Table 4.

Multi-nominal logistic regression analysis^*

	Age and sex adjusted				Age, sex, and BMI adjusted
	overweight		obese		overweight		obese
	OR (95% CI)	p value	OR (95% CI)	p value	OR (95% CI)	p value	OR (95% CI)	p value
Study after school
<1 h	1 (reference)		1 (reference)		1 (reference)		1 (reference)
1˜3 h	1.56 (0.46–5.24)	0.477	2.87 (0.624–13.22)	0.176	1.59 (0.44–5.72)	0.482	3.71 (0.64–21.62)	0.145
≥3 h	4.14 (0.86–19.90)	0.076	6.39 (1.08–137.72)	0.041	5.10 (0.99–26.40)	0.052	13.30 (1.76–100.27)	0.012
Fast or fatty food
<1	1 (reference)		1 (reference)		1 (reference)		1 (reference)
≥1	2.86 (1.00–8.15)	0.049	3.76 (1.13–12.56)	0.031	2.73 (0.92–8.14)	0.071	3.32 (0.90–12.28)	0.072
Breakfast
≤2	1 (reference)		1 (reference)		1 (reference)		1 (reference)
3˜5	0.49 (0.08–3.04)	0.443	2.06 (0.27–15.60)	0.486	0.66 (0.10–4.40)	0.663	2.56 (0.26–25.09)	0.419
≥6	2.25 (0.59–8.65)	0.236	3.97 (0.66–23.76)	0.131	2.33 (0.56–9.67)	0.244	3.90 (0.55–27.74)	0.174
Habitual eating without hunger
No	1 (reference)		1 (reference)		1 (reference)		1 (reference)
Yes	5.49 (0.59–51.52)	0.136	8.59 (0.93–78.93)	0.057	5.52 (0.58–52.95	0.139	13.76 (1.28–147.14)	0.030

^*Study after school is expressed as mean time spent per day. Food and breakfast frequency are expressed as number of times per week.