Table 5. NAR for energy and major nutrients and MAR.

Category	IF group (n = 129)	Non-IF group (n = 261)	Total (n = 390)	P-value2)	P-value3)	P-value4)
Energy	0.86 ± 0.031)	0.80 ± 0.02	0.83 ± 0.02	0.142	0.114	0.123
Protein	1.15 ± 0.07	0.89 ± 0.05	1.02 ± 0.04	0.002	0.022	0.024
Calcium	0.70 ± 0.43	0.48 ± 0.03	0.59 ± 0.03	< 0.001	< 0.001	0.001
Iron	1.81 ± 0.14	1.27 ± 0.05	1.54 ± 0.07	< 0.001	0.002	< 0.001
Phosphorus	1.20 ± 0.05	0.91 ± 0.04	1.05 ± 0.03	< 0.001	< 0.001	0.001
Vitamin A	0.98 ± 0.11	0.48 ± 0.05	0.73 ± 0.06	< 0.001	< 0.001	< 0.001
Thiamine	1.89 ± 0.08	1.43 ± 0.06	1.66 ± 0.05	< 0.001	< 0.001	0.001
Riboflavin	0.91 ± 0.05	0.68 ± 0.04	0.79 ± 0.03	0.001	0.002	0.008
Niacin	0.82 ± 0.04	0.57 ± 0.04	0.70 ± 0.03	< 0.001	< 0.001	0.001
Vitamin C	0.53 ± 0.05	0.54 ± 0.06	0.54 ± 0.04	0.972	0.820	0.902
MAR	1.08 ± 0.04	0.80 ± 0.03	0.94 ± 0.03	< 0.001	< 0.001	< 0.001

Values are expressed as mean ± SE. P-values were analyzed by complex sample general linear model t-test.

NAR, nutrient adequacy ratio; MAR, mean adequacy ratio; IF, institutional foodservice; non-IF, non-institutional foodservice.

¹⁾Values in model 1.

²⁾Adjusted for energy intake (model 1).

³⁾Adjusted for energy intake and sex (model 2).

⁴⁾Adjusted for energy intake, sex, area of residence, education level, and receipt of National Basic Livelihood Security (model 3).