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Table 1 General characteristics of children studied for micronutrient deficiencies and children participating in the total survey

From: Prevalence of anemia and deficiency of iron, folic acid, and zinc in children younger than 2 years of age who use the health services provided by the Mexican Social Security Institute

 

Regular Regimen (RR)

IMSS-Oportunidades (IO)

 

Micronutrient sample

Survey sample

Micronutrient sample

Survey sample

 

Mean

95% CI

Mean

95% CI

Mean

95% CI

Mean

95% CI

Age (months)

11.4

10.6, 13.4

8.6a

8.0, 9.2

13.4

12.3, 14.6

10.7a

12.3, 14.6

< 6 (%)

13.2

8.5, 19.7

37.7

33.0, 42.7

4.9

2.8, 8.2

27.6

24.6, 30.8

6–11

38.2

34.8, 41.7

38.2

30.6, 34.6

31.0

24.0, 39.1

27.1

25.6, 28.7

12–23

48.7

41.8, 55.6

29.7

26.1, 33.6

64.1

57.4, 70.2

45.3

42.4, 48.3

Sex Male (%)

50.4

48.4, 52.4

51.5

50.6, 52.4

51.8

48.8, 54.8

51.2

49.5, 52.9

Weight for age (Z score)

-0.151

-0.308, 0.005

0.072

-0.04, 0.188

-0.604

-0.615, -0.393

-0.318b

-0.454, -0.186

Height for age (Z score)

-0.188

-0.297, -0.078

-0.119

-0.278, 0.039

-1.164

-1.585, -0.743

-0.873

-1.052, -0.694

Characteristics of mothers

        

Years of study

9.0

8.5, 9.6

9.2

8.8, 9.5

5.3

4.4, 6.1

5.3

4.8, 5.7

Work outside home (%)

24.4

18.4, 31.5

25.6

21.8, 29.8

8.2

6.5, 10.3

9.8

7.2, 13.2

Characteristics of fathers

        

Years of study

9.2

8.7, 9.7

9.3

8.9, 9.7

5.3

4.5, 6.2

5.5

5.1, 5.9

Occupation (%):

        

General services

3.6

3.1, 5.2

4.0

2.3, 5.6

1.3

0.9, 2.0

1.2

0.9, 1.6

Manual laborer

27.4

23.2, 28.4

25.7

23.1, 32.1

29.0

21.9, 37.2

28.6

21.2, 37.4

Clerk

51.4

48.8, 58.0

53.4

43.0, 59.8

7.8

4.7, 12.6

7.3

4.6, 11.6

Small business owner

4.6

4.2, 5.8

4.9

3.2, 4.2

4.4

2.8, 6.9

4.6

2.8, 7.5

Technician

6.7

4.7, 6.4

5.5

5.3, 8.3

0.7

0.4, 1.1

0.6

0.3, 1.0

Professional

5.2

3.7, 5.6

4.5

3.0, 9.0

2.1

1.4, 3.1

2.2

1.4, 3.4

Art and culture

0.4

0.3, 0.7

0.5

0.2, 1.0

0.3

0.2, 0.5

0.3

0.1, 0.5

Land and agriculture

0.7

0.8, 2.5

1.4

0.3, 1.6

52.9

43.6, 62.0

53.7

44.8, 62.4

Migrant

    

1.3

0.7, 2.6

1.5

0.7, 2.9

  1. 95% CI: 95% confidence interval
  2. a p < 0.001 b p = 0.018