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Table 2 Pre-post comparison cumulative incidence of drowning by treatment category

From: Large-scale evaluation of interventions designed to reduce childhood Drownings in rural Bangladesh: a before and after cohort study

VariablesBaseline Period (2012–2013)Post Implementation Period (2014–2016)Pre-post comparison
Population (N = 48,561)
n (%)
Drowninga (N = 78)
n (%)
Age-adjusted cumulative incidence per 100,000 population per year (95% CI)Population (N = 122,032)
n (%)
Drowningb (N = 105)
n (%)
Age-adjusted cumulative incidence per 100,000 population per year (95% CI)Cumulative incidence ratioc (95% CI)P-value
Treatment categoryd
 Playpen only (aged 9–35 months)1150 (2.36)0 (0)05981 (4.90)22 (20.95)183.92 (121.15, 279.03)00
 Crèche only (aged 9–47 months)37,769 (77.78)78 (100)206.10 (138.70, 318.00)70,594 (57.85)66 (62.86)46.15 (28.86, 74.34)0.12 (0.05, 0.29)< 0.0001
 Dual treatment (aged 9–47 months)8592 (17.69)0 (0)039,479 (32.35)8 (7.62)10.13 (5.07, 20.30)00
  1. aDrowning information obtained over 1-year recall period
  2. bDrowning information obtained over an average 2-year implementation period
  3. cCumulative incidence ratios was adjusted for sex, age, and study area using Poisson regression model with Generalized Estimating Equations (GEE)
  4. dChildren aged 0–8 months were not assigned to any intervention under the treatment arm