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Evaluation of a Text Messaging Intervention to Promote Preconception Micronutrient Supplement Use: Feasibility Study Nested in the Healthy Life Trajectories Initiative Study in South Africa

Evaluation of a Text Messaging Intervention to Promote Preconception Micronutrient Supplement Use: Feasibility Study Nested in the Healthy Life Trajectories Initiative Study in South Africa

As Soweto is situated >1700 m above sea level, hemoglobin was altitude adjusted by –0.5 g/d L, according to the World Health Organization recommendation [43], as has previously been evaluated in our setting [44]. The difference in hemoglobin levels from baseline to follow-up (Δhemoglobin) was calculated (hemoglobin follow-up – hemoglobin baseline).

Larske M Soepnel, Michelle C McKinley, Sonja Klingberg, Catherine E Draper, Alessandra Prioreschi, Shane A Norris, Lisa J Ware

JMIR Form Res 2022;6(8):e37309