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Table 4 Sample size for before vs. after comparison of sick children aged 2–59 months correctly managed

From: Protocol for the evaluation of a complex intervention aiming at increased utilisation of primary child health services in Ethiopia: a before and after study in intervention and comparison areas

Indicator

Expected level at baseline

Children per group required for a 10, 15 or 20 percentage point increasea

Children correctly managmed

10

15

20

% of sick children aged 2–59 months who were correctly managed

50%

892

391

216

  1. aAssuming 80% power, design effect of 1.4, 90% completeness