Skip to main content
. 2020 Sep 21;103(5):2116–2126. doi: 10.4269/ajtmh.19-0773

Table 4.

Frequency of hand cleansing during structured observations, among mothers and other household members, by treatment arm

Mothers
Week 1 observation Week 3 observation
Control (n = 107) Intervention (n = 105) RR (95% CI) P-value Control (n = 117) Intervention (n = 118) RR (95% CI) P-value
(P-value) (P-value)
Handwashing with water ≥ one time, n (%) 75 (70) 60 (57) 0.8 (0.7, 1.0) 0.05 80 (68) 71 (60) 0.9 (0.7, 1.1) 0.19
Mean number of times (SD) 1.6 (1.5) 1.2 (1.3) −0.4 (−0.8, −0.04) 0.03 1.4 (1.2) 1.3 (1.4) −0.02 (−0.3, 0.3) 0.9
Handwashing with chlorhexidine ≥ one time (SD) 0 (0) 67 (64) < 0.0001 0 (0) 80 (68) < 0.0001
Mean number of times (SD) 0 (0) 1.4 (1.5) 1.4 (1.1, 1.7) < 0.0001 0 (0) 1.4 (1.4) 1.4 (1.1, 1.6) < 0.0001
Handwashing with soap ≥ one time (SD) 32 (30) 25 (24) 0.8 (0.5, 1.2) 0.3 38 (32) 34 (29) 0.9 (0.6, 1.3) 0.5
Mean number of times (SD) 0.3 (0.5) 0.3 (0.7) −0.02 (−0.2, 0.2) 0.8 0.5 (0.8) 0.5 (1.0) 0.005 (−0.2, 0.2) 0.9
Handwashing with soap or chlorhexidine ≥ one time (SD) 32 (30) 73 (70) 2.3 (1.7, 3.2) < 0.0001 38 (32) 92 (78) 2.4 (1.8, 3.2) < 0.0001
Mean number of times (SD) 0.3 (0.5) 1.7 (1.7) 1.4 (1.1, 1.7) < 0.0001 0.5 (0.8) 1.9 (1.7) 1.4 (1.1, 1.7) < 0.0001
All other household members (non-mothers)
Week 1 observation Week 3 observation
Control (n = 105) Intervention (n = 105) RR/β (95% CI) P-value Control (n = 114) Intervention (n = 117) RR/β (95% CI) P-value
(P-value) (P-value)
Handwashing with water ≥ one time, n (%) 89 (85) 87 (83) 0.98 (0.9, 1.1) 0.71 89 (78) 95 (81) 1.0 (0.9, 1.2) 0.56
Mean number of times (SD) 3.8 (3.6) 3.6 (3.7) −0.2 (−1.2, 0.8) 0.67 3.5 (4.2) 3.0 (2.8) −0.5 (−1.4, 0.5) 0.32
Handwashing with chlorhexidine ≥ one time (SD) 0 (0) 53 (50) < 0.0001 0 (0) 43 (37) < 0.0001
Mean number of times (SD) 0 (0) 0.9 (0.9) 0.9 (0.7, 1.1) < 0.0001 0 (0) 0.46 (0.7) 0.5 (0.3, 0.6) < 0.0001
Handwashing with soap ≥ one time (SD) 26 (25) 23 (22) 0.9 (0.5, 1.4) 0.62 23 (20) 24 (21) 1.0 (0.6, 1.7) 0.95
Mean number of times (SD) 0.3 (0.7) 0.3 (0.8) −0.03 (−0.2, 0.2) 0.78 0.3 (0.7) 0.2 (0.5) −0.1 (−0.2, 0.1) 0.37
Handwashing with soap or chlorhexidine ≥ one time (SD) 26 (25) 63 (60) 2.4 (1.7, 3.5) < 0.0001 23 (20) 58 (50) 2.5 (1.6, 3.7) < 0.0001
Mean number of times (SD) 0.33 (0.7) 1.2 (1.5) 0.6 (0.4, 0.8) < 0.0001 0.3 (0.7) 0.7 (0.8) 0.4 (0.2, 0.6) 0.0001