeconomic factors. For each group of women (those with one child, two children, and three or more children) women with no sons are more likely to have higher fertility desire compared to women with at least one son. However, women with both son (s) and daughter (s) tend to have lower fertility desire compared to those who have all sons. Conclusion: Vietnam's traditional cultural norm of son preference has a strong influence on fertility desire. Besides, mix-gender preference is also documented. The government should enforce the law more strictly regarding the prohibition of ultrasounds to detect fetal sex to reduce the feasibility of sex selection abortion. In addition, the government should improve the social ideology of the role of women in the family and society through mass media. [ABSTRACT FROM AUTHOR]

While studies in high-income countries have shown that failure to achieve fertility desires is significantly associated with unfavourable personal circumstances, there is barely any empirical evidence on the factors that influence the pattern of unrealized fertility in sub-Saharan Africa. Using data from the 2018 Nigeria Demographic and Health Survey, this paper investigates the roles of ethnicity and the sex composition of living children on unrealized fertility in Nigeria. The results show that the odds of having unrealized fertility were higher among Hausa–Fulani women compared with women of other ethnic groups in Nigeria. Also, having daughters only (no sons) was associated with higher odds of unrealized fertility, after controlling for other important covariates. The findings suggest that cultural norms and pronatalism significantly influence the fertility desires of women in Nigeria, even at the end of their reproductive lifespan. [ABSTRACT FROM AUTHOR]

We examine the impact of the Allowance for Newborn Children, a universal baby bonus offered by the Canadian province of Quebec, on birth order, sibship sex composition, income, and education. We find a large response for third- and higher-order births for which the bonus was more generous. Interestingly, though, we find stronger response if there were two previous sons or a previous son and daughter rather than two previous daughters. We also find, in addition to a transitory effect, a permanent effect, with the greatest increase in one daughter-two son families among three-child households. Moreover, we find a hump shape response by income group, with the greatest response from middle-income families. Also, women with at least some post-secondary education respond more to the policy than those with less. These findings suggest that properly structured pro-natal policies can successfully increase fertility among different segments of the population while simultaneously diminishing the effect of gender preferences and fertility disparity related to women's education. [ABSTRACT FROM AUTHOR]

Sex composition of groups has been theorized in organizational sociology and found in prior work to structure female and male members' behaviors and experiences. Peer group and gang literature similarly finds that the sex gap in offending varies across groups of differing sex ratios. Drawing on this and other research linking gang membership, offending, and victimization, we examine whether sex composition of gangs is linked to sex differences in offending in this sample, further assess whether sex composition similarly structures females' and males' victimization experiences, and if so, why. Self-report data from gang members in a multi-site, longitudinal study of 3,820 youths are employed. Results support previous findings about variations in member delinquency by both sex and sex composition of the gang and also indicate parallel variations in members' victimization. These results are further considered within the context of facilitating effects such as gender dynamics, gang characteristics, and normative orientation. [ABSTRACT FROM AUTHOR]

Married individuals match with spouses who share their occupation more frequently than should happen by chance if marriage markets are large frictionless search markets covering a particular geographic area. This suggests that either there is a preference for same-occupation matches or that search costs are lower within occupation. This paper uses 2008-2015 data from the American Community Survey to analyze same-occupation matching among a sample of recently married couples. Our empirical strategy compares the difference in wages between same-occupation husbands and different-occupation husbands across occupations with different percent male workers. Under a preference explanation, this difference should become less negative as the share of males in the occupation increases. Under a search cost explanation, this difference should become more negative as the share of males increases. Our results are consistent with the search cost explanation. Furthermore, using an occupation-specific index of workplace communication, we demonstrate that the results are most consistent with the search cost mechanism for occupations with a greater degree of workplace communication. Finally, we show that matching on field of degree for couples in which both spouses have a college degree is also consistent with the search cost explanation. [ABSTRACT FROM AUTHOR]

Successful social interaction requires the ability to integrate as well as distinguish own and others' actions. Normally, the integration and distinction of self and other are a well-balanced process, occurring without much effort or conscious attention. However, not everyone is blessed with the ability to balance self-other distinction and integration, resulting in personal distress in reaction to other people's emotions or even a loss of self [e.g., in (subclinical) psychosis]. Previous research has demonstrated that the integration and distinction of others' actions cause interference with one's own action performance (commonly assessed with a social Simon task). The present study had two goals. First, as previous studies on the social Simon effect employed relatively small samples ( N < 50 per test), we aimed for a sample size that allowed us to test the robustness of the action interference effect. Second, we tested to what extent action interference reflects individual differences in traits related to self-other distinction (i.e., personal distress in reaction to other people's emotions and subclinical psychotic symptoms). Based on a questionnaire study among a large sample ( N = 745), we selected a subsample ( N = 130) of participants scoring low, average, or high on subclinical psychotic symptoms, or on personal distress. The selected participants performed a social Simon task. Results showed a robust social Simon effect, regardless of individual differences in personal distress or subclinical psychotic symptoms. However, exploratory analyses revealed that the sex composition of interaction pairs modulated social Simon effects. Possible explanations for these findings are discussed. [ABSTRACT FROM AUTHOR]

The effects of sex composition of dyads and surrounding others in groups on the accuracy in women’s expected evaluations (metaperceptions) were investigated using the Group Actor-Partner Interdependence Model (GAPIM). The dataset comprised 26 groups of four to six previously unacquainted participants who completed an unstructured social interaction followed by round-robin evaluations and metaperceptions on evaluative adjectives. Women expected less positive evaluations from opposite-sex partners, and this did not vary by the sex composition of surrounding others. However, women were less accurate in predictions of how they were evaluated by male partners (compared with female partners) if women were the majority in the surrounding group. Also, women formed less accurate metaperceptions of female partners when women were the minority, rather than the majority in the surrounding context. Implications for theory development in intergroup relations and contributions of the GAPIM to diversity research are discussed. [ABSTRACT FROM AUTHOR]

Highlights: [•] We analyzed data from the ECLS-K. [•] Classroom sex composition affects reading scores in first grade. [•] Socio-emotional skills are also related to classroom sex composition. [•] Classroom behavior partially explains the effects of classroom sex composition. [Copyright &y& Elsevier]

We describe sibling proactive and reactive aggression in middle and late adolescence. Participants were 8th ( n = 303, M = 13.74 years, SD = .59) and 12th ( n = 300, M = 17.73 years, SD = .56) grade adolescents who completed an in-school survey. Findings revealed that these adolescents were significantly more likely to engage in reactive than proactive aggression with their closest-aged sibling. However, 8th grade adolescents reported greater aggression toward their closest-aged sibling than did 12th grade adolescents. In addition, sex composition of the sibling dyad moderated the association between sibling relationship quality (i.e., warmth and rivalry) and both proactive and reactive aggression indicating unique links for brother-brother and older sister-younger brother pairs. [ABSTRACT FROM AUTHOR]

In India, many parents follow son-preferring fertility-stopping rules. Stopping rules affect both the number of children and the sex composition of these children. Parents whose first child is male will stop having children sooner than parents whose first child is female. On average, parents of a first-born son will have fewer children and will have a higher proportion of sons compared to parents of a first-born daughter. An economic model in which sons bring economic benefits and daughters bring economic costs, shows the importance of sex composition on child outcomes: holding the number of siblings constant, boys are better off with sisters and girls are better off with brothers. Empirical evidence using the sex outcome of first births as a natural experiment shows that stopping rules can exacerbate discrimination, causing as much as a quarter of excess female child mortality. Another implication of the research is that the use of sex-selective abortion may lower female mortality, but raise male mortality. [ABSTRACT FROM AUTHOR]

This article examines desired family size and sex composition, the extent of son preference, the underlying motivations for the preference, and the knowledge and use of the new reproductive technologies to achieve these preferences in two culturally distinct but economically similar immigrant communities in New Delhi, India. The two groups - one group from Punjab, north India, and the other from Kerala, south India - are considered in the literature to be two extremes in the socio-cultural spectrum, particularly in terms of kinship organizations, gender relations, women's decision-making power, and levels of women's autonomy. The results of the study suggest that shared urban experience, acceptance of a small family norm, and easy accessibility of new reproductive technologies and abortion services have led to similarities in desired family size, preference for sons, and means taken to realize their preference in the two communities. The article concludes with a discussion of the intricate and intersecting views of parents on family size, son preference and daughter neglect, and the many ways of regulating family size and sex composition in urban India, and draws parallel with similar research findings in India and elsewhere in Asia. [ABSTRACT FROM AUTHOR]

Abstract: A multilevel modeling approach was employed to investigate the relation between sex composition and developmental change in 70 urban preschool classrooms. The research represents a unique contribution as (1) few studies have examined the influence of sex composition during the preschool years, (2) it represents the first research to use a continuous (i.e., sex ratio) as opposed to binary (i.e., mixed- versus single-sex) indicator for classroom sex composition, and (3) the sample represents an important and often neglected group (i.e., low-income children from urban schools). A series of HLM models were run, addressing the nested nature of the data (children within classrooms), and relating classroom sex composition to developmental change using the cognitive, motor, and social subscales from the Child Observation Record (COR). Overall, there were no main effects at the classroom-level for sex composition. However, a cross-level interaction indicated that, while girls’ development was not influenced by classroom sex composition, boys in classrooms with proportionally more boys fared significantly worse in terms of development as assessed by combined score on the COR. More specifically, this interaction was significant when predicting the COR cognitive subscale, but nonsignificant when predicting the COR social and motor subscales. This was true when controlling for the number of students at the classroom-level, as well as child''s age and baseline ability (i.e., Time 1 COR) at the child-level. Implications for early childhood education policy are discussed. [Copyright &y& Elsevier]

Abstract: This paper develops and estimates models of family and sex-specific emigration, as well as the sex composition of this emigration, from 12 European source countries to the U.S. for the period 1870–1910. The models are based on the distinction between economic migrants (males, single females, and some married females) and tied or trailing migrants (females) and are estimated with panel data, including data that relate to the occupational/industrial structure of male and female economic activity in source countries. Hausman-Taylor instrumental variable estimates suggest that although both males and females responded to labor-market signals, males were more responsive than females to per capita GDP differences. Moreover, compared to the rest of Europe, Ireland, and Scandinavia were the sources of many young, single male, and female migrants, who responded strongly to gaps in economic opportunities. In fact, much of the European response to such gaps appears to be due to migrants from Ireland and Scandinavia. Females tended to originate in English-speaking countries and countries that were agriculturally oriented. Service and manufacturing jobs in source countries discouraged the migration of females relative to males. Males tended to follow recent migrants more than females, but females responded more to long-term influences as measured by stocks of migrants from their source countries who had previously settled in the U.S. Countries with high birth rates had relatively fewer female emigrants, whereas those with high rates of natural increase 20 years earlier experienced relatively more male emigration. Intact families, other family members (including family-strategy male migrants and trailing female migrants), and single males and females responded strongly to economic incentives, but the singles were most responsive followed by family-strategy males. [Copyright &y& Elsevier]

Using historical data from the Utah Population Database, this analysis finds significant, consistent, but small adverse mortality effects for mothers after age 50 who had mostly sons. Examination of age-dependent effects indicates that this association increases with mother’s age. Additionally, mothers who had mostly daughters faced mortality risks that increased with age. Offspring sex composition did not have a significant effect on paternal mortality. Interaction analyses were conducted to examine the effect of offspring sex composition with regard to historical period, residential location, socioeconomic status, and childhood survival. No other interactions were found to be statistically significant. Having mostly boys remained detrimental to maternal mortality regardless of childhood survival. [ABSTRACT FROM AUTHOR]

Differences in the growth rate of male and female offspring can result in different parental rearing costs for sons and daughters. Such differences may also influence the survival chances of male and female offspring when conditions are unfavourable. In birds, hatching asynchrony leads to hierarchical competition for food between siblings. Therefore, the sex of the chick in the first hatched position in the brood may influence breeding success by affecting the extent to which the later hatched chicks can compete for resources. The interaction between brood sex composition and chick performance in the herring gull Larus argentatus was examined under different environmental conditions. When environmental conditions were relatively good, chick survival within broods was better when a female was first to hatch, an effect that was most obvious later in the season. When conditions were poorer however, sex of the first hatched chicks was not related to brood survival. In neither situation did the overall primary sex ratio differ from equality. However in the year of relatively good food availability, the first chick in the brood was more likely to be male early in the season, which was when the disadvantageous effects on brood survival of males being in this position are weakest. [ABSTRACT FROM AUTHOR]

Abstract: The objective of this study was to evaluate the effect of sex composition of the group of lambs before puberty on later sexual performance in Awassi ram lambs. Thirteen Awassi ram lambs of the same age were raised in either all-male group (n =7) or in a group mixed with females (n =6) from weaning to puberty. Blood samples, body weights (BW) and scrotal circumferences (SC) of ram lambs were recorded between eight and 10 months of age. Sexual performance testing was performed at 9 months of age by individually exposing ram lambs to oestrous females on five occasions. Body weight and SC were greater (P <0.01) in the all-male compared with the mixed group. Plasma testosterone concentrations were not influenced (P >0.05) by treatment. Plasma testosterone concentrations were significantly correlated (P ≤0.05) with BW (r =0.3) and SC (r =0.4). No treatment effects were detected regarding bouts of leg-kicking. Bouts of anogenital sniffing, the frequency of mount attempts and mounting frequency were greater (P <0.05) in the all-male group. Even though the frequency of raising the fat tail of females was similar between the two treatments, the mixed group tended to be (P =0.08) more efficient in doing so than the all-male group (higher tail raising/mount). Results of the current study indicate that mixing groups of ram and ewe lambs before puberty may be insufficient to improve later sexual performance of ram lambs. [Copyright &y& Elsevier]

Previous research suggests that the quality of men's work group social relations varies depending on the sex composition of the work unit. Previous studies also suggest that men derive different benefits from working with other men than with women and that the higher status associated with men and masculinity advantages men in their relations with women workers. Previous sex composition studies tell us little, however, about the extent to which the quality of men's work group social relations with women and other men depends on how well a man fits dominant masculinity stereotypes. Drawing on sex composition and gender constructionist approaches to gender and work I investigate in this study the effects of men's individual similarity to masculinity stereotypes on the affective quality of their social relations with coworkers, given the sex composition of their work groups. The data for this study consist of male, mostly white, non-faculty employees of a public university in the northwest United States. I discuss my results in terms of both individual outcomes and implications for understanding sex and gender inequalities in work organizations. [ABSTRACT FROM AUTHOR]

Background: School injuries are an important adolescent health problem. Previous research suggests that relevant risk behaviors for school injuries, risk-taking and aggression, are highly susceptible to peer effects. Specifically, evidence suggests that the ratio of men and women in peer groups (sex ratio) affects individuals' propensity for aggression and risk-taking. However, potential associations of classroom sex ratios with adolescent school injury risks have not been studied so far. The purpose of this paper is to investigate the association of classroom sex compositions with adolescent school injuries.Methods: We investigate the association of classroom sex ratios with school injuries in a longitudinal survey dataset containing 13,131 observations from 9,204 adolescent students (ages 13-16) from secondary schools in Germany. The data also allow us to identify injuries due to aggressive behavior and analyze these injuries in detail. We use multilevel logistic regression models to analyze risks of both overall and aggression-related school injuries.Results: Adolescent students' risk for school injuries is significantly and positively associated with male-skewed classroom sex ratios (OR = 1.012, p=0.012). Specifically, the risk of sustaining a school injury increases by 33.5 percent when moving from the 10th to the 90th classroom sex ratio percentile. Moreover, we find an even stronger positive association between male-dominated classrooms and aggression-related injury risks (OR = 1.022, p=0.010). Compared to classroom sex ratios at the 10th percentile, the risk of an aggression-related injury is 78 percent higher in classrooms with a sex ratio at the 90th percentile. Finally, we find that both boys' and girls' injury risks equally increase with a higher proportion of male students in their classroom.Conclusions: Our findings indicate that sex composition of classrooms is an important contextual factor for adolescent school injuries, in particular school injuries resulting from aggression. These findings illustrate the need to integrate a contextual perspective on school injuries among adolescent students both into research and into intervention planning. [ABSTRACT FROM AUTHOR]

• This paper examines the effects of sibship composition and birth order on the school enrolment and educational attainment of children, using data from the Vietnam Population and Housing Census 2009. • We find that sibship size has a significant, negative effect on child education and having an additional boy lowers children's average educational attainment for both girls and boys. • We establish that birth order has a significant, negative effect on child education attainment, although that effect seems to vanish with the youngest sibling. • The findings imply that the result of family planning policy during the 1990s and 2000s may contribute to its remarkable educational achievements. • As parents disproportionately allocate more resources for boys and earlier born children, government-targeted programs should tackle those issues to provide equal school opportunities for all children. This paper examines the effects of sibship composition and birth order on the school enrolment and educational attainment of children, using data from the Vietnam Population and Housing Census 2009. Utilizing an instrumental variable estimation method to address the endogeneity of sibship size, we find that it has a significant, negative effect on child education. Examining the impact of sibling sex composition, we find that having an additional boy lowers children's average educational attainment for both girls and boys. We establish that birth order has a significant, negative effect on child educational attainment, although that effect seems to vanish with the youngest sibling. Our findings have several policy implications. First, the negative effect of sibship size on education implies that Vietnam's lower fertility rate, the result of family planning policy during the 1990s and 2000s, may contribute to its remarkable educational achievements. Second, we find that birth order and sibling sex composition are more important than sibship size in children's educational outcomes. As parents disproportionately allocate more resources for boys and earlier born children, government-targeted programs should tackle those issues to provide equal school opportunities for all children. [ABSTRACT FROM AUTHOR]

This chapter reviews research on the determinants and consequences of race and sex composition of organizations. Determinants include the composition of the qualified labor supply; employers' preferences, including the qualifications they require; the response of majority groups; and an establishment's attractiveness, size, and recruiting methods. The race and sex composition of an establishment affects workers' cross-group contact; stress, satisfaction, and turnover; cohesion; stereotyping; and evaluation, Composition also affects organizations themselves, including their performance, hiring and pro- motion practices, levels of job segregation, and wages and benefits, Theory- driven research is needed (a) on the causal mechanisms that underlie the relationships between organizational composition and its determinants and con- sequences and (b) on the form of the relationships between organizational composition and workers outcomes (e.g., cross-group contact, cohesion, turnover, etc). Research is needed on race and ethnic composition, with a special focus on the joint effects of race and sex. [ABSTRACT FROM AUTHOR]

This study uses comparable data on 470 detailed occupations from the 1970, 1980, and 1990 Censuses to analyze trends in occupational segregation in the United States in the 1980s and compare them in detail to the 1970s experience of declining segregation. We find that the trend towards reduced segregation did indeed continue into the 1980s at only a slightly slower pace. In both decades, changes in sex composition within occupations accounted for the major share of the decline in segregation (compared to changes in the mix of occupations in the economy). We also find that the pattern of changes in the sex composition of occupations and in the employment distribution of workers that produced the observed reductions in segregation were remarkably similar in each of these two periods. This similarity potentially poses some problems for the future. As women continue to enter the same areas, resegregation, which we found to have relatively moderate effects in the 1970s and 1980s, becomes an increasing possibility. Continued progress towards reducing occupational segregation requires that women succeed in entering a broader range of traditionally male occupations and/or a greater flow of men into traditionally female occupations. [ABSTRACT FROM AUTHOR]

This study examines the association between sibling gender configuration and second-born siblings' choice of so-called STEM educational fields (i.e., science, technology, engineering, and mathematics) in Swedish two-child families. Using population data from administrative registers in Sweden, the findings show that younger siblings, net of parental characteristics, are more likely to choose a STEM field if their older sibling has attended or is already attending a STEM program. Moreover, a gender difference is clear concerning the choice of a STEM field among younger siblings: Girls are more likely to choose a STEM field if they have an older sister who has attended a STEM program, than if they have an older brother in a similar program. However, the corresponding results are not found for boys. Given that STEM fields are markedly male-dominated at tertiary level, this indicates an importance of a same-sex role model for young girls contemplating gender-atypical educational choices. [ABSTRACT FROM AUTHOR]

Background: Sex composition of living children within the context of "sex preference" and its association with various reproductive health outcomes has been extensively studied in South and South East Asia. Although sex preference has been observed in sub-Saharan Africa, there is paucity of research on sex composition of living children and its association with reproductive health behaviours and outcomes, particularly in a matrilineal inheritance system. The purpose of the study was to explore the existence of sex preference in a matrilineal inheritance system. Specifically, the study sought to better understand the issues by examining the sex composition of living children and how it is associated with reproductive outcomes such as pregnancy intendedness and intention to use postpartum family planning among women in a matrilineal area of Ghana. Methods: This was a cross sectional study conducted at four selected health facilities in the Mfantseman municipality of the Central Region of Ghana. Out of the 1914 pregnant women attending antenatal clinic selected using total enumeration, from 2nd January to 30th April 2012, 1091 with living children and complete socio-demographic data were recruited for this study. Descriptive, chi square and multivariate logistic regression analyses were conducted. Results: The mean age of the 1091 respondents in this study was 28.2 ± 6.0 years with mean gestational age of 26.7 ± 6.6 weeks. Whilst 78% of the women had at least a son, 71% had at least a daughter, with those having only sons exceeding those with only daughters by 6.3%. Also, majority of the women with more sons than daughters did not intend their current pregnancies. These observations, coupled with a sex ratio of 109 males to 100 females, inferred the existence of son preference. The levels of unintended pregnancy and intention to use postpartum family planning were high (70% and 78% respectively). There was an association between sex composition of living children and unintended pregnancy but no association between sex composition of living children and intention to use postpartum family planning. Women with only sons were 50% less likely to have unintended pregnancies compared to those with equal number of sons and daughters [AOR 0.5, 95% CI (0.3–0.8)]. Similarly, women over 30 years were 80% less likely to have unintended pregnancies compared to those 15–19 years [AOR 0.2, 95% CI (0.1–0.6)]. The women with parity of 5 or more and resident in Anomabo were more likely to have unintended pregnancy compared to those with parity of up to two [AOR 3.8, 95% CI (1.7–8.59)] and those resident in Saltpond [AOR 1.8, 95%CI (1.1–2.8), respectively. In addition, the women resident in Anomabo were more likely to have intention to use postpartum family planning compared to those in Saltpond [AOR 1.8, 95% CI (1.0–3.3)]. Conclusion: There was persistence of more sons than daughters born in a predominantly matrilineal inheritance system and sex composition of living children had significant association with pregnancy intendedness but not with intention to use postpartum family planning. [ABSTRACT FROM AUTHOR]

Background: The sex composition of existing children has been shown to influence childbearing decision-making and behaviors of women and couples. One aspect of this influence is the preference for sons. In India, where son preference is deeply entrenched, research has normally focused on rural areas using cross-sectional data. However, urban areas in India are rapidly changing, with profound implications for childbearing patterns. Yet, evidence on the effect of the sex composition of current children on subsequent childbearing intentions and behavior in urban areas is scant. In this study, we analyze the impact of sex composition of children on subsequent (1) parity progression, (2) contraceptive use, and (3) desire for another child. Methods: We analyze prospective data from women over a four year period in urban Uttar Pradesh using discrete-time event history logistic regression models to analyze parity progression from the first to second parity, second to third parity, and third to fourth parity. We also use logistic regression models to analyze contraceptive use and desire for another child. Results: Relative to women with no daughters, women with no sons had significantly higher odds of progressing to the next birth (parity 1 – aOR: 1.31; CI: 1.04–1.66; parity 2 – aOR: 4.65; CI: 3.11–6.93; parity 3 – aOR:3.45; CI: 1.83–6.52), as well as reduced odds of using contraception (parity 2 – aOR:.58; CI:.44–.76; parity 3 – aOR:.58; CI:.35–.98). Relative to women with two or more sons, women with two or more daughters had significantly higher odds of wanting to have another child (parity 1 – aOR: 1.33; CI: 1.06–1.67; parity 2 – aOR: 3.96; CI: 2.45–6.41; parity 3–4.89; CI: 2.22–10.77). Conclusions: Our study demonstrates the pervasiveness of son preference in urban areas of Uttar Pradesh. We discuss these findings for future programmatic strategies to mitigate son preference in urban settings. [ABSTRACT FROM AUTHOR]