Table 1 Characteristics of participants retained for analysis and missing data (n = 424)
Time of measure (cycle) | Range | n (%) or mean (SD)a | Missing data n (%) | |
|---|---|---|---|---|
Sex (female), n (%) | 1 | – | 242 (57.1) | 0 |
Age (y) at inception, mean (SD) | 1 | 10–11 | 10.2 (0.6) | 0 |
Neibourhood income tertile, n (%) | 1 | – | 71 (16.7) | |
High | – | – | 155 (43.9) | – |
Moderate | – | – | 98 (27.8) | – |
Low | – | – | 100 (28.3) | – |
PA participation (# year), n (%) | 1–15 | 1–7 | – | 140 (33.0) |
0 | – | – | 3 (10.6) | – |
1 | – | – | 10 (3.5) | – |
2 | – | – | 16 (5.6) | – |
3 | – | – | 22 (7.8) | – |
4 | – | – | 64 (22.5) | – |
5 | – | – | 169 (59.5) | – |
Autonomy, mean (SD) | 15 | 1–7 | 4.8 (1.6) | 103 (24.3) |
Competence, mean (SD) | 15 | 1–7 | 5.0 (1.5) | 99 (23.3) |
Relatedness, mean (SD) | 15 | 1–6 | 4.6 (1.4) | 107 (25.2) |
MVPA, # active days/wk., mean (SD) | 15 | 0–7 | 4.6 (2.0) | 96 (22.6) |
Mental health, mean (SD) | 16 | 0–70 | 48.4 (17.2) | 30 (7.1) |