Table 3.
Food security and cooking dinner frequency associations with diet quality among low-income adults in the United States between June 23 and July 1, 2020 (N = 1,739)
| Variable | Model 3a |
|
|---|---|---|
| β | 95% CI | |
| Food security status | ||
| High | Refb | |
| Marginal | –0.8 | –2.3 to 0.7 |
| Low | –1.6 | –3.1 to –0.2 |
| Very low | –2.8 | –4.1 to –1.4 |
| P for trendc | 0.0001 | |
| Cooking dinner frequency (times/wk) | ||
| 7 | Ref | |
| 5-6 | –1.7 | –2.9 to –0.3 |
| 3-4 | –4.5 | –5.9 to –3.0 |
| 0-2 | –4.2 | –5.8 to –2.6 |
| P for trendc | < 0.0001 | |
a
Model 3 is an ordinary least squares model that included food insecurity, cooking frequency (both exposures simultaneously in the model), age, sex and gender, race and ethnicity, education, income, marital status, household size, presence of children younger than age 18 years in the household, employment, Supplemental Nutrition Assistance Program participation, and student status.
b
Ref = reference category.
c
P value for trend obtained by using the postestimation contrast command in Stata41 to test whether or not the linear trend across categories is significant.