| Time 1 (14–15 years) | Time 2 (16–17 years) | p values |
---|---|---|---|
HRQOL | |||
Physical well-being, mean (SD)a | 47.0 (9.7) | 43.9 (9.5) |  < .001 |
Psychological well-being, mean (SD)a | 46.1 (8.6) | 42.7 (8.1) |  < .001 |
Autonomy and parent relations, mean (SD)a | 53.4 (8.4) | 52.2 (8.6) | .052 |
Social support and peers, mean (SD)a | 48.2 (8.0) | 46.9 (9.2) | .086 |
School environment, mean (SD)a | 49.4 (8.9) | 46.4 (9.7) |  < .001 |