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Table 4 The mean change on birth preparedness practices

From: Improving pregnant women’s knowledge on danger signs and birth preparedness practices using an interactive mobile messaging alert system in Dodoma region, Tanzania: a controlled quasi experimental study

VariablesControlInterventionP-valueCohen’s d effect size
Mean score (SD)95% CI (lower –upper)Mean score (SD)95% CI (lower –upper)
IBPACR
 Pre-test1.95(1.205)1.736–2.0341.97(1.102)1.706–2.2640.887 
 Post-test2.631 (1.775)2.474–2.7884.165 (1.365)3.942–4.3870.0000.9
  1. *Ancova test results