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Table 1 Clustered campaign intervention schedule for weight loss maintenance

From: Comparison of an alternative schedule of extended care contacts to a self-directed control: a randomized trial of weight loss maintenance

Month 1 2 3 4 5 6 7a 8 9 10b 11 12 13c 14 15 16
Treatment Contacts X X X X X X X X X X X X X X X X    X X X X    X X X X    X X X X    
  Initial intervention
(16 contacts in months 1-4)
Clustered campaign extended care intervention
(12 contacts in months 5-16)
  1. X = Group-based treatment contact; a Dietary campaign; b Physical activity campaign; c Behavioral strategies campaign