From: Road traffic noise frequency and prevalent hypertension in Taichung, Taiwan: A cross-sectional study
Characteristics | Case groupa | Control group | Total subjects | P-value |
---|---|---|---|---|
(n = 46) | (n = 774) | (n = 820) | ||
Age (years) | ||||
Mean ± SD | 49.3 ± 11.6 | 35.2 ± 12.5 | 36.0 ± 12.8 | <0.001b |
Body mass index (kg/m2) | ||||
Mean ± SD | 25.5 ± 4.3 | 22.3 ± 3.5 | 22.5 ± 3.6 | <0.001b |
Gender | ||||
Male (%) | 25 (54.4) | 296 (38.2) | 321 (39.2) | 0.030c |
Current smoker | ||||
Yes (%) | 12 (26.1) | 175 (22.6) | 187 (22.8) | 0.585c |
Alcohol drinking | ||||
Yes (%) | 9 (19.6) | 83 (10.7) | 92 (11.2) | 0.065c |
Tea consumption | ||||
Yes (%) | 30 (65.2) | 508 (65.6) | 538 (65.6) | 0.954c |
Coffee consumption | ||||
Yes (%) | 16 (34.8) | 294 (38.0) | 310 (37.8) | 0.664c |
Salt intake | ||||
High (%) | 16 (34.8) | 194 (25.1) | 210 (25.6) | 0.142c |
Regular exercise | ||||
Yes (%) | 25 (54.4) | 383 (49.5) | 408 (49.8) | 0.522c |
Family history of hypertension | ||||
Yes (%) | 36 (78.3) | 240 (31.0) | 276 (33.7) | <0.001c |