Table 2.
Relationship between the level of physical activity and the frequency and propensity for nightmares, the scores of the CSM, and the PSQI.
| Physical activity level | t | p | Cohen's d | |||
|---|---|---|---|---|---|---|
| Total (N=855) |
Sufficiently Physically Active (N=529-61.87%) |
Insufficiently Physically Active (N=325-38.01%) |
||||
| M (SD) | M (SD) | M (SD) | ||||
| Nightmare frequency | 3.50 (1.604) | 3.32 (1.613) | 3.78 (1.540) | 4.100 | < .001 | 0.29 |
| Nightmare propensity | 36.99 (12.954) | 34.89 (12.585) | 40.41 (12.856) | 6.137 | < .001 | 0.44 |
| Item 5h PSQI | 0.70 (0.786) | 0.62 (0.774) | 0.82 (0.788) | 3.795 | < .001 | 0.26 |
| CSM-Total | 32.44 (6.263) | 33.22 (6.172) | 31.16 (6.220) | 4.707 | < .001 | 0.33 |
| CSM-General | 24.56 (5.062) | 25.15 (4.994) | 23.60 (5.038) | 4.364 | < .001 | 0.31 |
| CSM-Alert | 7.87 (2.080) | 8.07 (2.061) | 7.54 (2.027) | 3.603 | < .001 | 0.26 |
CSM-Total.- Total score of the Composite Scale of Morningness. CSM-General.- General rating of the composite scale of Morningness. CSM-Alert.- Scores for the Alert factor of the Composite Scale of Morningness.