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Abstract: Disparities in physical and mental health between advantaged and disadvantaged communities are among the largest threats to population health worldwide. These disparities appear to be growing, probably in part because we do not understand how to address their underlying causes. Many believe the underlying causes are thought to arise directly or indirectly from the psychosocial problems underlying poverty, such as hunger, poor housing, drug use, or crime. One logical solution is therefore to provide more community services targeted at addressing these problems within the most disadvantaged communities. However, to date, data on the efficacy of this approach is lacking. China serves as a possible laboratory for studying the efficacy of community-based programs. This is because the extensive community-based programs present prior to economic reforms in 1978 were removed, and then later re-instated in a quasi-experimental manner. In this issue, Yuying Shen uses multi-level models to explore the impact of this experiment on community mental health in a multi-level associational study. She finds that the quantity (but not their length of time in the community) of such services is positively associated with mental health. This study opens the door to more rigorous analyses that might motivate formal social experiments at the community level worldwide. If successful, such experiments might not only transform what we currently know not just about improving health in disadvantaged communities, but also prove transformative for health policy as a discipline. [Copyright &y& Elsevier]

Very little is known about the newest New Yorkers of Chinese heritage, the largest and fastest growing immigrant group in the city. This article compares measures of the health of immigrants to New York from Mainland China to the health of other New Yorkers of Asian heritage along with all other New Yorkers. We did so using the 1,999 subjects in the 2004 New York Health and Nutrition Examination Survey, controlling for age and gender. We found that New Yorkers born in Mainland China have a lower body mass index, a smaller waist circumference, a more sexually conservative lifestyle, highly favorable high-density lipoprotein profiles, and lower rates of herpes II infection. However, they also have higher blood levels of lead, cadmium, and mercury than either reference group. This article provides the first study of the health needs of New York's largest and most rapidly growing immigrant group. [ABSTRACT FROM AUTHOR]

Objectives: To examine generational differences in longitudinal blood pressure trajectories by region following socioeconomic transitions, which is important for establishing the population risk of cardiovascular diseases (CVDs)., Methods: With data from the China Health and Nutrition Survey (1991-2011), we used multilevel growth-curve models to estimate systolic/diastolic blood pressure (SBP/DBP) levels at the mean age and rates of change by cohort (born between 1931 and 1980), region, and sex., Results: Younger cohorts generally had higher SBP/DBP levels at 44.5 years but lower growth rates in SBP/DBP than older cohorts. They became prehypertensive (SBP ≥ 120 mm Hg or DBP ≥ 80 mm Hg) at an earlier age. The upward shift of SBP/DBP trajectories across cohorts was more pronounced in the Coastal and Southern Mountainous Regions than the Northeastern and Inland Regions, and for males versus females., Conclusions: Younger cohorts have a longer lifetime duration of being susceptible to CVDs, posing warnings for an increased burden of CVDs. Generational differences in BP trajectories and geographic and sex variations in the cohort trends highlight the need for tailored interventions to tackle the generation, region, and sex-based risk of CVDs.

Objective: The New Rural Cooperative Medical Scheme (NCMS) is a universal healthcare coverage plan now covering over 98% of rural residents in China, first implemented in 2003. Rising costs in the face of modest gains in health and financial protections have raised questions about the cost-effectiveness of the NCMS., Methods: Using the most recent estimates of the NCMS's health and economic consequences from a comprehensive review of the literature, we conducted a cost-effectiveness analysis using a Markov model for a hypothetical cohort between ages 20 and 100. We then did one-way sensitivity analyses and a probabilistic sensitivity analysis using Monte Carlo simulations to explore whether the incremental cost-effectiveness ratio (ICER) falls below 37,059 international dollars [Int$], the willingness-to-pay (WTP) threshold of three times per capita GDP of China in 2013., Findings: The ICER of the NCMS over the lifetime of an average 20-year-old rural resident in China was about Int$71,480 per quality-adjusted life year (QALY) gained (95% confidence interval: cost-saving, Int$845,659/QALY). There was less than a 33% chance that the system was cost-saving or met the WTP threshold. However, the NCMS did fall under the threshold when changes in the program costs, the risk of mortality and hypertension, and the likelihood of labor force participation were tested in one-way sensitivity analyses., Conclusion: The NCMS appears to be economically inefficient in its current form. Further cost-effectiveness analyses are warranted in designing insurance benefit packages to ensure that the NCMS fund goes toward health care that has a good value in improving survival and quality of life., Competing Interests: The authors have declared that no competing interests exist.