Sleep measure | Baseline mean (SD) | 12-week follow-up mean (SD) | Unadjusted difference β (95 % CI)a | P-value | Adjusted difference β (95 % CI)b | P-value |
---|---|---|---|---|---|---|
Sleep quantity on work/school nights (hours/night) | ||||||
 Sleep/activity group | 5.82 (1.40) | 6.34 (1.41) | 0.306 (−0.155, 0.766) | 0.19 | 0.335 (−0.134, 0.805) | 0.16 |
 Smoking cessation group | 6.42 (1.44) | 6.39 (1.48) | ||||
Sleep quantity on non-work/non-school nights (hours/night) | ||||||
 Sleep/activity group | 7.50 (2.14) | 7.93 (2.05) | 0.060 (−0.649, 0.769) | 0.87 | −0.023 (−0.724, 0.678) | 0.95 |
 Smoking cessation group | 8.32 (2.05) | 8.18 (1.95) | ||||
Sleep quality scorec | ||||||
 Sleep/activity group | 17.52 (4.74) | 15.82 (4.61) | 0.074 (−1.529, 1.676) | 0.93 | 0.078 (−1.548, 1.705) | 0.92 |
 Smoking cessation group | 17.00 (5.50) | 15.53 (4.80) |