Table 2 Prevalence rates of reported diarrhea during the previous week among Indigenous children < 5 years of age, with prevalence ratios and confidence intervals, according to household and environmental (second level) characteristics

Flooring

  Ceramic or cement

Reference

  Wood

1.21–1.89

  Dirt

1.31–2.20

Walls

  Brick

Reference

  Wood

1.27–2.06

  Thatch or clay

1.30–2.06

  Canvas, plastic, or other

0.93–1.56

Roofing

  Clay tile

Reference

  Concrete or corrugated zinc/asbestos sheets

1.15–1.74

  Wood or thatch

0.30–1.14

  Canvas, plastic, or other

0.57–0.99

Number of household residents

  ≤4

Reference

  5 to 8

1.03–1.37

  ≥9

1.38–1.87

Number of household residents < 5 years

  1

Reference

  2 to 3

1.12–1.43

  ≥4

1.37–2.17

Predominant source of water used for drinking

  Municipal system

Reference

  Spring or artesian well

1.13–1.78

  Shallow well

1.13–2.24

  River, lake, or reservoir

2.18–3.25

  Others

1.24–1.99

Presence of faucet

  Inside the house

Reference

  Outside the house

1.01–1.49

  Other

1.33–2.04

Filtered drinking water

  Yes

Reference

  No

1.05–1.65

Chlorinated, boiled, filtered, or decanted drinking water

  Yes

Reference

  No

0.79–1.14

Predominant destination of human waste

  Sewage disposal system

Reference

  Septic system

1.32–2.69

  Rudimentary pit latrine

1.53–2.71

  River, lake, or ocean

0.53–4.46

Defecation location

  Indoor household facility

Reference

  Outdoor household facility

1.01–1.68

  Outdoors in the open or other

1.13–1.94

Predominant destination of household trash

  Collected by removal service

Reference

  Buried, discarded, or burned in the village

0.91–1.54

  Discarded in a river, lake, or ocean, or other

1.12–3.04