Table 1.
Background Characteristics for Full Sample and by Race
| All n = 368 | Caucasian n = 171 | African American n = 138 | Chinese n = 59 | Test Statistic1 | |
|---|---|---|---|---|---|
| Mean (SD) age, years | 50.72 (2.02) | 50.70 (2.04) | 50.64 (2.00) | 50.95 (2.03) | 0.49 |
| Menopausal status | 9.42 | ||||
| No. (%) pre or early perimenopausal | 227 (61.7%) | 110 (64.3%) | 80 (58.0%) | 37 (62.7%) | |
| No. (%) late perimenopausal | 76 (20.7%) | 30 (17.5%) | 33 (23.9%) | 13 (22.0%) | |
| No. (%) postmenopausal | 65 (17.6%) | 31 (18.2%) | 25 (18.1%) | 9 (15.3%) | |
| Vasomotor symptoms | 17.48*** | ||||
| No. (%) reporting none | 221 (60.9%) | 113 (66.9%) | 64 (47.4%) | 44 (74.6%) | |
| No. (%) reporting ≥1 | 142 (39.1%) | 56 (33.1%) | 71 (52.6%) | 15 (25.4%) | |
| Mean (SD) body mass index (BMI) | 29.96 (7.68) | 29.56 (7.22) | 33.31 (7.69) | 23.27 (7.79) | 44.13*** |
| Mean (SD) Inventory of | |||||
| Depressive Symptomatology (IDS)2 | 7.94 (3.11) | 7.80 (2.64) | 7.99 (3.65) | 8.23 (2.43) | 0.34 |
| Perceived health | 7.75* | ||||
| No. (%) fair to poor | 47 (13.0%) | 13 (7.7%) | 24 (17.8%) | 10 (17.2%) | |
| No. (%) very good to excellent | 314 (87.0%) | 155 (92.3%) | 111 (82.2%) | 48 (82.8%) | |
| No. (%) taking medications that affect sleep | 99 (27.3%) | 50 (29.4%) | 36 (26.9%) | 13 (22.4%) | 1.09 |
| Educational attainment | 31.27*** | ||||
| No. (%) less than or earned a high school degree or equivalent | 62 (17.1%) | 21 (12.4%) | 29 (21.6%) | 12 (20.3%) | |
| No. (%) some college or assoc. degree | 115 (31.8%) | 46 (27.2%) | 58 (43.3%) | 11 (18.6%) | |
| No. (%) college degree or advanced degree | 185 (51.1%) | 102 (60.4%) | 47 (35.1%) | 36 (61.0%) | |
| Difficulty paying for basics | 24.74*** | ||||
| No. (%) not difficult at all | 252 (72.6%) | 131 (79.4%) | 70 (56.9%) | 51 (72.6%) | |
| No. (%) somewhat to very difficult | 95 (27.4%) | 34 (20.6%) | 53 (43.1%) | 8 (13.6%) |
1
Test statistic = Chi square for all but age, BMI, and symptoms of depression (ANOVA F test);
2
Square root transformed prior to analyses; for tests of statistical significance, * P < 0.05, **P < 0.01, ***P < 0.001.