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Table 1 Summary of sample size calculation for associated factors with malnutrition among women living with HIV/AIDS using Open Epi, open source calculator—SSCC

From: Undernutrition among HIV positive women in Humera hospital, Tigray, Ethiopia, 2013: antiretroviral therapy alone is not enough, cross sectional study

Variables as exposure Assumptions Sample size (controls + cases)
  OR P Ratio Power CI  
Anemia 2 33% 1:1 80% 95% 298
Food insecurity 1.9 41% 1:1 80% 95% 324
Low dietary diversity 2 33% 1:1 80% 95% 298
  1. OR = odds ratio, p = proportion, Ratio = cases to control & CI = confidence interval.