Effect of the COVID-19 Epidemic on Body Mass Index: Findings from a Large Survey during Wuhan Lockdown

Table 1

Demographic characteristics of study participants. Wuhan, China, 2020.

Variable	Group	Total (%); N = 11,206	Wuhan (%); N = 8,110	Other regions^a(%); N = 3,096	χ ^2
Sex	Male	55.5	54.7	57.8	8.7817	0.003
	Female	44.5	45.3	42.2
Age	18–29 years	31.8	26.4	46.0	667.1500	<0.001
	30–44 years	43.5	43.0	44.8
	45+ years	24.7	30.6	9.3
Marital status	Married	63.7	67.6	53.5	334.1606	<0.001
	Unmarried	32.0	27.2	44.6
	Divorced/widowed	4.3	5.2	2.0
Education attainment	Junior high school or less	9.3	9.4	8.9	91.1694	<0.001
	High school	20.7	22.6	15.6
	Junior college	23.8	23.2	25.3
	Undergraduate college	36.3	35.8	37.5
	Graduate school or higher	10.0	9.0	12.7
Hometown location	Urban region	73.7	74.1	72.6	39.1995	<0.001
	Suburban region	19.3	19.8	18.0
	Rural region	7.0	6.1	9.4
Household income per capita in 2019	0–9,999 RMB	18.9	20.1	15.8	28.1900	<0.001
	10,000–49,999 RMB	47.7	46.9	50.1
	50,000–99,000 RMB	19.5	19.5	19.5
	100,000+ RMB	13.8	13.5	14.6

^a “other regions” include all regions outside of Wuhan City.