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Table 1 General characteristics of study participants by sex

From: No association between dietary magnesium intake and body composition among Iranian adults: a cross-sectional study

 

Total (n = 778)

Men (n = 232)

Women (n = 546)

p- value*

Age

44.9 ± 10.6

45.7 ± 9.73

44.6 ± 11.0

0.22

Education

   

0.02

  Under diploma

284 (36.5%)

88 (38%)

194 (35.5%)

 

  Diploma and higher

494 (63.5%)

144 (62%)

352 (64.5%)

 

Smoking status

   

 < 0.001

  Never or former smoker

739 (95%)

204 (88%)

535 (98%)

 

  Current smoker

39 (5%)

28 (12%)

11 (2%)

 

Physical activity

   

0.32

  Low

490 (63%)

138 (59.5%)

352 (64.5%)

 

  Moderate and higher

288 (37%)

94 (40.5%)

194 (35.5%)

 

Occupation

   

 < 0.001

  Employee

189 (24.3%)

91 (39.2%)

98 (18%)

 

  Housekeeper

449 (57.7%)

70 (30.2%)

379 (69.4%)

 

  Retired

116 (14.9%)

69 (29.7%)

47 (8.6%)

 

  Unemployed

24 (3.1%)

2 (0.9%)

22 (4%)

 

Marital status

   

 < 0.001

  Single

80 (10.3%)

19 (8.2%)

61 (11.3%)

 

  Married

635 (81.6%)

210 (90.5%)

425 (77.9%)

 

  Divorced

63 (8.1%)

3 (1.3%)

60 (11%)

 

Energy

2291 ± 737

2441 ± 682

2228 ± 751

 < 0.001

  Total Mg intake (mg/day)

272 ± 122

294 ± 140

262 ± 112

 < 0.001

  Magnesium intake/ 1000 kcal

125 ± 58.9

131 ± 76.2

123 ± 49.6

0.10

  1. Values are mean ± standard deviation for continuous variables and quantity and percent for categorical variables
  2. The p values resulted from the analysis of one-way analysis of variance for continuous variables and χ2 test for categorical variables
  3. *The p < 0.05 is significant