Table 2:

Result of multivariable-adjusted^a OLS^b regression, investigating factors associated with total HEI^c-2015 score among American adults aged 18 and older who participated in the National Health and Nutrition Examination Survey, 1999–2018 (n =48,679)

	Coefficient	Standard Error	p-value	[95% Confidence	Interval]
Year (reference: 1999/2000)
2001/2002	1.04	0.37	0.01	0.31	1.77
2003/2004	0.38	0.37	0.30	−0.35	1.11
2005/2006	0.82	0.38	0.03	0.07	1.58
2007/2008	1.20	0.37	0.001	0.46	1.93
2009/2010	2.22	0.37	<0.001	1.50	2.95
2011/2012	2.42	0.40	<0.001	1.63	3.21
2013/2014	1.52	0.38	<0.001	0.78	2.26
2015/2016	1.13	0.40	0.01	0.35	1.92
2017/2018	−0.13	0.42	0.76	−0.96	0.70
Sex (reference: male)
Female	1.53	0.17	<0.001	1.19	1.87
Age group in years (reference: 18–39)
40–59	3.08	0.21	<0.001	2.67	3.49
60 or above	6.66	0.21	<0.001	6.24	7.08
Race/ethnicity (reference: non-Hispanic White)
Hispanic	2.26	0.22	<0.001	1.82	2.70
Non-Hispanic Black	−1.12	0.20	<0.001	−1.50	−0.73
Othersd	3.17	0.33	<0.001	2.53	3.82
Educational level (reference: less than high school graduate)
High school graduate/GEDe	0.31	0.24	0.20	−0.16	0.78
Some college or more	4.76	0.21	<0.001	4.35	5.18
Constant	42.61	0.35	<0.001	41.92	43.30

^aAdjusted for year, sex, age group in years, race/ethnicity, educational level.

^bOLS =Ordinary Least Squares

^cHEI = Healthy Eating Index.

^dOther race includes non-Hispanic Asian persons and non-Hispanic persons reported races other than Black, Asian, or White.

^eGED = General Equivalency Diploma