Table 3.

Associated factors with scoliosis by multivariate logistic regression analysis.

	OR	95% CI	P
Age	0.912	0.758–1.107	0.125
Gender
Male	Ref
Female	2.217	1.746–2.814	<0.001
BMI
≥18.5	Ref
<18.5	1.767	1.441–2.430	0.005
Altitudes of residence
<4,500 m	Ref
≥4,500 m	1.808	1.325–2.483	0.002
Annual household income
≥3,000	Ref
2,000–3,000	2.257	0.729–12.824	0.264
<2,000	4.382	1.747–20.360	0.101
Location of residence
Urban	Ref
Rural	1.109	0.106–3.384	0.083
Appetite
Good	Ref
General	2.326	0.328–6.002	0.497
Bad	3.815	1.189–7.610	0.084
Myopia
No	Ref
Unclear	1.545	0.361–2.833	0.682
Yes	0.734	0.231–1.569	0.245
Sleep time
≥8 h	Ref
<8 h	2.264	1.723–2.846	0.001
Cognition of scoliosis
Known	Ref
Have heard	2.330	1.069–6.754	0.368
Never known	2.896	1.164–7.045	0.143