Abstract
Sekoni et al. [1] have investigated the effect of health education on willingness to undergo HIV screening among antenatal attendees in a teaching hospital in North Central Nigeria. In their quasi-experimental study, authors concluded that health education is a strategy to enhance voluntary counseling and testing uptake in antenatal settings. However, the following issues and concerns need to be addressed.
Highlights
The authors state that a minimum sample size of 122 was estimated using the formula by Kirkwood for the comparison of two proportions
Both study groups should be comparable with no significant differences in the demographic and other key study variables
The following points are noted on intergroup comparison in this study: (i) Baseline awareness of HIV/AIDS among the intervention group (n = 120, 99.2%) was similar to that among control group (n = 113, 97.4%) (χ2 = 1.11, p = 0.293)
Summary
The authors state that a minimum sample size of 122 was estimated using the formula by Kirkwood for the comparison of two proportions. The authors should have considered attrition while calculating the sample size. Chi-square (χ2) calculation for the control group is questionable as at least 20% of expected frequencies are less than 5.
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