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. 2020 May;102(5):1104-1115.
doi: 10.4269/ajtmh.19-0528.

Improving Complementary Food Hygiene Behaviors Using the Risk, Attitude, Norms, Ability, and Self-Regulation Approach in Rural Malawi

Kondwani Chidziwisano  1   2 , Jurgita Slekiene  3 , Hans-Joachim Mosler  3 , Tracy Morse  1   2
Affiliations

Improving Complementary Food Hygiene Behaviors Using the Risk, Attitude, Norms, Ability, and Self-Regulation Approach in Rural Malawi

Kondwani Chidziwisano et al. Am J Trop Med Hyg. 2020 May.

Abstract

The study evaluated the effectiveness of an intervention to improve complementary food hygiene behaviors among child caregivers in rural Malawi. Formative research and intervention development was grounded in the risk, attitude, norms, ability, and self-regulation (RANAS) model and targeted washing hands and kitchen utensils with soap, safe utensil storage, reheating of leftover food, and feeding of children by caregivers. Longitudinal research was applied at baseline and follow-up surveys among 320 caregivers. Determinants of selected behaviors were found, and interventions were developed based on the behavior change techniques aligned with these determinants in the RANAS model. The intervention was delivered over 9 months through group (cluster) meetings and household visits and included demonstrations, games, rewards, and songs. We randomly assigned villages to the control or intervention group. Follow-up results indicated a significant increase in three targeted behaviors (washing kitchen utensils with soap, safe utensil storage, and handwashing with soap) among intervention recipients. Several psychosocial factors differed significantly between the intervention and control groups. Mediation results showed that the intervention had a significant effect on these three targeted behaviors. For handwashing, feelings, others' behavior in the household, and remembering; for washing kitchen utensils, others' behavior in the household and difficulty to get enough soap; for safe utensils storage, others' behavior in the village and remembering mediated the effect of the intervention on the targeted behaviors. The study demonstrated that targeting food hygiene behaviors with a theory-driven behavior change approach using psychosocial factors can improve the behavior of child caregivers in rural Malawi.

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Figures

Figure 1.
Figure 1.
Multiple mediation: effects of intervention on changes to handwashing with soap via changes in psychosocial factors (mediators).
Figure 2.
Figure 2.
Multiple mediation: effects of intervention on changes to washing kitchen utensils with soap via changes in psychosocial factors (mediators).
Figure 3.
Figure 3.
Multiple mediation: effects of intervention on changes to keeping kitchen utensils at a safe place with soap via changes in psychosocial factors (mediators).
See this image and copyright information in PMC

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