Table 1 Characteristics of subjects with or without hypertension with regard to gender, cigarette smoking, alcohol consumption, age, BMI and urinary arsenic speciation
Characteristics | Hypertension | p-value | |
|---|---|---|---|
| Â | No | Yes | Â |
n | 436 | 168 | Â |
Gender a | Â | Â | Â |
  Male | 182 (41.7%) | 73 (43.5%) | 0.703 |
  Female | 254 (58.3%) | 95 (56.5%) |  |
Cigarette smoking a | Â | Â | Â |
  Never | 293 (67.2%) | 119 (70.8%) | 0.390 |
  Current or former | 143 (32.8%) | 49 (29.2%) |  |
Alcohol consumption a | Â | Â | Â |
  Never | 336 (77.1%) | 127 (75.6%) | 0.702 |
  Current or former | 100 (22.9%) | 41 (24.4%) |  |
Age b | 46.37 (13.39) | 57.58 (12.05) | <0.001 |
BMI(kg/m 2 ) b | 22.53 (3.19) | 24.65(3.89) | <0.001 |
Urinary arsenic species (μg/g Cr) c |  |  |  |
  iAs | 12.83 (10.96, 15.02) | 17.11 (13.44, 21.79) | 0.050 |
  MMA | 17.35 (15.33, 19.62) | 23.75 (19.33, 29.18) | 0.009 |
  DMA | 94.17 (85.50, 103.70) | 123.95 (105.26, 145.96) | 0.004 |
  tAs | 135.59 (123.03, 149.43) | 178.33 (151.43, 210.01) | 0.004 |
Urinary arsenic percentage (%) c | Â | Â | Â |
  iAs | 9.46 (8.62, 10.39) | 9.60 (8.28, 11.12) | 0.876 |
  MMA | 12.79 (12.06, 13.57) | 13.32 (12.20, 14.55) | 0.468 |
  DMA | 69.45 (67.52, 71.43) | 69.51 (67.10, 72.00) | 0.974 |