Table 2.

Descriptive Statistics for Binge Eating and Purging Behavior

	Presence of behavior
	Female		Male
	Yes	No	Yes	No
Binge Eating Wave 2	83	818	88	837
Purging Wave 2	31	870	33	892
Binge Eating Wave 3	79	802	71	836
Purging Wave 3	21	860	26	881

	Frequency of behavior at Wave 4
Number of binge eating episodes in past 14 days	Female	Male
None	606	630
1 – 2	57	59
3 – 4	15	14
5 – 7	1	9
8 – 10	4	1
11 – 13	3	0
14 days or everyday	11	7
Number of purging episodes in past 14 days	Female	Male
None	658	688
1 – 2	23	18
3 – 4	9	5
5 – 7	2	2
8 – 10	0	0
11 – 13	0	0
14 days or everyday	5	7

Note. Means based on available data at each wave (e.g., n = 1843 at Wave 1 and n = 1417 at Wave 4). Total sample n = 1906. At Waves 2 and 3, binge and purge were measured dichotomously. At Wave 4, they were measured as ordered categorical variables.