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Table 1 Characteristics of the subjects according to maternal education, paternal education, and household income

From: Effects of maternal education on diet, anemia, and iron deficiency in Korean school-aged children

Variable

Maternal education

 

Paternal education

 

Household income

 
 

Low

(n= 268)

High

(n= 449)

 

Low

(n= 191)

High

(n= 526)

 

Low

(n= 207)

High

(n= 510)

 
 

Mean

SD

Mean

SD

P

Mean

SD

Mean

SD

P

Mean

SD

Mean

SD

P

Sex (M/F), n

135/133

227/222

0.9620a

94/97

268/258

 

95/112

267/243

 

Height

140.0

6.66

140.1

5.93

0.0516b

139.9

6.74

140.1

6.01

0.0880

140.0

6.83

140.0

5.95

0.9524

Weight

36.7

8.23

36.1

7.18

0.9935

36.7

8.01

36.2

7.43

0.9508

35.9

7.77

36.5

7.52

0.5912

BMI (kg/m2)

18.6

3.14

18.3

2.80

0.3404

18.6

3.06

18.3

2.89

0.3861

18.2

2.81

18.5

2.98

0.4619

WBC

6.8

1.87

6.3

1.50

0.0005

6.8

1.92

6.4

1.54

0.0052

6.7

1.83

6.4

1.58

0.0352

RBC

4.64

0.61

4.72

0.47

0.2433

4.68

0.57

4.70

0.51

0.6494

4.65

0.59

4.71

0.50

0.1739

Glucose

86.5

7.3

85.1

7.0

0.1043

86.9

7.7

85.1

6.9

0.0366

85.6

7.9

85.6

6.8

0.8853

ALT

16.5

17.3

14.7

6.9

0.0320

15.9

15.1

15.2

10.6

0.3626

14.5

11.3

15.7

12.2

0.3264

SBP

108.0

13.0

100.3

12.3

<.0001

109.7

13.4

100.8

12.2

<.0001

107.0

13.0

101.6

12.8

<.0001

DBP

70.4

8.8

67.7

9.2

0.0005

71.3

8.8

67.7

9.1

<.0001

69.9

9.1

68.2

9.1

0.0116

Iron (μg/dl)

99.3

36.3

101.6

34.8

0.3363

98.3

36.2

101.6

35.1

0.2217

98.0

36.6

101.8

34.8

0.1498

Total iron-binding capacity (μg/dl)

340.2

61.7

345.8

47.9

0.0589

338.2

65.3

345.7

48.4

0.0321

341.5

59.0

344.6

51.1

0.4808

TS (%)

29.5

10.4

29.6

10.1

0.9351

29.4

10.1

29.7

10.3

0.7729

29.0

10.6

29.8

10.0

0.2845

Ferritin (μg/l)

40.1

20.2

38.7

20.0

0.5313

38.8

20.7

39.4

19.8

0.5076

38.2

20.5

39.7

19.9

0.4127

Serum transferrin receptor (mg/l)

2.13

0.72

2.05

0.54

0.0587

2.13

0.72

2.06

0.57

0.1051

2.11

0.66

2.07

0.59

0.2546

Hemoglobin (g/dl)

13.0

1.64

13.3

1.26

0.0660

13.1

1.53

13.2

1.38

0.5260

13.1

1.58

13.2

1.35

0.0785

Anemia c ( n , %)

29 (10.8)

28 (6.2)

0.0324d

20 (10.5)

37 (7.0)

0.1589

20 (9.7)

37 (7.3)

0.2883

Iron deficiency e ( n , %)

12 (4.48)

8 (1.78)

0.0577

9 (4.71)

11 (2.09)

0.0724

9 (4.35)

11 (2.16)

0.1318

Iron-deficiency anemia f ( n , %)

1 (0.37)

1 (0.22)

 

0

2 (0.38)

  

0

2 (0.39)

 

Anemia & iron deficiency

40 (14.9)

35 (7.8)

0.0035

29 (15.2)

46 (8.8)

0.0183

29 (14.0)

46 (

9.0)

0.0588

  1. BMI body mass index
  2. a P value by chi-square test
  3. b P-value by generalized linear model adjusted by age and sex
  4. cAnemia: hemoglobin <11.5 g/dl(1)
  5. d P value by Fisher's exact test
  6. eIron deficiency: iron < 40 μg/dl(22)
  7. fIron-deficiency anemia: hemoglobin <11.5 g/dl and iron <40 μg/dl
  8. Subjects were measured for SBP and DBP by maternal educational level (low = 267, high = 448), paternal educational level (low = 190, high = 525), and household income level (low = 205, high = 510)
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BMC Public Health

ISSN: 1471-2458

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