Table 2 Study participation statistics for adolescents and parents
Mean (SD) | Median (IQR)a | |
|---|---|---|
Adolescent | ||
Number of weeks logged into website | 13.4 (11.4) | 11 (3–24) |
Percent of weeks logged into website | 40.5 (34.6) | 33.3 (9.1–72.7) |
Number of weeks self-monitoring was entered | 8.3 (9.9) | 4 (0–13) |
Percent of weeks self-monitoring was entered | 24.3 (29.2) | 11.8 (0–38.2) |
Participation Rate | ||
Baseline to 4 months | 38.1 (32.3) | 33.2 (7.1–68.2) |
4 months to 8 months | 18.0 (24.2)b | 4.7 (0–35.0) |
Baseline to 8 months | 28.4 (26.8) | 20.5 (4.8–46.5) |
Self-monitoring Rate | ||
Baseline to 4 months | 36.3 (36.2) | 23.5 (0–70.6) |
4 months to 8 months | 12.4 (27.3)b | 0 (0–5.9) |
Baseline to 8 months | 24.3 (29.2) | 11.8 (0–38.2) |
Parent | ||
Number of weeks logged into website | 7.5 (9.7) | 3 (0–12) |
Percent of weeks logged into website | 22.3 (29.5) | 9.1 (0–36.4) |
Number of weeks self-monitoring was entered | 4.5 (8.3) | 0 (0–5) |
Percent of weeks self-monitoring was entered | 13.2 (24.5) | 0 (0–14.7) |
Participation Rate | ||
Baseline to 4 months | 30.9 (34.7) | 17.6 (0–58.8) |
4 months to 8 months | 14.2 (27.8)b | 0 (0–6.3) |
Baseline to 8 months | 22.8 (29.5) | 9.1 (0–36.4) |
Self-monitoring Rate | ||
Baseline to 4 months | 18.5 (29.3) | 0 (0–23.5) |
4 months to 8 months | 8.0 (23.1)b | 0 (0–0) |
Baseline to 8 months | 13.2 (24.5) | 0 (0–14.7) |