Table 2.

Comparison of the case and control groups for physical development variables

Measure	NCDS variable	Cases	Controls	Effect size
Birthweight (oz)	n574	114.81 (6.93)	116.81 (16.91)	−0.12*
Weight, age 7 (kg)	dvwt07	23.12 (3.46)	23.55 (3.68)	−0.12
Weight, age 11 (kg)	dvwt11	36.73 (7.69)	37.54 (7.52)	−0.11
Weight, age 16 (kg)	dvwt16	54.52 (8.83)	54.19 (8.29)	0.04
Weight, age 23 (kg)	dvwt23	58.16 (10.03)	58.37 (8.96)	−0.02
Height, age 7 (m)	dvht07	1.208 (0.057)	1.220 (0.060)	−0.21*
Height, age 11 (m)	dvht11	1.436 (0.071)	1.447 (0.073)	−0.15*
Height, age 16 (m)	dvht16	1.600 (0.061)	1.607 (0.064)	−0.11
Height, age 23 (m)	dvht23	1.605 (0.065)	1.621 (0.069)	−0.25*
Breast development, age 11	n1531	1.98 (0.93)	2.04 (0.95)	−0.06
Pubic hair, age 11	n1532	1.86 (0.93)	1.86 (0.89)	0
Breast development, age 16	From n2005	Adult 258/non-adult 111	Adult 268/non-adult 155	OR 1.34*
Pubic hair, age 16	From n2006	Adult 222/non-adult 133	Adult 244/non-adult 172	OR 1.18
Age at menarche	From n2648	12.57 (1.33)	12.86 (1.25)	−0.23*

Given are descriptive statistics for each group (means and standard deviations or frequencies, as appropriate), and effect size of the case–control comparison (Cohen’s d or OR, as appropriate). *P < 0.05.