Table 4 Unadjusted and adjusted odds of composite sleeping problems for offspring at 14 and 21 years by maternal smoking status
Composite indicator of sleep problems | Maternal Smoking | Maternal Smoking | |||||
|---|---|---|---|---|---|---|---|
14 years maternal report of sleep | N | Never | Smoked postnatal but not in pregnancy and pre-pregnancy OR (95% CI) | Smoked in pregnancy + other times OR (95% CI) | Never | Smoked postnatal but not in pregnancy and pre-pregnancy OR (95% CI) | Smoked in pregnancy + other times OR (95% CI) |
Unadjusted | Adjusteda | ||||||
Lower 20% | 959 (28.03) | 1.00 | Reference | Reference | 1.00 | Reference | Reference |
Middle 20–80% | 2000 (58.50) | 1.00 | 1.14 (0.77, 1.70) | 1.27 (1.08, 1.49) | 1.00 | 1.13 (0.75, 1.68) | 1.26 (1.05, 1.50) |
Top 20% | 462 (13.50) | 1.00 | 1.85 (1.11, 3.11) | 1.63 (1.30, 2.05) | 1.00 | 1.71 (1.00, 2.89) | 1.36 (1.05, 1.76) |
14 years youth report of sleep | |||||||
Lower 20% | 854 (25.08) | 1.00 | Reference | Reference | 1.00 | Reference | Reference |
Middle 20–80% | 1924 (56.51) | 1.00 | 0.73 (0.50, 1.09) | 1.11 (0.94, 1.31) | 1.00 | 0.74 (0.50, 1.10) | 1.13 (0.94, 1.36) |
Top 20% | 627 (18.41) | 1.00 | 0.97 (0.60, 1.59) | 1.29 (1.05, 1.60) | 100 | 0.95 (0.58, 1.57) | 1.29 (1.02, 1.64) |
21 years report of sleep | |||||||
Lower 20% | 745 (31.91) | 1.00 | Reference | Reference | 1.00 | Reference | Reference |
Middle 20–80% | 1193 (51.09) | 1.00 | 0.78 (0.48, 1.26) | 1.15 (0.95, 1.40) | 1.00 | 0.74 (0.45, 1.22) | 1.10 (0.89, 1.37) |
Top 20% | 397 (17.00) | 1.00 | 0.69 (0.34, 1.40) | 1.23 (0.96, 1.59) | 1.00 | 0.58 (0.28, 1.18) | 1.06 (0.80, 1.42) |