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Table 3 Sensitivity analyses for primary outcome

From: Randomised controlled trial and economic evaluation of a task-based weight management group programme

  PNI arm
Mean (SD)
WAP arm
Mean (SD)
Treatment effect (95% CI)
Complete case analysis (N = 232) −2.3 (6.6) −4.2 (7.3) − 2.4 (− 4.9, 0.1)
Excluding participants who had bariatric surgery or became pregnant during follow-upa (N = 221) − 2.1 (5.7) −4.2 (7.3) −2.1 (− 3.9, − 0.4)
  1. a11 excluded: gastric bypass (PNI 1 (lost 34.2 kg), intervention 0), pregnancy (PNI 5, intervention 5)