Table 3.

Univariate logistic regression analyses on the influencing factors for SRBD and snoring.

Variables	SRBD		p	Snoring		p
	OR	95%CI		OR	95%CI
Gender
Male	1			1
Female	0.745	0.458–1.210	0.234	0.595	0.353–1.002	0.051
Age (years)	1.225	1.039–1.444	0.016	0.966	0.812–1.149	0.695
Residence
Rural	1			1
Urban	1.984	1.159–3.398	0.013	0.916	0.546–1.536	0.739
Educational level
Junior middle school	1			1
Senior middle school	2.018	1.210–3.363	0.007	1.077	0.644–1.803	0.776
Exercise
Never	1			1
Sometimes	0.421	0.210–0.845	0.015	0.393	0.178–0.867	0.021
Often	0.566	0.331–0.970	0.038	0.709	0.401–1.254	0.237
Highest parental degree
Primary school or low	1			1
Junior high school	0.654	0.246–1.735	0.393	0.510	0.188–1.379	0.184
Senior high school	0.762	0.277–2.093	0.598	1.016	0.379–2.724	0.975
University and above	0.644	0.230–1.804	0.403	0.316	0.101–0.990	0.048
Birth history
Full-term birth	1			1
Preterm birth	1.402	0.587–3.346	0.447	2.251	1.030–4.924	0.042
Post-term birth	3.246	1.410–7.471	0.006	2.100	0.729–6.049	0.169
BMI classification
Under and normal weight	1			1
Overweight	1.090	0.531–2.240	0.813	2.145	1.156–3.980	0.016
Obesity	1.575	0.614–4.040	0.344	0.752	0.179–3.153	0.697
Height	1.019	0.992–1.048	0.172	1.015	0.985–1.045	0.336
Weight	1.024	1.008–1.041	0.003	1.018	1.000–1.036	0.053
Neck circumference (cm)	1.043	0.960–1.133	0.323	1.087	0.999–1.182	0.053
Waist circumference (cm)	1.016	0.992–1.039	0.187	1.027	1.004–1.052	0.023
Abdominal circumference (cm)	1.014	0.991–1.038	0.240	1.011	0.986–1.036	0.403
Hip circumference (cm)	0.995	0.971–1.020	0.682	1.019	0.991–1.048	0.176