Table 1. Demographic and Clinical Characteristics of the Sample.
| Variable | GBT (n = 232) | Control (n = 231) | Statistic | P Value |
|---|---|---|---|---|
| Age, y | ||||
| Mean (SD) | 64 (7) | 65 (8) | t = 1.60 | .11 |
| Median (range) | 62 (55-91) | 63 (55-87) | ||
| Race/ethnicity, No. (%) | ||||
| White | 115 (49.6) | 121 (52.4) | χ2 = 3.55 | .73 |
| African American | 113 (48.7) | 101 (43.7) | ||
| Hispanic | 2 (0.9) | 3 (1.3) | ||
| Asian/Pacific Islander | 2 (0.9) | 4 (1.7) | ||
| Native American | 0 | 1 (0.4) | ||
| No response or unknown | 0 | 1 (0.4) | ||
| Education, No. (%) | ||||
| <High school graduate | 6 (2.6) | 5 (2.2) | χ2 = 2.26 | .81 |
| High school diploma/GED | 25 (10.8) | 29 (12.6) | ||
| Some college | 80 (34.5) | 71 (30.7) | ||
| Bachelor degree | 57 (24.6) | 68 (29.4) | ||
| Graduate degree | 64 (27.6) | 58 (25.1) | ||
| Employment, No. (%) | ||||
| Full-time | 76 (32.8) | 62 (26.8) | χ2 = 2.62 | .62 |
| Part-time | 26 (11.2) | 23 (10.0) | ||
| Unemployed | 17 (7.3) | 18 (7.8) | ||
| Retired | 100 (43.1) | 112 (48.5) | ||
| Disabled | 13 (5.6) | 16 (6.9) | ||
| Annual household income, $, No. (%) | ||||
| <10 000-25 000 | 47 (20.3) | 52 (22.5) | χ2 = 4.21 | .52 |
| 25 001-50 000 | 60 (25.9) | 68 (29.4) | ||
| 50 001-100 000 | 71 (30.6) | 57 (24.7) | ||
| >100 000 | 37 (15.9) | 30 (13.0) | ||
| No response or unknown | 17 (7.3) | 24 (10.4) | ||
| Living with partner or spouse, No. (%) | 106 (45.7) | 97 (42.0) | χ2 = 0.64 | .42 |
| Medical history, No. (%) | ||||
| BMI ≥30 | 128 (55.2) | 112 (48.5) | χ2 = 2.07 | .15 |
| Previous hysterectomy | 76 (32.8) | 57 (24.7) | χ2 = 3.69 | .06 |
| Ever pregnant | 209 (90.1) | 200 (86.6) | χ2 = 1.38 | .24 |
| Cigarette smoking | 27 (11.6) | 20 (8.7) | χ2 = 1.16 | .28 |
| Arthritis | 135 (58.2) | 145 (62.8) | χ2 = 0.91 | .34 |
| Diabetes | 45 (19.4) | 36 (15.6) | χ2 = 1.21 | .27 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); GBT, group-administered behavioral treatment; GED, general equivalency diploma.