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

Table 2

Characteristics of the nonoverweight and the overweight girls among study participants.

Variables	Nonoverweight; (𝑛=1363)	Overweight; (𝑛=179)	𝑃 value^a
Age (years)	12.0 (12.36)	12.0 (12.37)	0.757
Birthweight (g)
<2500	7.3	1.7	<0.001
2500–2999	35.7	29.3
3000–3499	44.0	47.1
3500–3999	11.9	16.1
4000+	1.1	5.8
Only child (%)	8.2	11.2	0.175
Parent's obesity (%)
None	67.4	41.8	<0.001
Father only	21.9	25.5
Mother only	8.2	23.4
Father and mother	2.5	9.2
Exercise (%)
None	26.4	38.5	<0.001
Sometimes	13.5	20.7
Daily	60.1	40.8
Sleeping hours (%)
9.0+	15.5	12.5	0.610
8.0–8.9	50.7	50.7
7.0–7.9	29.5	33.6
<7.0	4.2	3.3
Skipping breakfast (%)	7.2	11.8	0.033
Snack after dinner (%)
Seldom or none	43.0	41.5	0.700
Always or often	57.0	58.5
Eating speed (%)
Fast	11.7	18.4	0.010
Medium	62.4	63.1
Slow	25.3	18.4
Eating until full (%)	53.3	50.8	0.541

Except where indicated percentage (%), values are median (mean).
aChi-square test or Wilcoxon rank-sum test.