Table 2.

Comparison of early growth measurements of studied and not-studied participants during phase 1 adult follow-up

Measurement	New Delhi birth cohort				Vellore birth cohort
	Male		Female		Male		Female
	Studied as adult		Studied as adult		Studied as adult		Studied as adult
	Yes	No	Yes	No	Yes	No	Yes	No
Birth
n	808	2642	569	2497	1159	1712	1058	1741
Weight (kg)	2.89±0.44	2.86±0.46	2.79±0.38	2.78±0.44	2.85±0.53	2.83±0.61	2.78±0.5	2.76±0.54
Length (cm)	48.8±2.2	48.7±2.4	48.3±1.9	48.1±2.2	48.3±3.0	47.8±4.6	47.8±3.0	47.3±4.3
Ponderal index (kg/m3)	24.8±2.6	24.7±2.9	24.7±2.5	24.9±2.9	25.7±7.6	25.6±7.3	25.7±6.6	25.9±7.3
Gestation (week)	39.2±2.2	39.2±2.3	39.6±2.0	39.6±2.2	38.2±2.8	38.1±2.9	38.3±2.8	38.4±2.8
Infancy (3 months)
n	660	2140	503	2105	845	1011	791	1108
Weight (kg)	5.50±0.7	5.46±0.8	4.96±0.7	4.99±0.7	4.28±0.8	4.17±0.9	4.04±0.7	3.91±0.8
Height (cm)	59.6±2.4	59.5±2.7	58.0±2.4	58.1±2.5	55.2±3.1	55.1±3.6	54.3±2.9	54.2±3.2
BMI (kg/m2)	15.4±1.5	15.4±1.6	14.7±1.6	14.7±1.6	14.1±1.9	13.6±2.2	13.6±1.7	13.12±1.92
Childhood (6 years)
n	837	1092	608	1219	1001	601	933	645
Weight (kg)	17.2±2.2	17.3±2.3	16.4±2.0	16.5±2.2	15.8±4.4	15.5±4.4	15.4±4.3	15.4±4.2
Height (cm)	108.4±5.2	108.9±5.5	107.0±5.1	107.2±5.5	102.4±18.7	100.1±26.4	100.6±19.7	100.6±23.5
BMI (kg/m2)	14.6±1.1	14.5±1.1	14.3±1.1	14.3±1.2	15.4±4.4	15.3±4.1	15.6±4.8	15.2±4.11
Adolescence (15 years)
n	616	435	481	592	775	467	727	508
Weight (kg)	44.6±9.2	45.8±9.6	44.6±7.8	44.2±7.5	27.7±5.8	27.5±6.3	28±5.37	28.5±6.1
Height (cm)	159.2±8.7	160.2±8.4	153.2±5.7	153.3±6.2	136.5±9.9	137.1±13.6	135.3±8.0	136.5±9.9
BMI (kg/m2)	17.5±2.5	17.7±2.7	18.9±3.0	18.8±2.7	14.7±1.4	14.6±1.6	15.2±1.9	15.2±1.8
Adulthood
n	886	—	640	—	1159	—	1053
Age (years)	29.2±1.3	—	29.2±1.4	—	27.9±1.1	—	28.3±1.2	—
Weight (kg)	71.8±14.0	—	59.2±13.4	—	57.4±11.4	—	49.3±10.6	—
Height (cm)	169.7±6.4	—	154.9±5.7	—	166.4±6.7	—	153.8±6.0	—
BMI (kg/m2)	24.9±4.3	—	24.6±5.1	—	20.7±3.5	—	20.8±4.1	—

BMI, body mass index.