Table 1 Descriptive statistics of the sample.
Measures | Total Sample N = 1492 9–17 years | Time 1 n = 743 9–12 years | Time 2 n = 749 12–17 years |
|---|---|---|---|
Age | |||
Range | 9.9–17.5 | 9.9–12.4 | 12.7–17.5 |
Mean (SD) | 12.9 (2.1) | 10.9 (0.5) | 14.9 (1.0) |
Sex | |||
Female | 781 (52.3%) | 382 (51.4%) | 399 (53.3%) |
Male | 711 (47.7%) | 361 (48.6%) | 350 (46.7%) |
Family affluence | |||
Range | 6.2–7.8 | 6.2–7.8 | 6.2–7.8 |
Mean (SD) | 7.2 (0.3) | 7.2 (0.3) | 7.2 (0.3) |
Maternal education | |||
Primary or no education | 270 (18.1%) | 135 (18.2%) | 135 (18.0%) |
Secondary education | 592 (39.7%) | 300 (40.4%) | 292 (39.0%) |
University education | 630 (42.2%) | 308 (41.4%) | 322 (43.0%) |
Psychological wellbeing | |||
Range | 13.2–73.5 | 33.2–73.5 | 13.2–73.5 |
Mean (SD) | 52.4 (10.0) | 56.5 (8.9) | 48.4 (9.4) |
Family support & autonomy | |||
Range | 24.2–74.4 | 26.6–74.4 | 24.2–74.4 |
Mean (SD) | 52.5 (8.7) | 53.2 (8.7) | 52.0 (8.6) |
Peer support | |||
Range | 11.2–66.3 | 11.2–66.3 | 11.2–66.3 |
Mean (SD) | 54.4 (8.9) | 55.8 (8.5) | 53.0 (9.0) |
Population density | |||
Range | 0–280.3 | 0–258.2 | 0–280.3 |
Mean (SD) | 74.0 (43.6) | 78.2 (41.9) | 69.8 (44.8) |
Residential greenness | |||
Range | 12.2–84.5 | 12.2–84.5 | 12.2–82.8 |
Mean (SD) | 34.1 (15.6) | 35.6 (15.7) | 32.6 (15.3) |
Neighbourhood deprivation | |||
Low deprived | 869 (58.2%) | 454 (61.1%) | 415 (55.4%) |
Medium deprived | 540 (36.2%) | 251 (33.8%) | 289 (38.6%) |
High deprived | 83 (5.6%) | 38 (5.1%) | 45 (6.0%) |
Green space availability | |||
Yes | 910 (61.0%) | 450 (60.6%) | 460 (61.4%) |
No | 582 (39.0%) | 293 (39.4%) | 289 (38.6%) |