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 |