Table 2:

Multivariate-adjusted associations between household food security and diet quality indices among older adults with household incomes ≤300% of the federal poverty level

	Continuous diet quality indices				Quintiles of diet quality indices (comparing top quintile to bottom four quintiles
	Multivariate-adjusted1		Multivariate-adjusted plus chronic medical conditions1		Multivariate-adjusted2		Multivariate-adjusted plus chronic medical conditions2
	β	95% CI	β	95% CI	OR	95% CI	OR	95% CI
Healthy Eating Index-2015
Food secure	Ref.		Ref.		Ref.		Ref.
Marginally food secure	−1.43	−3.18, 0.33	−1.42	−3.19, 0.35	0.96	0.67, 1.38	0.96	0.67, 1.38
Food insecure	−1.90	−3.70, −0.09	−1.91	−3.72, −0.10	0.67	0.47, 0.96	0.68	0.47, 0.98
P-trend	0.03		0.03		0.06		0.06
Alternate Healthy Eating Index-2010
Food secure	Ref.		Ref.		Ref.		Ref.
Marginally food secure	−2.42	−3.76, −1.07	−2.41	−3.77, −1.04	0.58	0.41, 0.83	0.58	0.41, 0.83
Food insecure	−1.47	−2.51, −0.44	−1.49	−2.53, −0.45	0.58	0.43, 0.77	0.57	0.43, 0.76
P-trend	0.0008		0.0008		<0.0001		<0.0001
Mediterranean Diet (MedDiet) Score
Food secure	Ref.		Ref.		Ref.		Ref.
Marginally food secure	−0.62	−1.11, −0.12	−0.63	−1.12, −0.14	0.69	0.48, 0.99	0.69	0.48, 0.99
Food insecure	−0.54	−1.06, −0.01	−0.55	−1.09, −0.02	0.96	0.65, 1.42	0.94	0.64, 1.40
P-trend	0.02		0.02		0.56		0.51

¹Coefficients obtained from linear regression models adjusted for age, sex, race/ethnicity, educational attainment, poverty income ratio, marital status, smoking status, moderate or vigorous physical activity, and survey year

²Coefficients obtained from logistic regression models adjusted for age, sex, race/ethnicity, educational attainment, poverty income ratio, marital status, smoking status, moderate or vigorous physical activity, and survey year