Accuracy of self-reported height, weight, and waist circumference in a general adult Chinese population

Table 3 The difference between self-reported and measured (SR-DM) height, weight, BMI, and WC by lifestyle factors in Jiangsu, China

		Height (cm)			Weight (kg)			BMI (kg/m²)			WC (cm)
		n	Mean	95 % CI	n	Mean	95 % CI	n	Mean	95 % CI	n	Mean	95 % CI
Current daily smoking	No	3870	1.2	1.1,1.3	4557	−0.1	−0.3,0.0	3709	−0.5	−0.5,−0.4	2613	−1.7	−1.9,−1.5
Current daily smoking	Yes	1167	1.0	0.8,1.1	1310	0.1	−0.1,0.3	1120	−0.2	−0.3,−0.1	656	−0.7	−1.1,−0.2
	P value	0.026			0.061			< 0.001			< 0.001
Drinking alcohol within 30 days	No	3656	1.2	1.1,1.3	4294	−0.1	−0.2,0.1	3502	−0.4	−0.5,−0.3	2471	−1.6	−1.8,−1.4
Drinking alcohol within 30 days	Yes	1381	1.1	0.9,1.2	1573	−0.1	−0.3,0.1	1327	−0.4	−0.5,−0.3	798	−1.1	−1.5,−0.7
	P value	0.347			0.833			0.945			0.01
Meat intake	<100 g/d	4248	1.2	1.1,1.2	4997	0.0	−0.1,0.1	4072	−0.4	−0.4,−0.3	2800	−1.5	−1.7,−1.3
Meat intake	≥100 g/d	715	1.0	0.7,1.2	779	−0.4	−0.6,−0.1	687	−0.5	−0.6,−0.3	419	−1.0	−1.5,−0.5
	P value	0.188			0.033			0.228			0.048
Fruits/vegetables intake	≥400 g/d	2774	1.3	1.2,1.4	3050	−0.1	−0.2,0.1	2663	−0.4	−0.5,−0.4	1810	−1.3	−1.6,−1.1
Fruits/vegetables intake	<400 g/d	2235	0.9	0.8,1.1	2786	−0.1	−0.2,0.1	2138	−0.4	−0.4,−0.3	1442	−1.7	−2.0,−1.5
	P value	< 0.001			0.991			0.114			0.026
Physical activity level	Insufficient	1008	0.9	0.6,1.1	1110	−0.1	−0.4,0.2	967	−0.4	−0.5,−0.3	625	−1.3	−1.7,−0.9
	Moderate	1392	1.0	0.9,1.2	1548	−0.2	−0.4,0.0	1344	−0.4	−0.5,−0.3	883	−1.4	−1.7,−1.1
	Sufficient	2637	1.3	1.2,1.4	3209	0.0	−0.1,0.2	2518	−0.4	−0.5,−0.3	1761	−1.6	−1.9,−1.4
	P value	< 0.001			0.18			0.742			0.393

Abbreviations: BMI body mass index, WC waist circumference, CI confidence interval, SR self-reported, DM directly measured

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