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Who Lives Longer and Healthier? The Role of Personality, Facial Attractiveness, and Intelligence
김근태 한국사회학회 2014 韓國社會學 Vol.48 No.6
Despite considerable evidence suggesting that physical characteristics, such as facial attractiveness, and psychological characteristics, such as personality and intelligence, are associated with mortality and health, few studies have integrated these factors into a single model. Using data from the Wisconsin Longitudinal Study (WLS), the present study explores which, and to what extent, individual characteristics are associated with various dimensions of health. Moreover, this study compares and contrasts the results from the WLS with results from the Americans’ Changing Lives (ACL) study. Results from parametric proportional hazard regressions indicate that, even after accounting for SES and health behavior risk factors, two personality traits – neuroticism and openness – matter for men’s mortality in the WLS. Also, higher levels of physical attractiveness significantly reduced the hazard of mortality for women. However, intelligence had a trivial effect on all health outcomes in both sexes. Similar patterns were observed in the ACL.
The Effect of Personality Traits, Physical Attractiveness, and Intelligence on Reproductive Behavior
김근태 한국사회학회 2015 韓國社會學 Vol.49 No.6
Reproductive behavior is a complex process involving psychological, biological, and social influences throughout individual’s life. Yet, to date, most research on determinants of fertility has treated these factors simply as the unobservable. Using three large longitudinal studies, the current study estimates the effects of personality traits, physical attractiveness, intelligence, and SES on transition to parenthood and on number of children ever born. Analyses results indicated that, among the personality traits, extraversion significantly accelerates childbearing among both sexes. Moreover, extraversion was found to be positively associated with number of children born during the reproductive career. Openness was found to significantly reduce the odds of transitioning to parenthood and size of completed fertility among women. The present study also provides support for the strong and positive correlation between physical attractiveness and reproductive success even among contemporary populations. Finally, the effect of intelligence on fertility were inconsistent across samples and between genders.