Table 1.

Sociodemographic and average dietary intake characteristics for SNAP^a-eligible adults, NHANES^b 2011–2014^c

	SNAP	non-SNAP
n	1191	1332
Missing datad	14	18
Sociodemographic data
Female	56.5%	50.3%*
Age, mean ± SE	39.1 ± 0.6	37.7 ± 1.6
Poverty Income Ratio, mean ± SE	.66 ±.02	.84 ±.03***
Married/Living with partner	41.5%	49.9%
Employed	40.2%	57.0%***
WICe recipient	4.8%	1.1%***
Race/Ethnicity
Mexican-American	12.9%	17.5%
Non-Hispanic White	45.8%	52.1%
Non-Hispanic Black	24.7%	12.7%***
Other/Multi-racial	16.7%	17.7%
Education
Less than High School	34.8%	25.1%*
High School/GEDf	31.9%	23.4%*
Some college	29.0%	36.8%*
College graduate or above	4.3%	14.7%***
Dietary Data
Daily calories, mean ± SE	2298 ± 47	2276 ± 57
% 24-hour recalls conducted on a weekend day, Fri – Sun	41.3 %	38.7%

^aSNAP=Supplemental Nutrition Assistance Program

^bNHANES=National Health and Nutrition Examination Survey

^cData are for adults aged 20–64 years with an income at or below 130% of the Federal Poverty Limit from NHANES 2011–2012 and 2013–2014. The sample sizes represent complete case analysis. Data are weighted and nationally representative, but are not adjusted.

^dNumber of individuals excluded from Table 1 statistics and statistical analysis either due to missing covariate data or missing food source information for at least one calorie-containing food item

^eWIC=Special Supplemental Nutrition Program for Women, Infants and Children

^fGED=General Education Diploma

^*Means/proportions are different between SNAP participants and non-participants at p<0.05

^***p<0.001