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Table 2 Number of episodes and incidence of diarrhea in control and intervention arms by age group of under-five children in rural Dire Dawa, eastern Ethiopia, from October 2018 through January 2019

From: Effect of household water treatment with chlorine on diarrhea among children under the age of five years in rural areas of Dire Dawa, eastern Ethiopia: a cluster randomized controlled trial

Age group (years)

Control arm (n = 202)

Intervention arm (n = 203)

Number of diarrhea episodes

PWO

Diarrhea incidence (%)

Number of diarrhea episodes

PWO

Diarrhea incidence (%)

Percentage of reduction (%)

<  1

36

240

15.0

73

848

8.6

42.7

1–2

180

1328

13.6

188

2192

8.6

36.8

3–4

230

1664

13.8

20

208

9.6

30.4

<  5

446

3232

13.8

281

3248

8.7

37.0

  1. PWO person-week observation, Diarrhea incidence = number of diarrhea episodes/100 person- week observation