Table 5.

Multivariate logistic regression analysis of suspected factors related to suspected scoliosis in the unadjusted complete model and adjusted final model.

Variable		Unadjusted full model				Adjusted final model
		p value	OR	95%CI		p value	OR	95%CI
				Lower	Upper			Lower	Upper
	Age	<0.001	1.085	1.058	1.113	<0.001	1.054	1.027	1.082
Gender	Boys (Reference)
	Girls	<0.001	1.395	1.241	1.568	<0.001	1.395	1.241	1.567
	BMI	<0.001	0.958	0.935	0.982	<0.001	0.950	0.927	0.974
	Altitude	<0.001	1.004	1.004	1.005
	Longitude	<0.001	3.347	2.675	4.187
	Latitude	<0.001	1.859	1.400	2.470	<0.001	0.611	0.531	0.703
	Temperature	<0.001	1.841	1.688	2.008
Ethnicity	Zang (Reference)
	Han	<0.001	1.599	1.383	1.849	0.105	1.111	0.978	1.262
	Hui	0.010	1.340	1.072	1.675	0.129	0.953	0.959	1.467
	Others	0.379	0.641	0.238	1.726	0.196	0.521	0.194	1.399

OR, odds ratio; 95% CI, confidence interval for OR.