Recruitment, adherence and attrition challenges in internet-based indicated prevention programs for eating disorders: lessons learned from a randomised controlled trial of ProYouth OZ

Table 1 Comparison of demographics and eating disorder symptoms of eligible participants as a function of pre-intervention assessment completion

	Failed to complete assessment n = 23	Completed assessment n = 50	p
Age (M, SD)	22.2 (1.7)	21.3 (2.4)	0.053
Gender (female, N, %)^a	19 (82.6)	47 (94)	0.078
Body mass index (M, SD)	23.4 (4.1)	24.1 (4.5)	0.516
Weight concern scale (M, SD)	69.9 (15.8)	70.4 (16.3)	0.901
Binge eating (N, %)^b	14 (60.9)	28 (56)	0.801
Vomiting (N, %)^b	3 (13)	3 (6)	0.371
Use of laxatives (N, %)^b	2 (8.7)	3 (6)	0.647
Excessive exercise (N, %)^b	14 (60.9)	23 (46)	0.315
Dieting (N, %)^b	18 (78.3)	43 (86)	0.500

^aGender comparison was based on the male and female subgroups only, due to the small sample size of the “other” category size
^bFrequency of binge eating, vomiting, use of laxatives, excessive exercise, dieting at least “less than once a week”

ISSN: 2050-2974