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Table 2 Daily dietary intakes of participants among tertiles of dietary acid load

From: The association between dietary acid load and body composition in physical education students aged 18–25 years

Variables

Total

Tertiles of NEAP

P value*

Tertiles of PRAL

P value*

1

2

3

1

2

3

 < 61.41

61.41–88.24

 > 88.24

 < 23.46

23.46–44.79

 > 44.79

Number

207

69

69

69

 

69

69

69

 

Energy (kcal)

2370.19 ± 28.09

2498.49 ± 48.23

2423.64 ± 52.03

2188.44 ± 36.99

 < 0.0001"*"

2400.03 ± 51.59

2499.53 ± 46.99

2211.01 ± 40.87

 < 0.0001"*"

Protein (g)

112.76 ± 1.77

90.38 ± 2.39

119.98 ± 2.35

127.92 ± 2.43

 < 0.0001"*"

88.89 ± 2.09

116.87 ± 2.13

132.52 ± 2.15

 < 0.0001"*"

CHO (g)

279.61 ± 5.64

289.91 ± 8.78

276.69 ± 8.64

272.23 ± 8.94

0.351

292.52 ± 8.60

275.47 ± 8.75

270.84 ± 8.83

0.177

Fat (g)

92.15 ± 2.04

84.93 ± 2.81

98.16 ± 2.77

93.35 ± 2.87

0.004"*"

82.62 ± 2.69

92.58 ± 2.74

101.24 ± 2.77

 < 0.0001"*"

Potassium (mg)

2841.82 ± 51.74

3273.97 ± 54.33

3006.70 ± 53.51

2244.80 ± 55.32

 < 0.0001"*"

3050.61 ± 69.36

2900.57 ± 70.58

2574.30 ± 71.23

 < 0.0001"*"

Calcium (mg)

1202.81 ± 26.15

1145.16 ± 46.09

1243.08 ± 45.39

1220.18 ± 46.93

0.290

989.80 ± 40.79

1213.31 ± 41.50

1405.31 ± 41.89

 < 0.0001"*"

Magnesium (mg)

277.18 ± 5.36

267.20 ± 9.46

275.57 ± 9.32

288.78 ± 9.64

0.295

279.48 ± 9.25

261.07 ± 9.41

291.01 ± 9.50

0.088

Phosphorus (mg)

1654.23 ± 30.06

1578.43 ± 52.62

1707.69 ± 51.82

1676.56 ± 53.58

0.193

1358.30 ± 42.90

1638.20 ± 43.65

1966.18 ± 44.06

 < 0.0001"*"

  1. NEAP net endogenous acid production, PRAL potential renal acid load, CHO carbohydrate
  2. *Calculated by one-way ANOVA test for energy intake and ANCOVA test for other variables (adjusted for energy intake)
  3. “*”Significant p values
  4. Data presented as mean ± standard error