Table 2 Coverage, use, and acceptability of filter at midline and endline in intervention group.

From: Effects of adding household water filters to Rwanda’s Community-Based Environmental Health Promotion Programme: a cluster-randomized controlled trial in Rwamagana district

 

Midline

Endline

Overall

Coverage

N

% (95% CI)

N

% (95% CI)

N

% (95% CI)

Filter observed in household

555

99.1 (97.9, 99.6)

563

97.9 (96.3, 98.8)

1,118

98.5 (97.6, 99.1)

Filter observed to be in good conditiona

532

94.0 (91.6, 95.7)

507

91.9 (89.2, 94.0)

1,039

93.0 (91.2, 94.4)

Use

Filter reported to be used currently

552

96.6 (94.7, 97.8)

551

93.6 (91.3, 95.4)

1,103

95.1 (93.7, 96.2)

Filter reported to be filled in last 7 days

543

96.9 (95.0, 98.0)

550

91.6 (89.0, 93.7)

1,093

94.2 (92.7, 95.5)

Storage container of filter observed to have water in it

544

81.4 (77.9, 84.5)

545

75.0 (71.2, 78.5)

1,089

78.2 (75.7, 80.6)

Drinking water sample provided reported to be treated by Lifestraw filter

447

94.6 (92.1, 96.4)

482

80.7 (76.9, 84.0)

929

87.4 (85.1, 89.4)

Report at least one young child drank filtered water yesterday

535

83.7 (80.4, 86.6)

523

78.8 (75.1, 82.1)

1,058

81.3 (78.8, 83.5)

Acceptabilityb

Appearance of filtered water

549

100

551

100

1,100

100

Smell of filtered water

550

99.1 (97.8, 99.6)

551

99.5 (98.3, 99.8)

1,101

99.3 (98.6, 99.6)

Taste of filtered water

548

99.5 (98.3, 99.8)

546

99.6 (98.5, 99.9)

1,094

99.5 (98.9, 99.8)

Time to filter water

549

91.4 (88.9, 93.5)

551

88.2 (85.2, 90.6)

1,100

89.8 (87.9, 91.5)

  1. N denotes the number of household observations in survey round.
  2. aGood condition refers to being observed to have been assembled properly, working tap, no leaking, undamaged container, adequate flowrate, and ability to backwash.
  3. bRespondent reported feature to be acceptable or very acceptable.
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