Table 3.

Logistic regression analysis of SSBs consumption, duration of physical exercise, and depressive symptoms of Tibetan university students in high altitude area.

Sex	Classification		Crude model		Model 1		Model 2
			OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value
Boys	SSBs	≤1 times/week	1.00		1.00		1.00
		2–4 times/week	1.39 (1.14 ~ 1.69)	0.001	1.34 (1.10 ~ 1.63)	0.004	1.17 (0.93 ~ 1.49)	0.183
		≥5 times/week	2.23 (1.85 ~ 2.69)	<0.001	2.22 (1.84 ~ 2.69)	<0.001	1.57 (1.26 ~ 1.96)	<0.001
	Duration of physical exercise	>60 min/d	1.00		1.00		1.00
		30–60 min/d	1.61 (1.18 ~ 2.20)	0.003	1.72 (1.26 ~ 2.37)	0.001	1.62 (1.12 ~ 2.35)	0.01
		<30 min/d	2.00 (1.50 ~ 2.66)	<0.001	2.06 (1.54 ~ 2.75)	<0.001	1.91 (1.36 ~ 2.68)	<0.001
Girls	SSBs	≤1 times/week	1.00		1.00		1.00
		2–4 times/week	1.46 (1.25 ~ 1.71)	<0.001	1.45 (1.24 ~ 1.70)	<0.001	1.42 (1.19 ~ 1.69)	<0.001
		≥5 times/week	2.97 (2.45 ~ 3.60)	<0.001	2.99 (2.46 ~ 3.63)	<0.001	2.59 (2.09 ~ 3.22)	<0.001
	Duration of physical exercise	>60 min/d	1.00		1.00		1.00
		30–60 min/d	2.55 (1.66 ~ 3.91)	<0.001	2.46 (1.60 ~ 3.79)	<0.001	1.29 (0.79 ~ 2.09)	0.306
		<30 min/d	4.80 (3.25 ~ 7.10)	<0.001	4.56 (3.08 ~ 6.77)	<0.001	2.26 (1.45 ~ 3.53)	<0.001
Total	SSBs	≤1 times/week	1.00		1.00		1.00
		2–4 times/week	1.44 (1.27 ~ 1.62)	<0.001	1.41 (1.24 ~ 1.60)	<0.001	1.32 (1.15 ~ 1.52)	<0.001
		≥5 times/week	2.54 (2.22 ~ 2.90)	<0.001	2.55 (2.23 ~ 2.92)	<0.001	2.06 (1.76 ~ 2.40)	<0.001
	Duration of physical exercise	>60 min/d	1.00		1.00		1.00
		30–60 min/d	1.90 (1.48 ~ 2.44)	<0.001	1.94 (1.51 ~ 2.50)	<0.001	1.40 (1.05 ~ 1.87)	0.022
		<30 min/d	2.87 (2.29 ~ 3.6)	<0.001	2.83 (2.25 ~ 3.55)	<0.001	1.91 (1.47 ~ 2.48)	<0.001

The crude model was not adjusted for any covariates, Model 1 was adjusted for age, an only child, and SES, and Model 2 was further adjusted for sleep quality, screen time, and BMI based on Model 1. SSBs, Sugar-sweetened beverages.