Table 1.
Socioeconomic characteristics of preschoolers with Down Syndrome, and prevalence of VAD determined by the RDR test. Ribeirão Preto 2009-2011. Brazil.
| Variables | n | % | Prevalence of VAD (95%CI) |
|---|---|---|---|
| Sex | |||
| Female | 26 | 55.3 | 26.9 (11.5 – 47.8) |
| Male | 21 | 44.7 | 23.8 (8.2 – 47.2) |
| Age (months) | |||
| < 40 | 23 | 48.9 | 17.4 (4.9 – 38.8) |
| ≥ 40 | 24 | 51.1 | 33.3 (15.6 – 55.3) |
|
Maternal schooling (years of study successfully completed) |
|||
| < 8 | 6 | 12.8 | 16.7 (0.4 – 64.1) |
| ≥ 8 | 41 | 87.2 | 26.8 (14.2 – 42.9) |
|
Paternal schooling (years of study successfully completed) |
|||
| < 8 | 10 | 21.3 | 10.0 (0.2 – 44.5) |
| ≥ 8 | 37 | 78.7 | 29.7 (15.8 – 46.9) |
|
Monthly family income (Brazilian minimum wages) |
|||
| ≤ 3 | 26 | 55.3 | 15.4 (4.4 – 34.9) |
| ˃ 3 | 21 | 44.7 | 38.1 (18.1 – 61.6) |
| N° of household persons | |||
| ≤ 4 | 30 | 63.8 | 30.0 (14.7 – 49.4) |
| ˃ 4 | 17 | 36.2 | 17.6 (3.8 – 43.4) |
VAD, vitamin A deficiency; RDR, relative dose-response; 95%CI, 95% confidence interval.