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Table 2 Study participation statistics for adolescents and parents

From: Does parental and adolescent participation in an e-health lifestyle modification intervention improve weight outcomes?

  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)
  1. aInter-quartile range
  2. bSignificantly different compared to baseline to 4 months