Eating Behaviors and Overweight among Adolescents: A Population-Based Survey in Japan

Table 3

Crude and adjusted odds ratios of eating speed or eating until full for being overweight.

Variables	Total; 𝑁	Overweight; 𝑛 (%)	Crude		Adjusted
			OR (95% CI)	𝑃 value	OR (95% CI)	𝑃 value
Among boys
Eating speed
Fast	404	109 (27.0)	2.79 (2.07–3.76)	<0.001	2.65 (1.87–3.75)	<0.001
Medium	915	107 (11.7)	1.00		1.00
Slow	267	15 (5.6)	0.45 (0.26–0.79)	0.005	0.51 (0.27–0.94)	0.031
Eating until full
Yes	877	136 (15.5)	1.19 (0.89–1.57)	0.237	1.15 (0.83–1.60)	0.394
No	709	95 (13.4)	1.00		1.00
Among girls
Eating speed
Fast	193	33 (17.1)	1.55 (1.02–2.37)	0.041	1.73 (1.05–2.85)	0.033
Medium	964	113 (11.7)	1.00		1.00
Slow	385	33 (8.6)	0.71 (0.47–1.06)	0.094	0.74 (0.45–1.20)	0.218
Eating until full
Yes	817	91 (11.1)	0.91 (0.66–1.24)	0.541	0.84 (0.58–1.22)	0.353
No	725	88 (12.1)	1.00		1.00

OR: odds ratio; CI: confidence interval. Adjusted for birth weight, parents' obesity, exercise, and skipping breakfast.