Table 2.

Selected food groups and nutrient intakes of participants across tertiles of dietary zinc and vitamin C intake.

	Tertiles of zinc intake				Tertiles of vitamin C intake
	T1 (n = 83)	T2 (n = 84	T3 (n = 83)	Pa	T1 (n = 83)	T2 (n = 84)	T3 (n = 83)	Pa
Nutrients
Energy (Kcal/day)	2725.1 ± 605.8	2815.6 ± 393.2	2700.7 ± 361.9	0.14	2749.6 ± 607.0	2768.8 ± 414.3	2723.1 ± 344.7	0.73
Carbohydrate (g/d)	397.9 ± 66.5	420.6 ± 46.1	412.1 ± 43.9	0.04	401.8 ± 63.7	412.3 ± 54.3	416.5 ± 40.2	0.20
Fat (g/day)	92.5 ± 35.0	107.8 ± 23.7	102.1 ± 14.4	<0.01	103.6 ± 37.3	104.1 ± 20.7	94.8 ± 15.3	<0.01
Protein (g/day)	94.2 ± 16.3	108.3 ± 11.2	121.6 ± 10.7	<0.001	96.7 ± 15.8	112.5 ± 14.9	114.9 ± 14.7	<0.001
Dietary fiber (g/day)	19.4 ± 3.9	23.3 ± 3.7	26.5 ± 3.4	<0.001	18.4 ± 2.8	23.3 ± 2.9	27.6 ± 2.6	<0.001
Cholesterol	361.0 ± 125.6	458.8 ± 145.4	509.9 ± 157.4	<0.001	403.8 ± 152.0	494.9 ± 152.0	430.9 ± 150.3	<0.001
SOFA	27.3 ± 11.9	31.1 ± 10.3	27.7 ± 5.7	0.02	31.9 ± 13.0	29.6 ± 8.5	24.5 ± 4.3	<0.001
MUFA	27.8 ± 11.8	32.0 ± 9.2	29.3 ± 5.6	0.02	32.0 ± 12.6	30.2 ± 7.6	27.0 ± 6.0	<0.01
PUFA	21.9 ± 9.3	26.8 ± 5.3	25.1 ± 4.5	<0.001	23.7 ± 9.5	26.0 ± 5.3	24.1 ± 5.0	0.03
Vitamin B1 (mg/d)	2.3 ± 0.3	2.5 ± 0.3	2.6 ± 0.3	<0.001	2.3 ± 0.3	2.5 ± 0.3	2.5 ± 0.3	<0.001
Vitamin B2 (mg/d)	1.6 ± 0.3	1.9 ± 0.2	2.2 ± 0.2	<0.001	1.7 ± 0.3	2.0 ± 0.3	2.1 ± 0.3	<0.001
Vitamin B3 (mg/d)	25.7 ± 4.6	27.8 ± 3.7	28.6 ± 3.4	<0.001	26.8 ± 4.6	27.8 ± 3.8	27.6 ± 3.9	0.23
Vitamin B6 (mg/day)	1.4 ± 0.3	1.7 ± 0.2	1.8 ± 0.1	<0.001	1.4 ± 0.3	1.7 ± 0.2	1.9 ± 0.2	<0.001
Folate (μg/day)	339.1 ± 68.6	416.5 ± 63.0	492.6 ± 63.9	<0.001	333.0 ± 60.8	427.0 ± 62.6	488.2 ± 68.6	<0.001
Vitamin E	6.9 ± 2.6	7.4 ± 2.1	7.0 ± 1.4	0.2	7.6 ± 2.9	6.8 ± 1.8	7.0 ± 1.2	0.14
Phosphorus	1241.0 ± 242.2	1474.8 ± 139.7	1641.7 ± 122.6	<0.001	1279.7 ± 237.5	1516.6 ± 214.9	1561.2 ± 162.2	<0.001
Selenium	0.05 ± 0.01	0.06 ± 0.01	0.06 ± 0.01	<0.001	0.05 ± 0.01	0.06 ± 0.01	0.06 ± 0.01	<0.01
Magnesium (mg/d)	281.7 ± 48.9	332.6 ± 29.4	372.3 ± 33.3	<0.001	284.2 ± 46.6	333.3 ± 35.2	369.2 ± 37.9	<0.001
Potassium (mg/d)	3225.4 ± 589.6	3772.7 ± 380.4	4158.9 ± 363.1	<0.001	3182.9 ± 518.7	3745.1 ± 352.1	4228.9 ± 349.1	<0.001
Vitamin C	113.0 ± 29.4	140.9 ± 27.9	163.4 ± 28.5	<0.001	100.8 ± 16.0	137.2 ± 13.7	179.2 ± 14.0	<0.001
Zinc (mg/day)	8.4 ± 1.6	10.4 ± 0.8	11.9 ± 0.8	<0.001	9.0 ± 1.8	10.7 ± 1.6	11.0 ± 1.2	<0.001
Food groups(g/day)
Refined grains	504.0 ± 155.2	519.1 ± 157.8	488.8 ± 140.1	0.43	558.1 ± 147.4	483.0 ± 155.3	470.8 ± 136.8	<0.001
Whole grains	81.4 ± 86.8	80.0 ± 85.2	85.7 ± 64.0	0.87	60.2 ± 66.8	111.7 ± 96.2	74.9 ± 61.0	<0.01
Fruits	287.1 ± 113.3	358.5 ± 119.1	420.4 ± 83.7	<0.001	232.2 ± 61.4	357.9 ± 79.8	475.9 ± 53.2	<0.001
Vegetables	218.8 ± 66.3	268.0 ± 70.6	346.2 ± 101.5	<0.001	196.7 ± 50.9	264.5 ± 48.9	371.8 ± 85.4	<0.001
Eggs	50.9 ± 24.4	69.2 ± 32.8	78.7 ± 37.2	<0.001	57.7 ± 30.9	76.9 ± 34.8	64.2 ± 33.3	<0.01
Red meats	35.3 ± 22.3	41.8 ± 22.1	43.3 ± 16.3	0.03	44.8 ± 23.1	41.1 ± 22.3	34.5 ± 14.3	<0.01
Processed meats	12.2 ± 15.2	13.3 ± 14.3	8.1 ± 11.2	0.02	18.1 ± 16.9	11.2 ± 11.6	4.4 ± 7.8	<0.001
Fish	15.2 ± 10.3	23.0 ± 13.6	30.8 ± 10.8	<0.001	12.9 ± 6.8	24.3 ± 11.5	31.8 ± 13.1	<0.001
Poultry	45.4 ± 17.4	51.7 ± 16.7	67.6 ± 22.0	<0.001	44.5 ± 13.5	55.5 ± 17.6	64.7 ± 25.2	<0.001
Legumes	108.0 ± 33.4	131.9 ± 40.9	162.1 ± 36.7	<0.001	97.3 ± 26.3	141.8 ± 37.9	162.9 ± 35.0	<0.001
Nuts	22.3 ± 14.1	32.4 ± 12.9	36.2 ± 9.6	<0.001	22.0 ± 13.2	31.8 ± 11.2	37.2 ± 11.8	<0.001
LowLow-fatiry	129.6 ± 70.4	149.4 ± 71.4	188.8 ± 53.2	<0.001	105.7 ± 64.3	180.8 ± 60.9	181.4 ± 55.3	<0.001
HigHigh-fatiry	143.6 ± 88.0	122.3 ± 50.0	133.3 ± 45.3	0.11	158.3 ± 82.9	123.1 ± 47.39	117.8 ± 49.4	<0.01

Data are presented as mean ± SD.

^aObtained from ANOVA.