| Exposed | Unexposed | ||||
---|---|---|---|---|---|---|
N (total) | % | Mean (SD) | N (total) | % | Mean (SD)* | |
145 | Â | Â | 97 | Â | Â | |
Blood pressure (BP) mm Hg | ||||||
 Systolic BP |  |  | 120.4 (12.1) |  |  | 120.1 (12.9) |
   < 120 |  | 50.3 |  |  | 44.3 |  |
  120–139 |  | 42.1 |  |  | 49.5 |  |
   ≥ 140 |  | 7.6 |  |  | 6.2 |  |
 Diastolic BP |  |  | 73.5 (10.3) |  |  | 75.1 (9.2) |
   < 80 |  | 73.1 |  |  | 68.0 |  |
  80–89 |  | 19.3 |  |  | 23.7 |  |
   ≥ 90 |  | 7.6 |  |  | 8.3 |  |
 Mean BP |  |  | 89.1 (9.6) |  |  | 90.0 (9.3) |
 Pulse pressure |  |  | 46.9 (10.9) |  |  | 44.9 (10.6) |
High blood pressure | Â | 7.6 | Â | Â | 4.1 | Â |
Serum creatinine (mg/dL) | Â | Â | 0.91 (0.2) | Â | Â | 0.95 (0.2) |