Homestead Agriculture and Nutrition Project

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1007 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-07-20

Study Completion Date

2019-09-30

Brief Summary

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HANU is an evaluation of the effects of an integrated, gender-focused nutrition-sensitive intervention on the nutrition and health of young children and women of reproductive age in rural Tanzania.

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Detailed Description

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HANU aims to develop, implement, and evaluate nutrition-sensitive interventions among rural smallholder households in Rufiji Tanzania with the goal of improving the nutritional status and health of young children and women of reproductive age. Specifically, HANU will engage agricultural extension workers (AEWs) and community health workers (CHWs) to provide an integrated homestead food production, nutrition counselling, and public health intervention.

Households receiving the intervention will receive (1) Interventions to promote homestead food production, increase agricultural production and food diversity, (2) nutritional counselling, including locally adapted instructions on the mix and quantity of food suitable for children of ages 6-24 months, and (3) a health-focused intervention, including information on micronutrient supplementation, integrated management of child illnesses, and prevention and management of child malnutrition with a focus on the first 1,000 days. The intervention will include information on cultivation of nutrient-rich crop varieties, best practices for home gardening, safe water, sanitation, and hygiene practices (WASH), breastfeeding and complementary feeding, dietary intake and nutrition, and other basic public health messages. There are two delivery mechanisms for the intervention: farmer field schools and households visits. Household visits are conducted approximately bimonthly separately by AEWs and CHWs. Field schools are held approximately bimonthly and attended by both AEWs and CHWs. Households enrolled in the intervention will also receive agricultural inputs such as seeds, fertilizer, and watering cans.

Through this package of interventions, HANU aims to address the three primary pathways of impacting nutrition through agriculture: gender, income, and consumption. The interventions are designed to increase women's input into decision making over crop production and food consumption, child feeding, use of income, WASH practices, knowledge of nutrition and healthy diets; and home gardening skills. It also aims to address market barriers to homestead food production through connecting participants with agricultural services and helping to generate income through crop production.

The effects of the intervention will be evaluated through a cluster-randomized study design. Ten villages will be randomly selected and paired based on location, proximity to water, and population size. One village in each pair will be randomly assigned to receive the intervention (total of five villages) and one to the control group (total of five villages). Approximately 500 households in each arm will be screened, consented, and enrolled. Data will be collected by trained interviewers using surveys administered with electronic tablets at three time points, once at baseline, once 12 months after intervention implementation, and once approximately 36 months after intervention implementation. Anthropometric measurements of women and young children will be taken at three time points. Hemoglobin for women and young children will be measured among a subset of the study population at three time points.

Qualitative methods will be used to explore barriers to adopting the behaviors promoted through the intervention. One focus group discussion with study participants in each intervention village will be conducted to explore participant experiences with the interventions including key challenges. Eight key informant interviews will further assess sustainability aspects of the intervention.

It is possible that the adoption of home gardening practices and other positive nutrition and health behaviors could spillover to neighboring households. Therefore this study will also assess potential spillover effects of the intervention. In each intervention village, households that did not receive the intervention will be enrolled to assess potential spillover effects of the intervention through the use of a quantitative survey. Approximately 450 households will be enrolled and data will be collected at two time points 12 months after intervention implementation and 36 months after intervention implementation. One focus group discussion in each intervention village among households that did not receive the intervention will be conducted to further explore spillover effects.

Conditions

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Diet Modification Health Behavior

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Intervention

Households receiving the intervention will receive (1) Interventions to promote homestead food production, increase agricultural production and food diversity, (2) nutritional counselling, including locally adapted instructions on the mix and quantity of food suitable for children of ages 6-24 months, and (3) a health-focused intervention, including information on micronutrient supplementation, integrated management of child illnesses, and prevention and management of child malnutrition with a focus on the first 1,000 days.

Group Type EXPERIMENTAL

Nutrition-sensitive intervention

Intervention Type BEHAVIORAL

Nutrition-sensitive intervention using behavior change communication on home gardening, diet, nutrition, WASH, and women's empowerment.

Control

Households receive the standard of care in the area for agricultural and health services.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Nutrition-sensitive intervention

Nutrition-sensitive intervention using behavior change communication on home gardening, diet, nutrition, WASH, and women's empowerment.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Provide informed consent
* Households with women of reproductive age and with at least one child under the age of 36 months (10 years for spillover households to ascertain the secondary outcomes of extent of spillover).
* Household has access to plot of land or containers where vegetables could be grown
* Households that speak and understand English or Swahili

Exclusion Criteria

* Do not provide informed consent
* Households without a woman of reproductive age or a child under the age of 36 months (10 years for spillover households).
* Households without access to plot of land or containers where vegetables could be grown.
* Households that do not speak and understand English or Swahili.

Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No