Table 1.
Characteristics of study population (%) by food security status using NHANES 2013–2016 data.
| Full Security (n = 7863) |
Marginal Security (n = 1353) |
Low Security (n = 1275) |
Very Low Security (n = 963) |
p-Value | |
|---|---|---|---|---|---|
| Food Security Status | 74.9 | 9.8 | 8.6 | 6.7 | |
| Age * (mean) | 48.3 | 41.1 | 41.2 | 40.5 | <0.01 |
| Sex | |||||
| Male | 75.6 | 9.4 | 8.2 | 6.8 | NS |
| Female | 74.3 | 10.1 | 9.0 | 6.7 | |
| Race/Ethnicity * | |||||
| NH White | 81.3 | 7.3 | 5.8 | 5.5 | <0.001 |
| NH Black | 60.5 | 15.9 | 13.0 | 10.5 | |
| Hispanic | 56.4 | 15.8 | 18.3 | 9.6 | |
| Others | 77.1 | 9.6 | 7.2 | 6.1 | |
| Marital Status * | |||||
| Married, living with partner | 79.7 | 8.2 | 7.1 | 5.0 | <0.001 |
| Widowed, separated, divorced | 69.2 | 11.2 | 10.1 | 9.5 | |
| Never married | 67.7 | 11.5 | 11.3 | 9.5 | |
| Education * | |||||
| Less than high school |
56.6 | 13.8 | 18.5 | 11.2 | <0.001 |
| High school graduate/GED or equivalent |
68.7 | 12.1 | 10.2 | 9.0 | |
| Some college or above |
82.4 | 7.4 | 5.3 | 4.8 | |
| Poverty Level * | |||||
| Poor (PIR < 1) | 43.7 | 19.2 | 18.4 | 18.8 | <0.001 |
| Rich (PIR ≥ 1) | 81.5 | 7.8 | 6.3 | 4.5 | |
| Family Size * | |||||
| 1 | 73.1 | 9.6 | 7.4 | 9.8 | <0.001 |
| 2 | 84.8 | 6.2 | 5.3 | 3.8 | |
| 3 | 73.0 | 11.3 | 8.6 | 7.1 | |
| 4 + | 68.7 | 12.1 | 12.3 | 7.0 | |
| BMI (kg/m2) * | |||||
| Underweight | 61.3 | 17.3 | 12.1 | 9.3 | <0.001 |
| Normal | 77.42 | 9.1 | 7.3 | 6.3 | |
| Overweight | 78.0 | 9.1 | 7.6 | 5.4 | |
| Obese | 70.7 | 10.6 | 10.5 | 8.2 | |
| Comorbidity Status * | |||||
| No disease | 78.0 | 9.5 | 7.3 | 5.2 | <0.001 |
| Only chronic disease | 78.5 | 8.3 | 7.7 | 5.6 | |
| Chronic disease with depression | 50.8 | 14.7 | 14.6 | 19.9 | |
* Indicates significance.