Table 2.

Baseline body size and prevalence of type 2 diabetes and hypertension according to birth weight, the Shanghai Women's Health Study and Shanghai Men's Health Study

	Birth weight (g)				P trend
	<2500	2500–3499	3500–3999	≥4000
Men (SMHS)
BMI at baseline (kg/m2)	23.20 (22.95, 23.45)	23.42 (23.33, 23.50)	24.08 (23.97, 24.20)	24.41 (24.28, 24.54)	<0.0001
WC at baseline (cm)	83.4 (82.7, 84.0)	84.2 (83.9, 84.4)	86.1 (85.7, 86.4)	87.1 (86.8, 87.5)	<0.0001
WHR at baseline	0.894 (0.889, 0.898)	0.895 (0.893, 0.896)	0.900 (0.898, 0.902)	0.905 (0.902, 0.907)	<0.0001
WHtR at baseline	0.494 (0.490, 0.498)	0.493 (0.492, 0.495)	0.500 (0.498, 0.502)	0.504 (0.502, 0.506)	<0.0001
Prevalence of T2DM	5.2 [3.4]	4.4 [3.0]	3.8 [2.6]	4.3 [2.9]	0.39
Prevalence of hypertension	25.4 [10.6]	22.1 [9.9]	21.9 [9.9]	24.1 [10.4]	0.05
Women (SWHS)
BMI at baseline (kg/m2)	23.14 (22.93, 23.35)	23.35 (23.29, 23.42)	24.36 (24.21, 24.51)	24.36 (24.21, 24.52)	<0.0001
WC at baseline (cm)	75.40 (74.88, 75.91)	76.23 (76.06, 76.39)	78.50 (78.11, 78.88)	78.01 (77.62, 78.40)	<0.0001
WHR at baseline	0.804 (0.801, 0.808)	0.806 (0.805, 0.807)	0.809 (0.807, 0.811)	0.806 (0.803, 0.808)	0.19
WHtR at baseline	0.480 (0.477, 0.483)	0.481 (0.480, 0.482)	0.490 (0.488, 0.493)	0.487 (0.484, 0.489)	<0.0001
Prevalence of T2DM	4.0 [3.6]	2.5 [2.3]	1.9 [1.8]	3.2 [2.9]	0.0087
Prevalence of hypertension	22.0 [12.0]	18.2 [10.8]	18.6 [11.0]	17.3 [10.5]	0.02

Data for body measurements presented as the mean with 95% confidence limits in parentheses presented, whereas data regarding the prevalence of diseases presented as percentage [SD]. All data were adjusted for age as a continuous variable.

BMI, body mass index; SMHS, Shanghai Men's Health Study; SWHS, Shanghai Women's Health Study; T2DM, type 2 diabetes mellitus; WC, waist circumference; WHR, waist:  hip ratio; WHtR, waist:  height ratio.