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Table 3 Measurement schedule for key study indicators

From: Improving diets and nutrition through an integrated poultry value chain and nutrition intervention (SELEVER) in Burkina Faso: study protocol for a randomized trial

Main trial comparisons Survey round
Longitudinal, 1800 households BL (Feb 2017) R2 (Aug 2017) R3 (Aug 2019) R4 (Feb 2020) R5 (Feb 2021)
Primary Dietary intake Dietary diversity (women and children) I    I I
  IYCF practices Minimum acceptable diet (6–24 months) I    I I
  Poultry output Production, sales, and profits I    I I
Secondary Women’s empowerment WEAI I    I I
  Maternal stress and wellbeing   I    I I
  Poultry VC   I    I I
  Morbidity Recall of diarrhea, fever, and chest infections I    I I
  Hygiene Exposure to poultry feces and cleanliness O    O O
   Hygiene knowledge I    I I
  Women’s nutrition knowledge Nutrition KAP I    I I
  Nutrition Anthropometry M    M M
  Expenditures   I    I I
  Other household and maternal factors I    I I
WASH sub-study comparisons Survey round
Longitudinal, 1080 households BL (Feb 2017) R2 (Aug 2017) R3 (Aug 2019) R4 (Feb 2020) R5 (Feb 2021)
Primary Dietary intake Probability of adequacy (Fe, Zn, Vit A), IDDS I I I I I
  IYCF practices Minimum acceptable diet (6–24 months) I I I I I
  Poultry output Production, sales, and profits I I I I I
Secondary Maternal stress and wellbeing   I I I I I
  Poultry VC   I I I I I
  Morbidity Recall of diarrhea, fever, and chest infections I I I I I
  Hygiene Exposure to poultry feces and cleanliness O O O O O
   Hygiene knowledge I I I I I
  Women’s nutrition knowledge Nutrition KAP I I I I I
  Nutrition Anthropometry M M M M M
  Expenditures   I I I I I
  Other household and maternal factors I I I I I
  Micronutrient status (children) Hemoglobin (Hb) B    B B
   Plasma ferritin (PF) B    B B
   Soluble transferrin receptor (sTfR) B    B B
   Retinol-binding protein (RBP) B    B B
  Infection (children) Serum C-reactive protein (CRP) B    B B
   α-1-acid glycoprotein (AGP) B    B B
   Malaria B    B B
   Pathogenic gut bacteria S    S S
  Cognition (children)   T    T T
  1. B blood, BL baseline, I interview, IDDS individual dietary diversity score, IYCF infant and young child feeding, KAP knowledge attitude practices, M measurement, O observation, R follow-up round, S stool, T test, WEAI Women’s Empowerment in Agriculture Index