Table 1. Sample characteristics.
| Mean (SE) weighted |
% (95% CI) weighted |
n unweighted |
Missing n (%) unweighted |
|
|---|---|---|---|---|
| Total | 4,692 | |||
| Outcome variables | ||||
| Self-rated health (t1) | 1.82 (0.01) | 4,692 | 0 | |
| Emotional and behavioural problems (t1) | 9.43 (0.08) | 4,691 | 1 (0.0) | |
| Health-related quality of life (t1) | 46.74 (0.17) | 4,627 | 65 (1.4) | |
| Regular smoking* (t1) | 6 (0.2) | |||
| Yes | 12.3 (10.6–14.1) | 297 | ||
| No | 87.7 (85.9–89.4) | 2,326 | ||
| Heavy episodic drinking* (t1) | 7 (0.3) | |||
| Yes | 20.4 (18.2–22.8) | 501 | ||
| No | 79.6 (77.2–81.8) | 2,121 | ||
| Predictor variable | ||||
| Family status (t0 -> t1) | 0 | |||
| Nuclear family → nuclear family | 76.0 (74.0–78.0) | 3,664 | ||
| Nuclear family → single parent family | 5.4 (4.6–6.3) | 282 | ||
| Nuclear family → stepfamily | 1.8 (1.3–2.3) | 89 | ||
| Single parent family → single parent family | 7.3 (6.2–8.6) | 277 | ||
| Single parent family → stepfamily | 2.7 (2.1–3.5) | 109 | ||
| Stepfamily → stepfamily | 4.9 (4.1–5.9) | 203 | ||
| Stepfamily → single parent family | 1.9 (1.3–2.7) | 68 | ||
| Control variables | ||||
| Sex | 0 | |||
| Girls | 48.6 (47.1–50.1) | 2,311 | ||
| Boys | 51.4 (49.9–52.9) | 2,381 | ||
| Age (in full years) (t1) | 13.97 (0.03) | 0 | ||
| Age groups (t1) | 0 | |||
| 11–13 | 44.0 (42.4–45.6) | 2,063 | ||
| 14–17 | 56.0 (54.4–57.6) | 2,629 | ||
| Mediator variables | ||||
| Socio-economic status (t0) | 11.43 (0.11) | 4,684 | 8 (0.2) | |
| Socio-economic status (t1-t0) | 0.51 (0.40) | 4,675 | 17 (0.4) | |
| Family cohesion (t0) | 77.03 (0.32) | 4,626 | 66 (1.4) | |
| Family cohesion (t1-t0) | -0.88 (0.43) | 4,621 | 71 (1.5) | |
| Parent-rated general health (t0) | 1.65 (0.01) | 4,682 | 10 (0.2) | |
| Parent-rated emotional and behavioural problems (t0) | 8.40 (0.10) | 4,678 | 14 (0.3) | |
* Data on regular smoking and heavy episodic drinking refer only to age groups 14–17 years (n = 2,629).