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Table 6 Zinc concentration and prevalence of low zinc concentration, by region, age group, and care regimen

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)

   

Zinc concentration μ/dL

Prevalence of low zinc concentration*

  

Zinc concentration μ/dL

Prevalence of low zinc concentration*

Region/Age Groups

n

N

Mean

95% CI

%

95% CI

n

N

Mean

95% CI

%

95% CI

North

            

< 6 months

94

46028

82.8

76.6, 89.0

20.6

8.1, 43.3

60

406

83.1

61.3, 104.9

35.2

11.0, 70.5

6–11 months

289

151419

86.4

74.0, 98.8

22.7

10.2, 43.2

126

1104

84.0

70.7, 97.3

21.6

6.3, 53.1

12–23 months

330

189064

81.6

66.3, 96.9

31.2

14.6, 54.5

307

2914

83.0

78.5, 87.6

21.1

8.8, 42.7

Total North

713

386511

83.6

70.8, 96.4

26.6 a

11.6, 50.1

493

4425

83.3

75.5, 91.0

22.5 a

8.2, 48.7

Center

            

< 6 months

148

55798

76.3

70.5, 82.1

34.6

20.3, 52.2

33

981

72.5

49.9, 95.1

63.2

30.1, 87.2

6–11 months

293

123937

76.1

68.9, 83.2

31.3

23.1, 41.0

131

3516

79.8

73.2, 86.5

29.4

21.4, 38.8

12–23 months

351

178793

75.1

73.3, 76.9

32.3

25.6, 39.8

315

9230

79.7

74.3, 85.1

26.6

19.2, 35.6

Total Center

792

339398

75.6

71.7, 79.6

32.4 a

26.0, 39.4

479

13727

79.2

75.4, 83.0

29.9 a

24.1, 36.5

South

            

< 6 months

29

15312

72.4

64.8, 79.9

38.1

21.2, 58.5

25

6605

87.5

74.9, 100.2

5.9

1.4, 22.1

6–11 months

247

81878

77.7

72.7, 82.7

25.6

17.3, 36.2

100

25968

91.6

84.7, 98.5

14.4

6.6, 28.8

12–23 months

404

124130

78.6

71.6, 85.7

26.1

18.4, 35.6

211

55166

90.4

82.9, 97.9

9.0

3.2, 22.8

Total South

680

222491

77.9

71.8, 83.9

26.6 a

18.4, 36.8

336

87740

90.5

84.3, 96.8

10.4 a

5.2, 19.5

Mexico City and periurban area

            

< 6 months

60

28968

87.5

70.4, 104.5

20.2

4.0, 60.6

      

6–11 months

161

82599

81.6

65.2, 98.0

25.6

19.0, 33.6

      

12–23 months

198

89905

88.2

73.0, 103.3

22.5

11.8, 38.8

      

Total Mexico City and periurban area

419

211391

85.4

69.1, 101.7

24.0 a

12.8, 40.4

      

NATIONAL

            

< 6 months

331

146106

80.1

74.3, 85.9

27.7

16.6, 42.4

118

7992

805

74.6, 96.3

14.4

6.7, 28.3

6–11 months

990

439833

81.0

74.9, 87.1

26.2

19.6, 34.2

357

30588

90.0

83.7, 96.2

16.4

9.0, 27.8

12–23 months

1283

581893

80.0

74.4, 85.6

29.1

22.2, 37.1

833

67311

88.6

82.4, 94.9

12.0

6.2, 21.7

TOTAL NATIONAL

2604

1179791

80.4

74.9, 85.8

27.9 b

20.9, 36.1

1332

108912

88.8

83.6, 94.0

13.4 b

8.3, 21.0

  1. N Population size (expanded sample)
  2. * Zinc concentration < 65 μ/dL
  3. a Comparing between regions within each regimen, RR = 0.746; IO = 0.003.
  4. b Comparing between regimens, national level, p = 0.005