Exhibit 1:

Characteristics of individuals in the study sample, 2016

Characteristic	Total Individuals (N=14,666,weighted N=308,082,576)	Food Secure Individuals (N=12,616,weighted %=90.0%)	Food Insecure Individuals (N=2,050,weighted %=10.1%)
Age (mean), years ****	38.6	39.1	33.5
Female, % *	51.0	50.8	53.4
Race/ethnicity, % ****
Non-Hispanic, White	60.0	61.7	45.5
Non-Hispanic, Black	12.3	11.5	19.3
Hispanic	18.1	17.2	26.2
Other	9.6	9.7	9.0
Region of residence, %
Northeast	17.5	17.9	14.6
Midwest	21.0	20.7	23.5
South	37.7	37.4	40.9
West	23.8	24.1	21.0
Family income, % ****
<100% FPL	12.9	10.7	33.0
100-<125% FPL	4.0	3.2	11.4
125-<200% FPL	14.1	13.0	24.4
200-<400% FPL	29.9	30.5	24.2
≥400% FPL	39.1	42.6	7.1
Insurance type, % ****
Private	58.6	61.2	34.7
Medicaid/CHIP/other public insurance	19.0	16.1	45.3
Medicare	15.1	15.9	7.7
Uninsured	7.4	6.8	12.2
Age group, % ***
Adult (≥18 years of age)	71.6	72.1	67.0
Children (<18 years of age)	28.4	27.9	33.0
Education level, % (adults only)****
< High school	13.3	12.0	25.8
High school graduate	45.6	44.6	54.9
> High school	41.2	43.5	19.3
Medical conditions, %
Hypertension (adults only)	32.7	32.6	33.9
Diabetes (adults only)****	10.4	10.0	14.3
COPD (adults only)****	3.5	3.0	8.4
CVD (adults only)**	15.7	15.4	18.1
CSHCN (children only)***	14.5	13.7	20.3

Source: Author’s analysis of study data

Notes: “Family” was defined as two or more persons living in the same household who were related by blood, marriage, or adoption based on the Current Population Survey definition of a family. The study population included 14,666 children and adults from 6,621 distinct families. CHIP-Children’s Health Insurance Program, CVD-cardiovascular disease, COPD-chronic obstructive pulmonary disease, CSHCN-children with special healthcare needs, FPL-Federal Poverty Level.

^*p<0.10

^**p<0.05

^***p<0.01

^****p<0.001.