Table 5.

Mean (SD) BMI z Score and Obesity Prevalence in Young Adulthood (Age 21–29 Years) by Tertile of Age at AR and Parental Obesity

At Least One Parent ObeseNeither Parent Obese
Age at AR
Early
 BMIzscore  1.4 (1.8)    0.2 (0.7)
 % Obese (# obese/total) 43 (10/23)   13 (8/60)
Middle
 BMI zscore  0.2 (0.8) −0.2 (0.7)
 % Obese (#obese/total) 27 (6/22)   7 (4/57)
Late
 BMIz score  0.0 (0.7) −0.4 (0.7)
 % Obese (# obese/total)  5 (1/21)   3 (2/60)