Methods and materials
The study was a one year two-arm parallel design cluster randomized controlled trial in East Shoa zone, Ethiopia. End-line data were collected from 163 intervention and 163 control group pregnant women. The intervention was a three consecutive trimester based counseling sessions using health belief model, weekly regular SMS sent on mobile phone containing core message and providing leaflet with food menu of Iron rich diet. The women in the control group received routine nutrition education from facilities. After adjusting for potential confounders, a linear mixed-effects model was used to assess the intervention effect.