Table 2.
Demographic Characteristics of Women Veterans Contacted During the Email Phase
| Characteristicsa | Veterans with Email deliveredb | Not enrolledc | Enrolledc | OR (95% CI)d | p d |
|---|---|---|---|---|---|
| n | 478,979 | 476,881 | 2098 | ||
| % | 99.56 | 0.44 | |||
| Age at enrollment, mean±SD | 48.1±13.1 | 48.1±13.1 | 55.5±10.7 | <0.0001 | |
| Age category, n (%) | |||||
| 18–39 years | 150,176 (31.5) | 149,917 (99.8) | 259 (0.2) | 1.0 | Ref |
| 40–49 years | 110,825 (23.3) | 110,551 (99.7) | 274 (0.3) | 1.46 (1.23–1.73) | <0.0001 |
| 50–59 years | 101,488 (21.3) | 101,178 (99.7) | 310 (0.3) | 2.23 (1.88–2.64) | <0.0001 |
| 60–69 years | 91,467 (19.2) | 90,272 (98.7) | 1195 (1.3) | 8.45 (7.31–9.77) | <0.0001 |
| 70+ years | 22,555 (4.7) | 22,500 (99.8) | 55 (0.2) | 2.62 (1.92–3.57) | <0.0001 |
| Hispanic, n (%) | |||||
| No | 391,461 (90.5) | 389,658 (99.5) | 1803 (0.5) | 1.0 | Ref |
| Yes | 41,317 (9.6) | 41,143 (99.6) | 174 (0.4) | 0.96 (0.81–1.14) | 0.65 |
| Race, n (%) | |||||
| White | 258,737 (61.2) | 257,272 (99.4) | 1465 (0.6) | 1.0 | Ref |
| Black | 137,736 (32.6) | 137,364 (99.7) | 372 (0.3) | 0.50 (0.44–0.56) | <0.0001 |
| Asian | 8838 (2.1) | 8810 (99.7) | 28 (0.3) | 0.59 (0.41–0.86) | 0.007 |
| Native American/Alaskan | 5192 (1.2) | 5176 (99.7) | 16 (0.3) | 0.57 (0.35–0.94) | 0.03 |
| Native Hawaiian or other Pacific Islander | 5544 (1.3) | 5525 (99.7) | 19 (0.3) | 0.76 (0.48–1.21) | 0.25 |
| Other | 427 (0.1) | 405 (94.9) | 22 (5.2) | 1.37 (0.87–2.16) | 0.17 |
| Multiple races | 6180 (1.5) | 6090 (98.5) | 90 (1.5) | 1.39 (1.11–1.73) | 0.004 |
| Geographic area, n (%) | |||||
| Southeast | 138,226 (41.1) | 137,522 (99.5) | 704 (0.5) | 1.0 | Ref |
| Northeast | 27,801 (8.3) | 27,654 (99.5) | 147 (0.5) | 0.88 (0.73–1.05) | 0.15 |
| Midwest | 51,789 (15.4) | 51,497 (99.4) | 292 (0.6) | 0.96 (0.83–1.10) | 0.55 |
| Southwest | 59,868 (17.8) | 59,562 (99.5) | 306 (0.5) | 0.95 (0.83–1.09) | 0.46 |
| West | 56,900 (16.9) | 56,558 (99.4) | 342 (0.6) | 1.03 (0.90–1.18) | 0.67 |
| Territories | 1654 (0.5) | 1649 (99.7) | 5 (0.3) | 0.49 (0.20–1.19) | 0.12 |
| Service era, n (%) | |||||
| September 2001 or later | 3201 (1.0) | 2960 (92.5) | 241 (7.5) | 6.30 (5.32–7.47) | <0.0001 |
| August 1990–August 2001 (including Gulf War) | 172,721 (51.5) | 172,164 (99.7) | 557 (0.3) | 1.0 | Ref |
| May 1975–July 1990 | 53,946 (16.1) | 53,666 (99.5) | 280 (0.5) | 0.67 (0.57–0.77) | <0.0001 |
| August 1964–April 1975 (Vietnam Era) | 19,185 (5.7) | 19,111 (99.6) | 74 (0.4) | 0.50 (0.38–0.64) | <0.0001 |
| December 1941–July 1964 | 2098 (0.6) | 2094 (99.8) | 4 (0.2) | 0.36 (0.13–0.97) | 0.04 |
| Multiple service eras | 84,346 (25.1) | 83,708 (99.2) | 638 (0.8) | 2.66 (2.37–2.99) | <0.0001 |
a
List of missing observations: age: 2468, sex: 2466, ethnicity: 46,201, race: 56,325, region: 142,741; service era: 143,482.
b
Percentage is the column percentage of categories proportion.
c
Percentage is raw proportion, for example, “Enrolled” and “Not Enrolled” rates within each category of demographic characteristics.
d
Mutually adjusted for age, ethnicity, race, geographic area, and service era applying logistic regression model.
CI, confidence interval; OR, odds ratio.