Characteristic	Total sample		Respondents completed ≥1 survey
	Count	%	Total		1-Day group		3-Day group		7-Day group
			Count	%	Count	%	Count	%	Count	%
Female	149	49.7	102	51.0	31	52.5	34	52.3	37	48.7
Male	151	50.3	98	49.0	28	47.5	31	47.7	39	51.3
Under age 35	178	59.3	119	59.5	29	49.2	41	63.1	49	64.5
Age 35–49	96	32.0	69	34.5	26	44.1	21	32.3	22	28.9
Age 50 or above	26	8.7	12	6.0	4	6.8	3	4.6	5	6.6
White	235	78.3	158	79.0	49	83.1	47	72.3	62	81.6
Black	35	11.7	23	11.5	8	13.6	8	12.3	7	9.2
Asian	26	8.7	21	10.5	5	8.5	8	12.3	8	10.5
Other	26	8.7	15	7.5	1	1.7	6	9.2	8	10.5
Hispanic	36	12.0	23	11.5	8	13.6	6	9.2	9	11.8 a
Some high school	43	14.3	35	17.5	11	18.6	13	20.0	11	14.5
High school	34	11.3	19	9.5	6	10.2	7	10.8	6	7.9
Some college	41	13.7	25	12.5	9	15.3	3	4.6	13	17.1
College	127	42.3	82	41.0	22	37.3	29	44.6	31	40.8
Somegraduate school	13	4.3	11	5.5	4	6.8	2	3.1	5	6.6
Graduate school	38	12.7	25	12.5	6	10.2	11	16.9	8	10.5
Total	300	100.0	200	100.0	59	100.0	65	100.0	76	100.0