Diarrhea and health inequity among Indigenous children in Brazil: results from the First National Survey of Indigenous People’s Health and Nutrition

Table 3 Prevalence rates of reported diarrhea during the previous week among Indigenous children < 5 years of age, with prevalence ratios and confidence intervals, according to maternal (third level) characteristics

Characteristic studied	N^†	Prevalence (%)	Crude PR	CI 95%
Maternal age (years)			p = 0.000*
<20	769	28.50	1.50	1.15–1.95
20 to 29	3005	23.43	1.25	0.98–1.58
30 to 39	1615	21.97	1.16	0.89–1.49
≥40	439	19.48	1.00	Reference
Number of children ever had			p = 0.786*
0 to 1	886	23.71	1.00	Reference
2 to 3	1926	22.60	0.96	0.79–1.16
≥4	3016	23.92	1.00	0.84–1.20

First National Survey of Indigenous People’s Health and Nutrition, Brazil, 2008–2009.
PR: Prevalence ratio.
CI: Confidence interval.
^†Maximum N for each category, which may vary between variables due to missing data.
*Student’s t-test for linear trend.

ISSN: 1471-2458