Physical Activity, Obesity, and Hypertension among Adults in a Rapidly Urbanised City

Table 3

Multivariable analysis of the effects of physical activity on overweight/obesity and hypertension.

Variables	Overweight/obesity (model 1)		Hypertension (model 2)
	OR	95% CI	OR	95% CI
Gender (ref = “male”)	0.928	0.656–1.311	0.525	0.360–0.764
Age (years) (ref = “18–29”)
30–44	1.173	0.807–1.704	1.266	0.819–1.958
45–59	0.842	0.563–1.259	1.771	1.133–2.769
≥60	0.788	0.404–1.536	1.987	1.001–3.947
Educational level (ref = “primary school or below”)
Junior high school	1.163	0.771–1.754	0.812	0.535–1.232
High school and secondary school	1.144	0.707–1.851	0.587	0.353–0.977
College degree and above	0.982	0.539–1.788	0.355	0.176–0.718
Occupational status (ref = “first category”)
Second category	1.056	0.716–1.557	1.513	1.016–2.253
Third category	1.223	0.875–1.708	1.026	0.710–1.483
Marital status (ref = “married”)	1.150	0.751–1.761	1.315	0.839–2.060
Medical insurance (ref = “no”)
Others	0.632	0.363–1.100	1.867	1.060–3.287
Medical insurance for urban residents/new rural cooperative medical insurance	0.918	0.623–1.353	1.043	0.680–1.600
Medical insurance for urban employees	0.642	0.410–1.003	1.245	0.768–2.020
Smoking (ref = “yes”)	1.072	0.714–1.609	0.975	0.640–1.485
Drinking (ref = “yes”)	1.335	0.875–2.037	0.902	0.584–1.394
Family history of hypertension (ref = “no”)	0.736	0.515–1.051	2.076	1.456–2.961
Physical activity level (ref = “low level”)
Moderate level	0.564	0.352–0.905	0.697	0.425–1.144
High level	0.583	0.375–0.907	0.556	0.348–0.888