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Table 3 Adjusted Multivariable Regressions

From: An ecological quantification of the relationships between water, sanitation and infant, child, and maternal mortality

  Coefficient (95% Confidence interval (CI)) p-value
Predictor: proportion of population with access to improved water source a
   Under-five mortality rateb (per 1 000 live births) -1.17 (-1.26,-1.08)f < 0.001
   % under-five mortality due to diarrheaa, c OR: 0.46 (0.30, 0.70)g < 0.001
   IMRb (per 1 000 live births) -1.14 (-1.23,-1.05) 0.001
   MMRa, e (per 100 000 live births) OR: 0.58 (0.39, 0.86) 0.008
Predictor: proportion of population with access to improved sanitation a
   Under-five mortality rateb (per 1 000 live births) -1.66 (-1.32,-1.11) < 0.001
   % under-five mortality due to diarrheaa, c OR: 0.66 (0.41, 1.05) 0.08
   IMRd (per 1 000 live births) -1.66 (-1.32,-1.11) < 0.001
   MMRa, e (per 100 000 live births) OR: 0.52 (0.32, 0.85) 0.009
  1. avariable divided into quartiles
  2. blinear regression, controlled for GNI, fertility per woman, maternal mortality ratio, region of the world
  3. cordinal logistic regression, controlled for GNI, deaths due to diarrhea (1 000 s), MMR, region of the world
  4. dlinear regression GNI, fertility per woman, MMR, region of the world
  5. eordinal logistic regression controlled for GNI, fertility per woman,% births attended by skilled health personnel, region of the world
  6. fSample interpretation: under-five mortality rate is seen to decrease by 1.17 (95%CI 1.08, 1.26) with increasing quartile of percent of population with improved water access
  7. gSample interpretation: the estimated odds ratio that increased population quartile access to water is significantly associated with increased odds of under-five child mortality due to diarrhea is 0.46 (95%CI 0.30, 0.70)