Table 2.

Independent association between MVPA and the prevalence of CVD, CHARLS2018

		Odds ratio (95%CI)
	Events/N	Model 1 a	Model 2 b	Model 3 c
Female	2,642/9,735
WHO recommendation d
Inactive	1,300/3,798	Reference	Reference	Reference
Insufficiently active	295/1,104	0.79 (0.68, 0.92)	0.80 (0.69, 0.94)	0.82 (0.70, 0.96)
Physically active	1,047/4,833	0.67 (0.60, 0.74)	0.67 (0.60, 0.74)	0.69 (0.63, 0.77)
Per 0.5 h/day MVPA increase		0.95 (0.94, 0.96)	0.95 (0.94, 0.96)	0.95 (0.94, 0.97)
Male	1,930/8,905
WHO recommendation d
Inactive	995/3,536	Reference	Reference	Reference
Insufficiently active	178/760	0.82 (0.68, 0.99)	0.82 (0.68, 0.99)	0.82 (0.68, 0.99)
Physically active	757/4,609	0.63 (0.57, 0.71)	0.63 (0.56, 0.71)	0.64 (0.57, 0.72)
Per 0.5 h/day MVPA increase		0.95 (0.93, 0.96)	0.94 (0.93, 0.96)	0.95 (0.93, 0.96)

^a Model.1 adjusted for age, education, residence, marital status, and tertile of household expenses per capita. ^b Model. 2: model. 1 further adjusted for smoke, drink, and sleep duration. ^c Model. 3: model. 2 further adjusted for air quality index and the installation of air cleaner. ^d Based on the World Health Organization Physical Activity Guidelines and the International Physical Activity Questionnaire, inactive was considered as not participating MVPA. And we use the same METs as 300 min of moderate physical activity or 150 min of vigorous physical activity as the dividing line between insufficiently active and physically active. CVD, cardiovascular disease; MVPA, moderate-vigorous physical activity; CI, confidence interval; WHO, World Health Organization; METs, metabolic equivalents