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Table 4 Interaction between WASH related variables for childhood undernutrition (n = 2320)

From: Water, sanitation and hygiene practices associated with improved height-for-age, weight-for-height and weight-for-age z-scores among under-five children in Nepal

  Height-for-age Weight-for-height Weight-for-age
Improved sanitation availabilitya With water purification Without water purification p -value for interaction With water purification Without water purification p -value for interaction With water purification Without water purification p-value for interaction
0.44 (−0.55, 1.43) 0.21 (−0.06, 0.48) 0.28 0.31 (−0.53, 1.15) 0.20 (− 0.04, 0.44) 0.55 0.67 (− 0.11, 1.45) 0.29 (0.11, 0.47)** 0.25
Water purificationb With soap and water Without soap and water   With soap and water Without soap and water   With soap and water Without soap and water  
0.07 (−0.21, 0.34) − 0.10 (− 0.46, 0.26) 0.87 0.28 (0.05, 0.51)* 0.15 (− 0.09, 0.38) 0.28 0.22 (0.02, 0.44)* − 0.05 (− 0.27, 0.18) 0.16
Soap and water availabilityc With improved sanitation Without improved sanitation   With improved sanitation Without improved sanitation   With improved sanitation Without improved sanitation  
0.69 (−0.07, 0.21) 0.07 (−0.36, 0.49) 0.39 0.14 (0.01, 0.27)* 0.04 (−0.24, 0.31) 0.36 0.15 (0.04, 0.26)** 0.08 (−0.25, 0.40) 0.97
  1. aAdjusted for child’s birth weight, child’s age, child’s sex wealth quintiles, use of clean fuel, sex of household head, ecological region, area of residence, women’s age, women's marital status, women’s education, women’s smoking status, women’s BMI, ANC 4th visits, institutional delivery, frequency of watching TV, child's diarrhea incidence over past 2 weeks and household water and soap availability
  2. b Adjusted for child’s birth weight, child’s age, child’s sex wealth quintiles, use of clean fuel, sex of household head, ecological region, area of residence, women’s age, women's marital status, women’s education, women’s smoking status, women’s BMI, ANC 4th visits, institutional delivery, frequency of watching TV, child's diarrhea incidence over past 2 weeks and household sanitation availability
  3. c Adjusted for child’s birth weight, child’s age, child’s sex wealth quintiles, use of clean fuel, sex of household head, ecological region, area of residence, women’s age, women's marital status, women’s education, women’s smoking status, women’s BMI, ANC 4th visits, institutional delivery, frequency of watching TV, child's diarrhea incidence over past 2 weeks and household water purification practice
  4. *p < 0.05; **p < 0.01