Table 3.

Odds ratios (ORs) with 95% confidence intervals (CIs) of socio-economic factors related to overweight and obesity in women (n = 4870)

	General obesity status				Abdominal obesity status
	Overweight		Obesity		Overweight		Obesity
	Model 1a	Model 2b	Model 1a	Model 2b	Model 1a	Model 2b	Model 1a	Model 2b
Education level
≤ Primary school	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
≤ High school	0.96 (0.81–1.13)	0.98 (0.82–1.16)	0.81 (0.65–1.00)*	0.81 (0.65–1.00)	1.03 (0.86–1.23)	1.05 (0.87–1.25)	0.91 (0.75–1.11)	0.94 (0.77–1.15)
> High school	0.76 (0.63–0.92)**	0.78 (0.64–0.95)*	0.52 (0.40–0.66)**	0.54 (0.41–0.70)**	0.86 (0.70–1.06)	0.88 (0.72–1.07)	0.60 (0.48–0.75)**	0.62 (0.49–0.79)**
p trend	0.003	0.010	< 0.001	< 0.001	0.090	0.150	< 0.001	< 0.001
Per capita household income (CNY) (%)
< 8000	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
≥ 8000 to < 17,000	0.98 (0.82–1.18)	0.99 (0.83–1.19)	1.01 (0.80–1.28)	1.01 (0.80–1.29)	1.14 (0.95–1.37)	1.15 (0.95–1.39)	0.96 (0.77–1.19)	0.96 (0.77–1.20)
≥ 17,000 to < 30,800	1.02 (0.85–1.23)	1.03 (0.85–1.24)	1.01 (0.80–1.28)	1.01 (0.79–1.29)	1.16 (0.96–1.41)	1.17 (0.97–1.42)	1.14 (0.92–1.42)	1.14 (0.92–1.43)
≥ 30,800	0.88 (0.73–1.06)	0.91 (0.75–1.10)	0.69 (0.54–0.90)**	0.72 (0.55–0.93)*	1.08 (0.89–1.31)	1.11 (0.91–1.35)	0.84 (0.67–1.05)	0.87 (0.69–1.10)
p trend	0.257	0.411	0.012	0.025	0.421	0.290	0.365	0.552
Occupation (%)
No	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Yes	1.05 (0.91–1.20)	1.04 (0.91–1.20)	0.79 (0.66–0.95)*	0.80 (0.67–0.97)*	0.92 (0.80–1.06)	0.92 (0.80–1.06)	0.81 (0.69–0.96)*	0.82 (0.69–0.97)*
p trend	0.518	0.567	0.011	0.021	0.248	0.230	0.012	0.018

*p < 0.05, **p < 0.01

^aWith adjustments for age and residence

^bWith adjustments for age, residence, marital status, smoking status, alcohol intake, LPA, history of hypertension, and history of type 2 diabetes