Table 1.
Participant demographics and characteristics.
| History of infertility treatment, No. (%) | ||||
|---|---|---|---|---|
| No (n = 4977) | Yes (n = 935) | Total (N = 5912) | P value | |
| Age, y, mean ± SD | 54.2 ± 5.1 | 53.7 ± 5.1 | 54.1 ± 5.1 | .004 |
| Obesity: body mass index >30 kg/m2 | .99 | |||
| Missing | 157 | 34 | 191 | |
| No | 3756 (77.9) | 702 (77.9) | 4458 (77.9) | |
| Yes | 1064 (22.1) | 199 (22.1) | 1263 (22.1) | |
| Race | .58 | |||
| White | 4434 (89.1) | 829 (88.7) | 5263 (89.0) | |
| Asian | 77 (1.5) | 15 (1.6) | 92 (1.6) | |
| Black | 81 (1.6) | 15 (1.6) | 96 (1.6) | |
| Hispanic | 210 (4.2) | 38 (4.1) | 248 (4.2) | |
| Other | 56 (1.1) | 7 (0.7) | 63 (1.1) | |
| Unknown | 119 (2.4) | 31 (3.3) | 150 (2.5) | |
| Menopause status | .30 | |||
| Missing | 561 (11.3) | 111 (11.9) | 672 (11.4) | |
| Unknown | 191 (3.8) | 29 (3.1) | 220 (3.7) | |
| Premenopausal | 236 (4.7) | 44 (4.7) | 280 (4.7) | |
| Perimenopausal | 865 (17.4) | 186 (19.9) | 1051 (17.8) | |
| Postmenopausal | 3124 (62.8) | 565 (60.4) | 3689 (62.4) | |
| Marital status | .005 | |||
| Married/partnered | 4336 (87.1) | 841 (89.9) | 5177 (87.6) | |
| Single | 287 (5.8) | 41 (4.4) | 328 (5.5) | |
| Widowed | 35 (0.7) | 4 (0.4) | 39 (0.7) | |
| Separated/divorced | 301 (6.0) | 40 (4.3) | 341 (5.8) | |
| Unknown | 18 (0.4) | 9 (1.0) | 27 (0.5) | |
| Alcohol use | .015 | |||
| Never | 823 (16.5) | 126 (13.5) | 949 (16.1) | |
| Monthly or less | 990 (19.9) | 220 (23.5) | 1210 (20.5) | |
| 2-4 times a month | 1087 (21.8) | 216 (23.1) | 1303 (22.0) | |
| 2-3 times a week | 1155 (23.2) | 213 (22.8) | 1368 (23.1) | |
| ≥4 times a week | 641 (12.9) | 100 (10.7) | 741 (12.5) | |
| Unknown | 281 (5.6) | 60 (6.4) | 341 (5.8) | |
| Education | <.001 | |||
| High school graduate/GED or less | 288 (5.8) | 38 (4.1) | 326 (5.5) | |
| Some college or 2-y degree | 1176 (23.6) | 169 (18.1) | 1345 (22.8) | |
| 4-y college graduate | 1554 (31.2) | 295 (31.6) | 1849 (31.3) | |
| Postgraduate studies | 1257 (25.3) | 278 (29.7) | 1535 (26.0) | |
| Unknown | 702 (14.1) | 155 (16.6) | 857 (14.5) | |
| Employment | .062 | |||
| Disabled | 109 (2.2) | 16 (1.7) | 125 (2.1) | |
| Employed | 2485 (49.9) | 493 (52.7) | 2978 (50.4) | |
| Full-time homemaker | 296 (5.9) | 65 (7.0) | 361 (6.1) | |
| Other | 39 (0.8) | 7 (0.7) | 46 (0.8) | |
| Retired | 447 (9.0) | 57 (6.1) | 504 (8.5) | |
| Unemployed | 328 (6.6) | 68 (7.3) | 396 (6.7) | |
| Unknown | 1273 (25.6) | 229 (24.5) | 1502 (25.4) | |
| Systemic hormone therapy use | 846 (17.2) | 169 (18.2) | 1015 (17.3) | .43 |
Abbreviation: GED, General Education Development