Promoting Healthy Eating among Poor Children: The Roles of Information, Affordability, Accessibility, Gender, and Peers on Child-feeding in Ethiopia
Last registered on December 05, 2017


Trial Information
General Information
Promoting Healthy Eating among Poor Children: The Roles of Information, Affordability, Accessibility, Gender, and Peers on Child-feeding in Ethiopia
Initial registration date
July 11, 2017
Last updated
December 05, 2017 10:42 AM EST

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Primary Investigator
Cornell University
Other Primary Investigator(s)
PI Affiliation
Cornell University
PI Affiliation
Cornell University
PI Affiliation
Cornell University
Additional Trial Information
In development
Start date
End date
Secondary IDs
Young children in the developing world often maintain an unhealthy diet with very low dietary diversity, which increases the risk of not only stunting and wasting but also chronic diseases. This research project aims to identify the major barriers to improved complementary feeding and ways to address them in a developing country setting. Formative research suggests information, affordability, accessibility, gender, and peers to be the major constraints. Under this hypothesis, the study will employ clustered randomized experiment in the context of Ethiopia to examine the effects of nutrition behavior change communication (BCC), food vouchers, food accessibility, gender education, and peers on child feeding behaviors and child growth.
External Link(s)
Registration Citation
Han, Yae et al. 2017. "Promoting Healthy Eating among Poor Children: The Roles of Information, Affordability, Accessibility, Gender, and Peers on Child-feeding in Ethiopia." AEA RCT Registry. December 05.
Experimental Details
There is a total of six intervention arms including control: 1) BCC for mothers, 2) BCC for mothers and fathers, 3) food vouchers, 4) BCC for mothers and food vouchers, 5) BCC for mothers and fathers and food vouchers, and 6) control. The duration of intervention is six months, but individuals will be followed up to 12 months to see whether the child-feeding habits continue to stay with the households. All interventions have been pilot tested in the project site to refine the BCC materials and voucher procedures, and to assess the feasibility and acceptability of the interventions. All interventions will be conducted and funded by AFF.

1. Mother BCC
A behavior change communication (BCC) intervention on complementary feeding practice for mothers has been developed based on the Alive and Thrive’s BCC program materials that have been successfully implemented in Ethiopia. BCC will be delivered in groups of six through weekly sessions for a duration of 6 months. Key gaps in knowledge and barriers identified through formative studies are also addressed in the BCC modules.

We also conduct individually-tailored trainings based on participant’s food recall survey results, youngest child’s age, and child caring behavior. The training informs the participants what to eat (local sources of protein and vitamins A and C), what not to eat (e.g., excessive oil, sugar, and processed food), how much and when to eat (e.g., ideal eating frequency by age groups, when to introduce solid food for infants, when to introduce non-breastmilk liquid for infants, etc.), ideal intra-household allocation of food, and short and long-term benefits of good nutrition. Counseling will consist of comparing the household's nutrition level in terms of micro and macronutrients with the ideal standard, and helping the mothers to set monthly concrete goals. Mothers are also encouraged to keep a food log for self-monitoring. Training, counseling, and food recording is aided by highly image-oriented pictures and brochures. The training and counseling materials will follow, as appropriate, WHO and UNICEF guidelines on child growth and development.

2. Father BCC
A BCC intervention on complementary feeding practice for fathers has been developed based on the Alive and Thrive’s resources. Materials to raise awareness on gender related constraints between spouses will be adapted from Nurturing Connections developed by Helen Keller International and USAID’s infant and young child nutrition project targeting male group. Key gaps in knowledge and barriers identified through formative studies will be addressed in the BCC modules.

As the gender-related modules from Helen Keller International and USAID have not been tested for acceptability in Ethiopia, we tested the developed modules through multiple father focus group interviews and modified the contents reflecting the comments from the fathers.

Materials will be delivered in groups of six through weekly sessions for the duration of three months. As most fathers are orthodox farmers who do not work during orthodox holidays (about seven days a month), BCC training will be conducted during orthodox holidays or seven to eight am in the morning before work begins. This schedule was found to be the most convenient time from the formative study of fathers. Motivational interview technique will be used to individually counsel the fathers.

3. Food vouchers
Food vouchers are transferred monthly at the Project Office in Holeta. Eligible participants will receive approximately 15% of their monthly income, 200 ETB, estimated around US$10. Transferors will verbally state that the purpose of the vouchers is to enable households to consume healthier food and that they are nontransferable, while making clear that nothing is required of them to receive the voucher and that no rule or regulation is tied to the receipt of the transfers. Food vouchers will be distributed monthly to mothers at Holeta Project Office, and they will be given in denominations of 20 ETB to facilitate small transactions. At the first disbursement, careful instructions will be provided as to how to use the vouchers. Each voucher will have a blue-colored official stamp to prevent fake vouchers and a household identification number to be matched with household IDs to prevent transfers.

Vouchers will be redeemable for a broad list of food groups including cereals, tubers, fruits, vegetables, legumes, meats, fish, milk products, and eggs. Vouchers can be used at selected shops and regular markets in which voucher stands will be available for sellers to cash out the vouchers. Shops or sellers will be required to match the vouchers with the household IDs and to keep a record of the food items that they bought and their monetary amount. Vouchers can be used over a series of visits per month and must be redeemed within the month it was received.

4. Access to healthy food
For a random half of the treated and control groups, we will send petty traders with diverse food items to their localities to increase accessibility. This is taking into consideration that some mothers, especially rural residents, have access a limited set of food items in the markets that they usually visit, lacking dairy products, meat, green leafy vegetables, and diverse fruits. To bridge this accessibility gap, we will send petty traders to some selected markets with dairy products, meat, and various fruits and vegetables.

5. Price variation of healthy foods
We will introduce variation in the prices of healthy foods that are sold through petty traders to estimate the impact of price on demand. Price variations will take the form of 10%, 20%, or 30% discounts. While price will be varied by each petty trader every time, average food prices over the 6-month intervention period will be the same among all petty traders.
Intervention Start Date
Intervention End Date
Primary Outcomes
Primary Outcomes (end points)
o Among Mothers:
 Nutritional knowledge, attitudes, and practices related to infant and young child feeding
 Measures of maternal capabilities
 Household food and non-food consumption patterns
 Food security measures
 Household agricultural and livestock production patterns
 24-hour recall for mother and children (per capita calorie intake, dietary diversity score, and food consumption score)

o Among Fathers:
 Nutritional knowledge, attitudes, and practices related to infant and young child feeding
 Perceived intrahousehold decision
 Knowledge, attitude, and practices related to gender equality and childcare

o Among Children of Participating Mothers:
 24-hour recall (per capita calorie intake, food frequency, dietary diversity score, and food consumption score)
 Cognitive function: test scores
 Hemoglobin test
 Anthropometry
Primary Outcomes (explanation)
We will examine the interventions’ effects on a host of intermediary and long-term outcomes. The intermediary outcomes are nutritional knowledge and the acceptability of healthy food among mothers and children. To assess the quality of the diet, we will pay closer attention to the quantity and the share of healthy food (fruits and vegetables, and animal-sourced food) and of unhealthy food (sugar, sweets, snacks, processed food, oils, butter, other fats, etc.). This will be measured by per capita caloric intake, both total and by food groups, based on 24-hour recalls of mothers and children under two. Caloric intake is constructed by multiplying the food items consumed by the energy value for those items. Energy values are taken from the Nutrition Database for Standard Reference (USDA, 2010) and from Ethiopia Food Composition Table ([Source to be added]). Food consumption information will also be used to calculate the income elasticities of demand for various food items.

We will examine not only the quantity of food intake but also quality. The existing literature show that dietary diversity is a good proxy for healthy nutrition, including among children. Standard dietary diversity measures include the Household Dietary Diversity Score (HDDS) and the Child Dietary Diversity Score (CDDS). The HDDS sums the number of food groups consumed in the previous seven days from the following 12 groups (Kennedy et al., 2011): cereals, roots/tubers, vegetables, fruits, meat/poultry/offal, eggs, fish/seafood, pulses/legumes/nuts, milk/milk products, oils/fats, sugar/honey, miscellaneous. Similarly, CDDS sums the number of food groups consumed by the child in the past one day from the following seven groups: starchy staples, roots and white tubers, legumes/nuts/seeds, dairy products, meat and fish, eggs, vitamin A-rich foods, and other fruits and vegetables.

As for the long-term outcomes, we will pay special attention to child-feeding habits and health. We will examine eating patterns one month, two months, six months, and one year after the intervention to see if the healthy child-feeding habits “stick” with the mothers. We will also measure anthropometry (BMI, weight-for-height and height-for age z scores), and the incidence of infectious diseases to assess effects on chronic nutritional and health status.

Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
o This study employs a community-based clustered randomized experimental design. To minimize potential contamination, control and treatment groups will be randomized at the village (garee) level. The study randomly assigns villages in Holeta and Ejere to one of the following six groups: BCC for mothers, BCC for mothers and fathers, vouchers, BCC for mothers and vouchers, BCC for mothers and fathers and vouchers, and control. For treatment groups receiving vouchers, participants will be individually randomized within the village such that half of the vouchers will be given to mothers and the other half will be given to fathers.

The experiment will be conducted in two phases. Mothers between the age of 18-40 years with children 4-20 months at baseline survey—June to September 2017—and her spouse or partner will be eligible for treatment and control in the first phase which will be conducted in 2017. Mothers between the age of 18-40 years with children 0-3 months and pregnant women at baseline will be surveyed for treatment and control in the second phase which will be conducted in 2018. Eligible households will be selected using the census data of Holeta and Ejere, which was collected during 2016. Approximately 400 villages in Holeta and Ejere will enter a lottery and will be randomly selected into one of the six groups. All eligible participants who provide consent to participate in the study will be assigned to the randomly selected group of the village that she resides in. Selected mothers and/or fathers living in the same village will form a group to receive BCC education or vouchers.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer.

o For the assignment of treatment groups, villages will be randomly assigned to one of the six groups including control.
o For the assignment of voucher recipients, all households within each voucher-assigned village will randomly assigned to either the mother or the father receiving the voucher.
o For market accessibility, a random half of all markets in the catchment area will be selected for the healthy food access intervention.
Randomization Unit
villlage (garee)
Was the treatment clustered?
Experiment Characteristics
Sample size: planned number of clusters
400 villages
Sample size: planned number of observations
at least 2400 household (women-men-child pair)
Sample size (or number of clusters) by treatment arms
50 villages (300 households) for 'each' treatment arm
150 villages (900 households) for the control group
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB Name
Oromia Regional Health Bureau Department of Public Health Emergency management and Health Research
IRB Approval Date
IRB Approval Number
IRB Name
Research and Ethics Committee, Myungsung Medical College, Ethiopia
IRB Approval Date
IRB Approval Number
IRB Name
Institutional Review Board for Human Participants, Cornell University
IRB Approval Date
IRB Approval Number