Table 3.
Descriptive statistics for pre- and posttest variables by conditiona.
|
|
Pretest | Posttest | |||||
|
|
Control (n=42), mean (SD) | Treatment (n=45), mean (SD) | Combined (N=87), mean (SD) | Control (n=29), mean (SD) | Treatment (n=29), mean (SD) | Combined (N=58), mean (SD) | |
| PSQIb global score | 5.71 (3.78) | 5.27 (4.14) | 5.48 (3.96) | 5.45 (3.69) | 5.59 (4.44) | 5.52 (4.05) | |
| Sleep duration | 6.69 (1.13) | 6.87 (1.13) | 6.78 (1.13) | 6.59 (1.03) | 7.03 (1.21) | 6.81 (1.13) | |
| Sleep latency | 18.08 (13.45) | 24.47 (26.80) | 21.39 (21.54) | 19.35 (12.09) | 26.37 (27.72) | 22.86 (21.49) | |
| Cognitive performance | 0.05 (0.61) | 0.02 (0.58) | 0.03 (0.59) | 0.18 (0.29) | 0.18 (0.35) | 0.18 (0.32) | |
| Social engagement | 36.14 (7.65) | 33.07 (10.86) | 34.55 (9.52) | 35.10 (8.62) | 30.55 (12.15) | 32.83 (10.69) | |
| Exercise control | 4.32 (0.51) | 4.30 (0.57) | 4.31 (0.54) | 4.22 (0.63) | 3.98 (0.68) | 4.10 (0.66) | |
| Exercise self-efficacy | 2.57 (0.69) | 2.82 (0.81) | 2.70 (0.76) | 2.40 (0.85) | 2.54 (0.97) | 2.47 (0.90) | |
aThere were no significant differences between the conditions for any of these variables: Pittsburgh Sleep Quality Index, cognitive performance (Brief Test of Adult Cognition by Telephone cognitive composite), and social engagement (Lubben Social Network Scale).
bPSQI: Pittsburgh Sleep Quality Index.