Association between Physical Exercise and Biomarkers of Oxidative Stress among Middle-Aged and Elderly Community Residents with Essential Hypertension in China

Table 1

Demographics of the study participants.

Variables	Individuals with hypertension ()	Individuals without CVD ()		-value
Age, years			9.39	0.001
Men, n (%)	192 (47.8)	418 (39.9)	7.32	0.007
Years of Education			2.04	0.361
<9 years	137(34.1%)	326(31.1%)
9-12 years	233(58.0%)	649(62.0%)
>12 years	32(8.0%)	72(6.9%)
Marital status			8.71	0.033
Married	325(80.8%)	899(85.9%)
Widower	62(15.4%)	104(9.9%)
Divorced	15(3.7%)	44(4.2%)
Income (RMB/month)			4.69	0.196
<2000	80(19.9%)	161(15.4%)
2000-3000	128(31.8%)	357(34.1%)
3000-4000	141(35.1%)	372(35.5%)
>4000	53(13.2%)	157(15.0%)
Smoking status, n (%)			13.32	0.001
No	195(48.5%)	873(83.4%)
Yes	207(51.5%)	174(16.6%)
Alcohol consumption, n (%)			1.47	0.225
No	139(34.6%)	398(38.0%)
Yes	263(65.4%)	649(62.0%)
Fruit consumption, n (%)			11.86	0.001
No	139(34.6%)	267(25.5%)
Yes	263(65.4%)	780(74.5%)

Data are presented as mean ± SD.