| SBP < 140 (N=1564) |
SBP >= 140 mmHg (N=869) |
Overall (N=2433) |
|
|---|---|---|---|
| Recruitment Date | |||
| Mean (SD) | 149000 (100) | 149000 (100) | 149000 (101) |
| Median [Min, Max] | 149000 [149000, 149000] | 149000 [149000, 149000] | 149000 [149000, 149000] |
| Season at Baseline | |||
| Summer | 430 (27.5%) | 191 (22.0%) | 621 (25.5%) |
| Fall | 419 (26.8%) | 227 (26.1%) | 646 (26.6%) |
| Winter | 388 (24.8%) | 225 (25.9%) | 613 (25.2%) |
| Spring | 327 (20.9%) | 226 (26.0%) | 553 (22.7%) |
| Age at baseline (years) | |||
| Mean (SD) | 71.2 (4.75) | 72.9 (5.49) | 71.9 (5.09) |
| Median [Min, Max] | 70.0 [65.0, 95.0] | 72.0 [65.0, 92.0] | 71.0 [65.0, 95.0] |
| Years of education | |||
| Mean (SD) | 14.4 (4.63) | 14.1 (4.57) | 14.3 (4.61) |
| Median [Min, Max] | 12.0 [0, 21.0] | 12.0 [1.00, 21.0] | 12.0 [0, 21.0] |
| Missing | 5 (0.3%) | 1 (0.1%) | 6 (0.2%) |
| Household income (1k dollars) | |||
| <= 5 | 34 (2.2%) | 34 (3.9%) | 68 (2.8%) |
| 5-8 | 91 (5.8%) | 55 (6.3%) | 146 (6.0%) |
| 8-12 | 137 (8.8%) | 79 (9.1%) | 216 (8.9%) |
| 12-16 | 200 (12.8%) | 127 (14.6%) | 327 (13.4%) |
| 16-24 | 292 (18.7%) | 184 (21.2%) | 476 (19.6%) |
| 24-35 | 283 (18.1%) | 132 (15.2%) | 415 (17.1%) |
| 35-50 | 169 (10.8%) | 89 (10.2%) | 258 (10.6%) |
| >=50 | 260 (16.6%) | 111 (12.8%) | 371 (15.2%) |
| Missing | 98 (6.3%) | 58 (6.7%) | 156 (6.4%) |
| Systolic Blood Pressure at Baseline (mmHg) | |||
| Mean (SD) | 122 (11.6) | 157 (14.1) | 135 (21.0) |
| Median [Min, Max] | 124 [79.0, 140] | 154 [141, 227] | 133 [79.0, 227] |
| Weight at baseline (lbs) | |||
| Mean (SD) | 157 (30.8) | 159 (31.5) | 157 (31.1) |
| Median [Min, Max] | 155 [80.0, 323] | 156 [73.5, 293] | 156 [73.5, 323] |
| Missing | 5 (0.3%) | 1 (0.1%) | 6 (0.2%) |
| Recalled weight at 50 years old (lbs) | |||
| Mean (SD) | 151 (28.3) | 151 (28.5) | 151 (28.4) |
| Median [Min, Max] | 150 [89.0, 282] | 148 [80.0, 290] | 149 [80.0, 290] |
| Missing | 55 (3.5%) | 33 (3.8%) | 88 (3.6%) |
| Pack years of Smoking History | |||
| Mean (SD) | 17.0 (25.5) | 16.1 (25.9) | 16.7 (25.7) |
| Median [Min, Max] | 1.50 [0, 204] | 0 [0, 192] | 0.650 [0, 204] |
| Missing | 43 (2.7%) | 24 (2.8%) | 67 (2.8%) |
| Arthritis at baseline | |||
| none (at baseline) | 842 (53.8%) | 425 (48.9%) | 1267 (52.1%) |
| arthritis | 701 (44.8%) | 432 (49.7%) | 1133 (46.6%) |
| Missing | 21 (1.3%) | 12 (1.4%) | 33 (1.4%) |
| Diabetes at baseline | |||
| none | 1231 (78.7%) | 604 (69.5%) | 1835 (75.4%) |
| boarderline | 188 (12.0%) | 129 (14.8%) | 317 (13.0%) |
| diabetes | 135 (8.6%) | 130 (15.0%) | 265 (10.9%) |
| Missing | 10 (0.6%) | 6 (0.7%) | 16 (0.7%) |
| Exercise Intensity | |||
| No exercise | 74 (4.7%) | 59 (6.8%) | 133 (5.5%) |
| low intensity | 724 (46.3%) | 425 (48.9%) | 1149 (47.2%) |
| moderate intensity | 575 (36.8%) | 290 (33.4%) | 865 (35.6%) |
| high intensity | 190 (12.1%) | 94 (10.8%) | 284 (11.7%) |
| Missing | 1 (0.1%) | 1 (0.1%) | 2 (0.1%) |
| Blocks walked in past 2 weeks | |||
| Mean (SD) | 47.7 (59.1) | 42.4 (55.6) | 45.8 (57.9) |
| Median [Min, Max] | 24.0 [0, 300] | 24.0 [0, 300] | 24.0 [0, 300] |
| Missing | 18 (1.2%) | 6 (0.7%) | 24 (1.0%) |
| Kcal expended in exercise activity in past 2 weeks | |||
| Mean (SD) | 1370 (1690) | 1290 (1720) | 1340 (1700) |
| Median [Min, Max] | 810 [0, 14200] | 624 [0, 13900] | 735 [0, 14200] |
| Missing | 3 (0.2%) | 1 (0.1%) | 4 (0.2%) |