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Table 1 Characteristic of eligible participants

From: Correction to: Association between dietary acid load and the risk of hypertension among adults from South China: result from nutrition and health survey (2015–2017)

 

Overall (n = 3501)

Male (n = 1608)

Female (n = 1893)

Age (years)

52.0 ± 15.0

52.9 ± 15.2

51.2 ± 14.7

Ethnicity (N, %)

Han

3473 (99.2)

1599 (99.4)

1874 (99.0)

Other

28 (0.8)

9 (0.6)

19 (1.0)

BMI (Kg/m2)

23.4 ± 3.5

23.3 ± 3.4

23.4 ± 3.6

Nutrient intake

Protein (g/d)

65.9 ± 36.5

71.5 ± 40.4

61.1 ± 32.0

Calcium (mg/d)

1501.6 ± 603.9

1564.6 ± 579.3

1448.1 ± 619.1

Potassium (mg/d)

381.1 ± 211.1

389.4 ± 184.7

374.1 ± 231.0

Phosphorus (mg/d)

866.6 ± 298.7

926.2 ± 298.9

815.9 ± 289.1

Magnesium (mg/d)

238.4 ± 82.3

250.7 ± 83.3

228.0 ± 80.0

Sodium (mg/d)

4893.5 ± 3366.0

5228.2 ± 3400.4

4609.2 ± 3310.9

Total energy intake (Kcal/d)

1757.4 ± 566.5

1908.6 ± 604.8

1629.0 ± 497.1

PRAL (mEq/d)

22.1 ± 18.6

25.3 ± 20.2

19.4 ± 16.7

NEAP (mEq/d)

86.8 ± 53.9

90.4 ± 58.9

83.8 ± 49.1

DBP (mmHg)

131.0 ± 21.2

132.6 ± 20.1

129.6 ± 22.0

SBP (mmHg)

77.4 ± 11.5

79.1 ± 11.3

75.9 ± 11.5

Sedentary leisure time (h/d)

4.9 ± 2.8

5.1 ± 2.8

4.8 ± 2.7

Physical activity time (h/d)

1.1 ± 0.8

1.1 ± 0.8

1.0 ± 0.7

Hypertension (N, %)

1076 (30.7)

526 (32.7)

550 (29.1)

Smoking (N, %)

955 (27.3)

904 (56.2)

51 (2.7)

Alcohol (N, %)

1330 (38.0)

857 (53.3)

473 (25.0)

Education (N, %)

≤ 6 years

1674 (47.8)

612 (38.1)

1062 (56.1)

7–12 years

1482 (43.3)

924 (57.5)

761 (40.2)

≥ 13 years

345 (9.9)

72 (4.5)

70 (3.7)

Marital status (N, %)

Unmarried

329 (9.4)

151 (9.4)

178 (9.4)

Married

3172 (90.6)

1457 (90.6)

1715 (90.6)

  1. Footprint: BMI body mass index, PRAL potential renal acid load, NEAP net endogenous acid production, SBP systolic blood pressure, DBP diastolic blood pressure