Table 1.
Comparison of socio-demographic and major risk factors between 1153 hypertensive subjects and 4432 normotensive subjects in Guangdong, China.
| Variables | Hypertensive (N (%)) | Normotensive (N (%)) | p-Value * |
|---|---|---|---|
| Age (years, mean (SD)) | 61.03 (13.87) | 46.45 (15.27) | 0.01 |
| Sex | |||
| Male | 817 (70.86) | 2838 (64.04) | |
| Female | 336 (29.14) | 1594 (35.97) | 0.01 |
| BMI (kg/m2) | 23.59 (3.44) | 22.36 (2.84) | 0.01 |
| Monthly household income (RMB) | 4670 (7814) | 4947 (5771) | 0.31 |
| Ambient temperature (°C) | 22.40 (5.37) | 22.48 (5.01) | 0.63 |
| Education | |||
| Low | 732 (63.49) | 1717 (38.74) | |
| High | 421 (36.51) | 2715 (61.26) | 0.01 |
| Smoking status | |||
| Nonsmoker | 856 (74.24) | 3279 (73.98) | |
| Smoker | 297 (25.76) | 1153 (26.02) | 0.89 |
| ETS exposure # | |||
| Never | 455 (39.46) | 1584 (35.74) | |
| Ever | 698 (60.54) | 2848 (64.26) | 0.02 |
| Drinking status | |||
| Nondrinking | 852 (73.89) | 3140 (70.85) | |
| Drinking | 301 (26.11) | 1292 (29.15) | 0.05 |
| Physical exercise | |||
| No | 879 (76.24) | 2847 (64.25) | |
| Yes | 274 (23.76) | 1584 (35.75) | 0.01 |
| Indoor fuel type | |||
| Clean | 879 (76.24) | 3601 (81.25) | |
| Unclean | 274 (23.76) | 831 (18.75) | 0.01 |
| Ventilation | |||
| No | 197 (17.09) | 619 (13.97) | |
| Yes | 956 (82.91) | 3813 (86.03) | 0.01 |
| Salt restriction | |||
| No | 1070 (92.80) | 4133 (93.25) | |
| Yes | 82 (7.20) | 299 (6.75) | 0.70 |
# ETS: environmental tobacco smoke; * χ2 tests for categorical variables and t-tests for continuous variables.