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The effects of dysfunctional parenting styles on interpersonal sensitivity were studied in 640 Japanese volunteers. Interpersonal sensitivity was assessed by the Interpersonal Sensitivity Measure (IPSM), and perceived parental rearing was evaluated by the Parental Bonding Instrument (PBI), which is consisted of care and protection factors. Parental rearing was classified into 4 types, i.e., optimal parenting (high care/low protection), affectionate constraint (high care/high protection), neglectful parenting (low care/low protection), and affectionless control (low care/high protection). Males with paternal affectionless control showed higher total IPSM scores than those with paternal optimal parenting (p = 0.022). Females with maternal affectionate constraint (p = 0.001), neglectful parenting (p = 0.022), and affectionless control (p = 0.003) showed higher total IPSM scores than those with maternal optimal parenting. In males and females, dysfunctional parenting styles by the opposite-sex parents did not affected total IPSM scores. The present study suggests that in both males and females interpersonal sensitivity is increased by dysfunctional parenting styles by the same-sex parents. [ABSTRACT FROM AUTHOR]

Previous studies have suggested that body mass index (BMI) is related to personality traits, and that there may be gender specificity in this relationship. In the present study, the association between BMI and the 7 dimensions of the Temperament and Character Inventory was investigated in 567 Japanese healthy volunteers, with special attention on gender effects. Height and weight were self-reported, and BMI was calculated from these values. In the multiple regression analyses, higher BMI was related to higher scores of harm avoidance (p < 0.05) and lower scores of self-directedness (p < 0.01) in women, whereas BMI was not related to any Temperament and Character Inventory dimension in men. The present study suggests that increasing BMI is associated with increased harm avoidance and decreased self-directedness in women but not in men in healthy subjects. [ABSTRACT FROM AUTHOR]