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Table 2 Spot checks of sanitation and handwashing facilities during structured observations, rural Bangladesh, 2014

From: Achieving optimal technology and behavioral uptake of single and combined interventions of water, sanitation hygiene and nutrition, in an efficacy trial (WASH benefits) in rural Bangladesh

Indicators

(%)

n

Control

Water

Sanitation

Handwashing

Nutrition

WSH

Nutrition+WSH

(%) N = 108

(%)

N = 54

RDa (95%CI) p value

(%) N = 55

RD

(95% CI)

p value

(%) N = 53

RD

(95% CI)

p value

(%)

N = 54

RD

(95% CI) p value

(%) N = 53

RD

(95% CI)

p value

(%) N = 55

RD

(95% CI)

p value

Sanitation observation

 Presence of functional water seal in latrine

(23) 25

(30) 16

6 (−8, 21) 0.38

(95) 52

71 (61, 81) < .001

(32) 17

9 (−6,24), 0.24

(28) 15

5 (−9,19) 0.52

(98) 52

75 (66,84) < .001

(95) 52

71 (61,81) < .001

 Stool visible on slab or floor or outside

(62) 67

(69) 37

6 (−9,-22) 0.41

(38) 21

−24 (−39,-8) 0.003

(55) 29

−7 (− 23,9) 0.38

(56) 30

−6 (− 22,-9) 0.43

(26) 14

−35 (−50,-20) < .001

(24) 13

−38 (−52,-24) < .001

 Presence of hygienic latrineb

(14) 15

(17) 9

3 (− 9,14) .64

(60) 33

46 (30,60) < .001

(19) 10

5 (− 7,17) .43

(19) 10

4 (− 7,17) .46

(72) 38

58 (44,71) < .001

(71) 39

57 (43,70) < 0.001

 Human feces observed in the surrounding compound

(30) 32

(19) 10

−11 (−24,2) 0.10

(21) 12

− 8 (− 21,6) 0.27

(32) 17

2 (−12,18) 0.75

(39) 21

9 (− 6,25) 0.24

(13) 7

− 16 (−29,−4) 0.01

(26) 14

-4 (− 18,10) 0.57

 Animal feces observed in the compound

(92) 99

(93) 50

1.0 (−8,10) 0.84

(85) 47

−6.2 (−17,4) 0.25

(96) 51

4.6 (− 3,12) 0.22

(94) 51

2.8 (− 5,11) 0.50

(85) 45

−6.8 (− 18,4) 0.23

(89) 49

− 2.6 (− 12,7) 0.61

Handwashing observation

 Handwashing station near the kitchen

  Presence of handwashing station

(83) 90

(85) 46

2 (−10,13) 0.76

(84) 46

.3 (− 11,12) 0.96

(89) 47

5 (−5,16) 0.34

(87) 47

4 (−7,15) 0.50

(89) 47

5 (−5,-16) 0.35

(87) 48

4 (− 7,15) 0.50

  Presence of water

(82) 89

(85) 46

3 (−9,14) 0.64

(84) 46

1 (−10,13) 0.84

(75) 40

−12 (−27,1) 0.08

(87) 47

4 (− 7,16) 0.80

(81) 43

−1 (− 14,11) 0.84

(75) 41

−8 (− 21,05) 0.25

  Presence of soap/soapy water

(19) 21

(15) 8

−4 (− 16,7) 0.45

(18) 10

−1 (− 14,11) 0.84

(74) 39

52 (38,66) < .001

(26) 14

7 (− 7,2) 0.36

(81) 43

61 (49,74) < .001

(76) 42

57 (43,70) < .001

  Presence of water and soap

(19) 21

(15) 8

− 4 (− 16,7) 0.45

(18) 10

− 1 (− 14,11) 0.84

(64) 34

43 (23,58) < .001

(26) 14

6 (− 7,20) 0.36

(76) 40

56 (42,70) < .001

(69) 38

49 (35,64) < 0.001

 Handwashing station near the latrine

  Presence of handwashing station

(19) 20

(13) 7

−5 (−17,6) 0.35

(5.5) 3

− 13 (− 22,-3) 0.007

(89) 47

71 (59,81) < .001

(7.4) 4

− 11 (− 21,-1) 0.03

(93) 49

74 (63,84) < .001

(91) 50

72 (62,83) < 0.001

  Presence of water

(17) 18

(13) 7

−4 (− 15,7) 0.52

(5.5) 3

− 11 (− 20,-2) 0.01

(74) 39

57 (43,70) < .001

(7.4) 4

−9 (− 19,0) 0.07

(83) 44

66 (54,78) 0.001

(78) 43

61 (48,74) < 0.001

  Presence of soap/soapy water

(5.6) 6

(9.3) 5

4 (− 5,12) 0.41

(0) 0

−5 (− 10,-1) 0.01

(79) 42

73 (62,85) < .001

(2.0) 1

−4 (− 9,2) 0.19

(87) 46

81 (71,93) < .001

(82) 45

76 (65,87) < 0.001

  Presence of water and soap

(4.6) 5

(9.3) 5

4 (− 4,13) 0.30

(0) 0

− 4 (− 8,-.7) 0.02

(66) 35

61 (48,74) < .001

(2.01) 1

− 3 (− 8,2) 0.31

(77) 41

72 (6,84) < .001

(73) 40

68 (56,80) < 0.001

  Presence of water and soap in at least one handwashing station

(21) 23

(22.2) 12

0.9 (−12,14) 0.13

(18) 10

− 3 (− 16,10) 0.63

(77) 41

54 (40,68) < .001

(28) 15

6 (−7,21) 0.37

(85) 45

64 (51,76) < .001

(85) 47

64 (52,76) < .001

  1. aRD (risk difference), confidence interval (CI), and p value calculated using generalized linear models (GLM) to measure the differences between each intervention arm and the control arms. Clustered sandwich estimator used for cluster adjustment; the unit of clustering was the repeated events in each observed household
  2. bHygienic latrine defined as presence of functional water seal and no visible feces on slab or floor inside