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NCT Number: NCT06927674

DELIVER Evaluation in Nigeria

The DEcent LIVelihoods for small-scale producers delivered through Economic & Resilient food systems in Nigeria (DELIVER) (2024-2027) project is designed to address the low per capita consumption of vegetables and variety of vegetable consumption in northern Nigeria by working with smallholder farmers to increase production and promoting healthier diets through greater vegetable consumption among farmers and their neighbors. The objective of this evaluation is to assess the effectiveness of GAIN's DELIVER program for increasing the quantity and variety of vegetables consumed by smallholder farmer households participating in the program and by neighbor households. This evaluation will use a quasi-experimental design to assess the impact of GAIN's DELIVER programs on the quantity and diversity of vegetables consumed by smallholder farmers and non-farming neighbor households. The evaluation will be guided by the RE-AIM (reach, effectiveness, adoption, implementation, maintenance) framework. RE-AIM is a framework that is useful for evaluating the program impact of multifaceted and multilevel interventions.

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Key information

Conditions

Quantity and Variety of Vegetables Consumed

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Datametrics Associates Ltd.

Abuja, Nigeria

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Farmer household member or neighbor household recruited by DELIVER farmer
  • Located within the intervention LGA
  • Farmer must be a member who is participating in the DELIVER project
  • Adult who is ≥ 18 years old
  • Able to speak English or Hausa
  • Provide informed consent to participate in the study

Treatment and study plan

Consumption of vegetables

Behavioral

DELIVER is designed to address challenges of low consumption of vegetables in both variety and quantity by working with smallholder farmers to increase production and promoting healthier diets through greater vegetable consumption. The project will build the capacity of smallholder farmers in vegetable production through collaborating with lead farmers to establish demonstration plots that showcase advanced agricultural techniques and technologies. These plots will serve as training hubs for other farmers in vegetable production, postharvest handling, as well as business and market planning. DELIVER aims to increase consumption among neighbors of the smallholder farmers by asking the farmers to recruit at least one neighbor family to whom they will regularly sell vegetables. The project also includes a livelihood component that will increase market connections and access to finance for smallholder farmers.

Primary outcomes

  1. Quantity of vegetables consumed

    Time frame: Baseline (April 2025), Endline (April 2027) (2 years)

    Change in the mean grams of vegetables consumed in the previous 24 hours by farmer and neighbor households

  2. Variety of vegetables consumed

    Time frame: Baseline (April 2025), Endline (April 2027) (2 years)

    Change in the number of types of vegetables consumed by farmer and non-farming neighbor households

Sponsors and collaborators

Lead sponsor

RTI International

Other

Collaborators

  • Datametrics Associates Ltd
  • University of Abuja
  • University of Nigeria Nsukka

Registry information

Official study title

Evaluation of the Global Alliance for Improved Nutrition (GAIN) DEcent LIVelihoods for Small-scale Producers Delivered Through Economic & Resilient Food Systems (DELIVER) Project in Nigeria

Important dates

Study start
2025
Primary completion
2027
Study completion
2027
First posted
Apr 15, 2025
Registry last updated
Jul 7, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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