Table 7.

Logistic regression analysis of students’ overweight status.

Independent Variable	B	p	ORs (95%CI)
constant term	0.024	0.853
Grade
3~6	—		—
7~9	−0.122	0.026 *	0.885(0.794~0.986)
10~12	−0.342	<0.001 *	0.710(0.632~0.797)
Gender (Female)	−0.870	<0.001 *	0.419(0.383~0.458)
District (Suburb)	0.299	<0.001 *	1.349(1.223~1.487)
Number of children (≥2)	−0.093	0.051	0.911(0.830~1.000)
Principal caregiver (grandparents)	−0.040	0.822	0.961(0.676~1.364)
Caregiver’s education
≤Junior high school	—		—
High school	0.078	0.277	1.081(0.939~1.244)
Junior college	0.151	0.044 *	1.163(1.004~1.348)
≥College	0.094	0.223	1.098(0.944~1.278)
Caregiver’s weight status
Normal	—		—
Overweight	0.455	<0.001 *	1.576(1.429~1.737)
Obese	0.823	<0.001 *	2.278 (1.973~2.631)
Wasted	−0.292	0.024 *	0.747 (0.579~0.963)
Household income per capita
<20,000	—		—
20,000~39,999	−0.084	0.235	0.919(0.800~1.056)
40,000~69,999	−0.220	0.002 *	0.803(0.699~0.922)
≥70,000	−0.302	<0.001 *	0.739(0.643~0.850)
Family food environments (≥ 60)	0.122	0.026 *	1.130(1.014~1.258)
Food consumption
Whole grains (daily)	−0.167	0.002 *	0.846(0.761~0.941)
Fruits (daily)	0.085	0.109	1.089(0.981~1.208)
Vegetables (daily)	−0.004	0.943	0.996(0.892~1.112)
Vitamin A-rich vegetables (daily)	−0.003	0.960	0.997(0.902~1.103)
Dairy products (daily)	0.010	0.834	1.010(0.919~1.111)
Legumes (daily)	0.179	0.011 *	1.196(1.042~1.372)
Fungi and algae (weekly)	−0.040	0.488	0.960(0.857~1.077)
Fish (weekly)	−0.023	0.667	0.977(0.879~1.086)
Liver (weekly)	0.017	0.733	1.017(0.923~1.121)
Sugared soft drinks (weekly)	0.038	0.479	1.039(0.935~1.154)
Fried food (weekly)	−0.022	0.683	0.979(0.882~1.086)
Fast food (weekly)	−0.099	0.043 *	0.905(0.822~0.997)
Breakfast (daily)	−0.086	0.137	0.918(0.819~1.028)
Snacks (daily)	−0.276	<0.001 *	0.759(0.662~0.869)
Food variety (≥12)	0.092	0.099	1.096(0.983~1.223)

*: p < 0.05; “weekly” indicates food consumption at least once a week.