Table 1.
Baseline Sociodemographic and Clinical Characteristics of Participants*
| Variable | CBT (N=50) |
TCC (N=48) |
SS (N=25) |
F or χ2; p |
|---|---|---|---|---|
| Age (55 to 85 years), mean (SD) | 64.4 (6.1) | 66.3 (7.4) | 66.4 (7.7) | 1.16; 0.32 |
| Female, No. (%) | 39 (78.0) | 31 (64.6) | 18 (72.0) | 2.17; 0.34 |
| Ethnicity, Hispanic, No. (%) | 3 (6.0) | 3 (6.4) | 3 (12.5) | 1.12; 0.57 |
| Race, Non-white, No. (%) | 6 (12.2) | 7 (14.9) | 4 (16.7) | 0.29; 0.86 |
| Marital status, Married, No. (%) | 25 (50.0) | 21 (43.8) | 8 (32.0) | 2.19; 0.33 |
| Employment | ||||
| Working, No. (%) | 21 (42.0) | 20 (41.7) | 10 (40.0) | 0.03; 0.98 |
| Work Hrs/wk, mean (SD) | 13.6 (18.5) | 11.7 (18.6) | 11.4 (15.3) | 0.18; 0.84 |
| Education (years), mean (SD) | 15.8 (1.4) | 15.7 (1.5) | 15.3 (1.5) | 1.26; 0.29 |
| Body mass index (kg/m2), mean (SD) | 25.4 (3.3) | 26.4 (4.0) | 26.3 (4.5) | 0.95; 0.39 |
| Co-morbidity | ||||
| Medical, No. (%)# | 19 (39.6) | 22 (48.9) | 14 (56.0) | 1.93; 0.38 |
| Depression history, No. (%) | 12 (24.0) | 12 (25.0) | 8 (32.0) | 0.60; 0.74 |
| Other psychiatric history, No. (%) | 9 (18.0) | 6 (12.5) | 3 (12.5) | 0.71; 0.70 |
| Prior hypnotic drug usage, number (%) | 12 (24.0) | 7 (14.6) | 2 (8.0) | 3.36; 0.19 |
All values are mean (sd) unless noted with percentage
*
Between-group differences were tested with a chi-square test for categorical variables and one-way analysis of variance for continuous variables
#
Among those who reported medical co-morbidity, 95% reported cardiovascular disease