Participant flow. a, 10 withdrew consent (one disappointed at allocation, two found it too time intensive, two because of ill health, five for other reasons), one did not attend assessment, nine were lost to follow-up (uncontactable); b, nine withdrew consent (three found it too time intensive, one because of ill health, five for other reasons), four did not attend assessment, 16 were lost to follow-up (uncontactable); c, 14 withdrew consent (10 found it too time intensive, one because of ill health, three for other reasons), one died, three did not attend assessment, 14 were lost to follow-up (uncontactable); d, one withdrew consent (because of ill health), three did not attend assessment, five were lost to follow-up, 12 were randomised with insufficient time for 9-month follow-up; e, two withdrew consent (too time intensive), one did not attend assessment, six were lost to follow-up, 11 were randomised with insufficient time for 9-month follow-up; and f, two withdrew consent (one found it too time intensive, one for other reasons), two did not attend assessment, three were lost to follow-up, 13 were randomised with insufficient time for 9-month follow-up.
Goyder E, Hind D, Breckon J, et al. A randomised controlled trial and cost-effectiveness evaluation of ‘booster’ interventions to sustain increases in physical activity in middle-aged adults in deprived urban neighbourhoods. Southampton (UK): NIHR Journals Library; 2014 Feb.