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Table 4 Dietary intake of nutrients in different tertiles (T) of the DII

From: Association between dietary insulin index and postmenopausal osteoporosis in Iranian women: a case-control study

Nutrients

Total Mean ± SD

(n = 440)

Tertiles of DII

P-value a

T1

(n = 125)

T2

(n = 126)

T3

(n = 129)

Energy intake (Kcal/day)

2648.87 ± 876.30

2887.86 ± 854.90

2579.90 ± 858.44

2484.66 ± 870.87

0.001

Protein (gr/day)

87.67 ± 29.09

92.36 ± 28.82

86.26 ± 28.21

84.51 ± 29.83

0.079

Carbohydrate (gr/day)

358.43 ± 116.05

363.99 ± 113.01

341.13 ± 105.62

369.93 ± 127.08

0.113

Total fat (gr/day)

93.75 ± 41.14

116.25 ± 42.21

91.03 ± 36.54

74.61 ± 33.31

< 0.001

Cholesterol (mg/day)

282.85 ± 331.31

291.50 ± 162.90

277.42 ± 161.74

279.78 ± 523.10

0.937

Saturate fatty acid (gr/day)

30.04 ± 16.06

36.57 ± 13.99

29.42 ± 13.84

24.32 ± 17.65

< 0.001

MUFA (gr/day)

32.90 ± 17.24

41.02 ± 15.86

31.19 ± 13.32

26.70 ± 18.89

< 0.001

PUFA (gr/day)

20.72 ± 11.04

25.61 ± 11.94

19.47 ± 8.66

17.21 ± 10.60

< 0.001

Vitamin A (RAE/day)

753.09 ± 672.34

839.01 ± 556.34

740.61 ± 461.39

682.04 ± 904.59

0.172

Alpha-carotene (mg/day)

742.54 ± 1072.42

608.27 ± 922.41

837.74 ± 1066.84

779.67 ± 1200.71

0.212

Beta-cryptoxanthin (mg/day)

247.50 ± 298.14

180.74 ± 209.40

265.72 ± 279.56

294.40 ± 370.80

0.007

Vitamin C (mg/day)

138.69 ± 143.40

117.58 ± 98.88

140.20 ± 108.03

157.66 ± 198.03

0.083

Vitamin E (mg/day)

14.56 ± 6.77

16.77 ± 6.37

13.93 ± 5.45

13.02 ± 7.73

< 0.001

Vitamin D (µg/day)

2.60 ± 2.47

3.18 ± 2.40

2.68 ± 2.20

1.97 ± 2.64

< 0.001

Calcium (mg/day)

1168.71 ± 604.31

1241.40 ± 561.25

1174.10 ± 513.85

1093.02 ± 712.27

0.146

Phosphorus (mg/day)

1735.55 ± 484.92

1787.99 ± 630.98

1663.02 ± 631.42

1755.58 ± 1162.14

0.481

Magnesium (mg/day)

480.60 ± 267.71

478.68 ± 188.73

449.27 ± 189.86

513.06 ± 374.79

0.163

Zinc (mg/day)

13.68 ± 7.12

13.96 ± 5.40

13.03 ± 5.20

14.04 ± 9.73

0.451

Manganese (mg/day)

7.87 ± 4.55

7.72 ± 3.33

6.82 ± 3.52

9.03 ± 5.99

< 0.001

Selenium (mg/day)

148.19 ± 85.18

153.66 ± 60.99

129.20 ± 61.60

161.43 ± 116.67

0.007

  1. Abbreviations: Kcal, kilo calorie; gr, gram; mg, milligram; µg, microgram; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; RAE, retinol activity equivalent
  2. a One-way ANOVA was used for continuous variables