Résumé :
|
[BDSP. Notice produite par INIST 05MAR0xZ. Diffusion soumise à autorisation]. Background This study aims to investigate the relationship between birthweight and psychological function, as evaluated by the results of a psychological conscript interview and assessment in young males, including an evaluation of stress susceptibility. Methods We performed a retrospective cohort study based on linked birth registry data and data from an assessment of psychological function during evaluation for military service. In all, 90 651 young males born 1973-1975, for whom birth record data were obtained from the Swedish Medical Birth Register, were investigated in addition to psychological stress susceptibility during their conscript evaluation in 1991-1994. The assessment of psychological functioning score, including the assessment of stress susceptibility, was used as the dependent variable in a multiple regression analysis in combination with the following independent variables : birthweight, adult weight, head circumference at birth, month of birth, gestational age, maternal parity, and maternal age. Results The mean value was 5.1 (SD 1.9) on the psychological assessment scale (range 1-9) of psychological level of functioning including evaluation of stress susceptibility, and 5.3 (1.6) on the general psychological performance (leadership) profile. A positive association was seen between birthweight and better assessment results up to a level of about 4000 g birthweight, but above that an inverse association was seen. Positive correlations (P
|