Table 1.

Prevalence of Eating Disorder Symptoms in Women and Men

Symptom	Women (%)	Men (%)	Chi-Square (df = 1)	p	NNT5
Overeating1	18.0	26.0	47.40	< .001	13
Loss of control over eating1	29.6	20.0	57.17	< .001	10
Binge eating at least once/week1,2	10.0	8.0	5.11	.019	50
Binge eating at least twice/week1,2	7.8	5.8	6.70	.010	50
Vomiting1,3	3.7	1.5	20.50	< .001	46
Fasting1,3	6.3	4.0	11.84	.001	44
Laxatives1,3	3.1	3.0	< 1	ns	1,000
Exercise1,3	6.0	5.6	< 1	ns	250
Body checking4	22.5	8.9	149.97	< .001	7
Body avoidance4	11.3	4.4	68.82	< .001	14

¹Participants indicated that, during the previous 3 months, they had “often” engaged in the behavior

²Binge eating was defined as overeating with a sense of loss of control over the eating episode

³The behavior occurred for the purpose of avoiding weight gain after binge eating

⁴The behavior occurred “very often” or always,” (no time frame specified)

⁵Number Needed to Treat (Kraemer & Kupfer, 2006)¹⁶