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Table 5 Number of sessions attended and numbers achieving therapeutic dose

From: Challenges in the design, planning and implementation of trials evaluating group interventions

 Minimum number of sessions for ‘therapeutic dose’ (or per protocol population)Median (range) sessions attendedNumber of participants achieving ‘therapeutic dose’ (% of those receiving any intervention)Number attending all planned sessions (% of those receiving any intervention)
LM [2]12/16 (75%)12 (1–16)71/123 (57.7%)5/123 (4.1%)
PLINY [3]9/12 (75%)11 (2–12)9/21 (42.9%)10/21 (47.6%)
REPOSE [4]4/5 (80%)5 (1–5)261/267 (97.8%)250/267 (93.6%)
STEPWISE [5]2/7 a (28.6%)Foundation: 3 (0–4)
Booster: 2 (0–3)
161/171 a (94.2%)47/171 a (27.5%)
JtD [1]10/16 b (62.5%)1:1 sessions: 4 (1–4)
Groups: 9 (0–12)
168/217 b (77.4%)36/217 b (16.6%)
  1. a Foundation and booster sessions included
  2. b Group and 1:1 sessions included