Randomized Evaluation of Voucher Interventions for Value and Effectiveness (REVIVE) in Philippines
At a glance
Conditions
Where it's being run
1 sites across 1 statesWho to contact
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What this trial measures
- Nutrition KnowledgeBaseline and End of intervention (approximately 24 months)
Composite measure of nutrition knowledge assessed using a structured questionnaire administered to the primary household meal planner. The instrument includes items on food groups, dietary diversity, micronutrient-rich foods, maternal and child feeding practices, and understanding of voucher allocation rules. A total score will be constructed by summing correct responses and standardizing across respondents. Subdomain scores (e.g., dietary diversity knowledge, micronutrient knowledge, child feeding knowledge) will also be analyzed.
- Individual Nutrient AdequacyEnd of intervention (approximately 24 months)
Summary measure of dietary nutrient adequacy among women of reproductive age and children under five years, derived from 24-hour dietary recall data. Probability of adequacy will be estimated for energy, macronutrients, and selected micronutrients (vitamin A, B-complex vitamins, vitamin C, calcium, iron, and zinc). The mean probability of adequacy will be calculated by averaging across 11 micronutrients.
- Minimum Dietary Diversity for Women (MDD-W)End of intervention (approximately 24 months)
Minimum Dietary Diversity for Women (MDD-W), defined as the proportion of women of reproductive age who consume foods from at least 5 of 10 food groups during the previous 24 hours, based on a 24-hour dietary recall.
- Global Dietary Quality Score (GDQS)End of intervention (approximately 24 months)
Global Dietary Quality Score (GDQS), a food-based metric derived from 24-hour dietary recall data that assesses overall dietary quality by accounting for consumption of both healthy and unhealthy food groups. GDQS ranges from 0 to 49, with higher scores indicating better dietary quality and lower risk of nutrient inadequacy and diet-related non-communicable diseases.
- Hunger and Food Insecurity Experience ScaleBaseline and End of intervention (approximately 24 months)
Household food insecurity and hunger will be assessed using the Food Insecurity Experience Scale (FIES), an experience-based measure consisting of eight questions about access to adequate food during the previous 4 weeks. The scale captures a range of food insecurity experiences, including worry about obtaining food, reduced dietary quality, reduced food quantity, skipping meals, and going without food. The raw FIES score ranges from 0 to 8, with higher scores indicating greater severity of food insecurity and hunger. Responses will be used to calculate both continuous FIES scores and categorical classifications of food insecurity severity.