Body Size at Birth and in Child-and Adulthood and Odds for Retaining Top Scores in Cognitive Ability Over Five Decadea.

Abbreviations: CI, confidence interval; OR, odds ratio.aLogistic regression analyses were conducted as presented in Figure 1, panel A.bAdjustments were made for length of gestation (birth measures), father's occupational status in childhood, parity, mother's age and height at delivery, history of breastfeeding, age at testing cognitive ability at 20.1 years, and time interval between tests of cognitive ability from 20.1 to 67.9 years.cA further model adjusted for ‘b’ plus highest own achieved level of education. The marked associations were rendered non-significant. The marked associations were rendered non-significant. Unmarked associations remained as in the adjusted model ‘b’.dA further model adjusted for ‘b’ plus diagnoses of stroke and coronary heart disease. The marked associations were rendered non-significant. Unmarked associations remained as in the adjusted model ‘b’.eMeasurements of head circumference at two, seven, 11 and 20.1 years were not available.