Table 1.

Demographic and health characteristics of 12,082 young adult participants in the National Longitudinal Study of Adolescent to Adult Health

	%	Mean (SE)
Age (years)		21.77 (0.12)
Biological sex
Female	50.6%
Male	49.4%
Race/Ethnicity
White (non-Hispanic)	69.4%
Black/African American (non-Hispanic)	15.0%
Hispanic/Latino	11.4%
Asian/Pacific Islander (non-Hispanic)	3.0%
American Indian/Native American	0.5%
Other	0.7%
Parent highest educational attainment
Less than high school	14.5%
High school graduate	30.0%
Some college	22.6%
College graduate	32.9%
Household income (thousands of U.S. dollars)		46.22 (1.38)
Body mass index (kg/m2)		26.52 (0.13)
Eating disorder and behavior exposures at baseline
Eating disorder diagnosis proxies	2.1%
With restrictive eating behaviors	0.5%
With compensatory behaviors	0.3%
With overeating/loss of control eating	0.3%
Any disordered eating behavior	17.0%
Restrictive eating behaviorsa	9.0%
Any compensatory behaviorb	4.0%
Vomiting to lose weight	0.2%
Laxatives to lose weight	0.3%
Diuretics to lose weight	0.3%
Weight loss pill	3.5%
Overeating or loss of control eating	7.2%
Trouble falling or staying asleep at baseline
Never in the past four weeks	39.4%
Less than once a week	36.1%
1 or 2 times a week	14.2%
3 or 4 times a week	7.7%
5 or more times a week	2.6%
Sleep outcomes at seven-year follow-up
Trouble falling asleep
Never in the past four weeks	47.1%
Less than once a week	18.6%
1 or 2 times a week	18.0%
3 or 4 times a week	8.5%
5 or more times a week	7.8%
Trouble staying asleep
Never in the past four weeks	43.1%
Less than once a week	17.7%
1 or 2 times a week	17.6%
3 or 4 times a week	9.8%
5 or more times a week	11.9%

All means and percentages are calculated with weighted data to reflect the representative proportion in the target U.S. population

^aRestrictive eating behaviors include fasting or skipping meals

^bAny compensatory behaviors include vomiting, laxatives, diuretics, or weight loss pills for weight loss