TABLE 3—
Relation of Neighborhood Median Housing Value to Risk for Hypertension Among Black Women (n = 36 099), Stratified by Risk Factor: Black Women’s Health Study, 1995–2001
| Median Household Value Quintilea | |||||||||||
| 1 ($0–$71 599) | 2 ($71 612–$100 889) | 3 ($100 893–$137 044) | 4 ($137 052–$189 341) | 5 ($189 357–$624 999) | |||||||
| Risk Factor | Cases of Hypertension | IRR (95% CI) | Cases of Hypertension | IRR (95% CI) | Cases of Hypertension | IRR (95% CI) | Cases of Hypertension | IRR (95% CI) | Cases of Hypertension | IRR (95% CI) | Pb |
| BMI, kg/m2 | |||||||||||
| < 25 | 144 | 1.76 (1.33, 2.34) | 144 | 1.55 (1.18, 2.05) | 139 | 1.25 (0.94, 1.66) | 146 | 1.22 (0.93, 1.61) | 130 | Reference | <.001 |
| 25–29 | 275 | 1.21 (0.99, 1.47) | 294 | 1.23 (1.01, 1.49) | 282 | 1.16 (0.96, 1.40) | 240 | 0.95 (0.78, 1.16) | 236 | Reference | <.01 |
| ≥ 30 | 452 | 1.20 (1.01, 1.44) | 409 | 1.25 (1.05, 1.48) | 377 | 1.27 (1.06, 1.51) | 256 | 0.90 (0.74, 1.10) | 256 | Reference | <.001 |
| Age, y | |||||||||||
| < 35 | 183 | 1.58 (1.19, 2.08) | 208 | 1.78 (1.35, 2.33) | 169 | 1.50 (1.13, 1.99) | 126 | 1.27 (0.95, 1.71) | 96 | Reference | <.001 |
| 35–44 | 381 | 1.32 (1.10, 1.59) | 329 | 1.15 (0.96, 1.39) | 304 | 1.15 (0.96, 1.39) | 233 | 0.92 (0.75, 1.12) | 236 | Reference | <.001 |
| ≥ 45 | 307 | 1.15 (0.95, 1.38) | 310 | 1.26 (1.05, 1.51) | 325 | 1.21 (1.02, 1.45) | 283 | 0.95 (0.79, 1.15) | 290 | Reference | <.05 |
| Education, y | |||||||||||
| ≤ 12 | 239 | 1.37 (1.01, 1.87) | 160 | 1.44 (1.05, 1.97) | 133 | 1.22 (0.88, 1.70) | 118 | 1.15 (0.82, 1.61) | 74 | Reference | <.01 |
| 13–15 | 334 | 1.27 (1.03, 1.56) | 296 | 1.15 (0.93, 1.41) | 292 | 1.23 (1.00, 1.52) | 212 | 0.92 (0.73, 1.15) | 189 | Reference | <.01 |
| ≥ 16 | 298 | 1.26 (1.06, 1.50) | 391 | 1.35 (1.15, 1.58) | 373 | 1.22 (1.04, 1.43) | 312 | 0.98 (0.83, 1.16) | 359 | Reference | <.001 |
| Vigorous physical activity, h/wk | |||||||||||
| None | 472 | 1.21 (0.99, 1.47) | 424 | 1.34 (1.10, 1.63) | 352 | 1.18 (0.96, 1.45) | 319 | 0.99 (0.80, 1.23) | 297 | Reference | <.01 |
| < 5 | 340 | 1.27 (1.08, 1.49) | 367 | 1.22 (1.05, 1.43) | 384 | 1.18 (1.01, 1.38) | 273 | 0.93 (0.78, 1.10) | 279 | Reference | <.001 |
| ≥ 5 | 59 | 1.80 (1.19, 2.72) | 56 | 1.55 (1.02, 2.35) | 62 | 1.82 (1.22, 2.72) | 50 | 1.35 (0.89, 2.03) | 46 | Reference | <.01 |
| Family income | |||||||||||
| < $25 001 | 162 | 1.32 (0.94, 1.86) | 89 | 1.33 (0.92, 1.91) | 64 | 1.39 (0.95, 2.04) | 57 | 1.16 (0.77, 1.74) | 44 | Reference | >.05 |
| $25 001–$50 000 | 296 | 1.57 (1.26, 1.96) | 228 | 1.33 (1.05, 1.67) | 202 | 1.48 (1.17, 1.86) | 123 | 0.99 (0.77, 1.28) | 111 | Reference | <.001 |
| > $50 000 | 252 | 1.15 (0.97, 1.36) | 385 | 1.30 (1.12, 1.51) | 370 | 1.12 (0.96, 1.30) | 334 | 0.97 (0.83, 1.13) | 355 | Reference | <.001 |
Note. IRR = incidence rate ratio; CI = confidence interval.
aAdjusted for the following individual factors: age, BMI, vigorous physical activity, education, family income, number of people in household, smoking status, alcohol consumption, questionnaire cycle, and clustering within census block groups.
bTest for linear trend.