Abstract
Background:
The double burden of malnutrition points to an urgent need to develop strategies to promote healthy diets. Health professionals are key elements for health promotion and must be prepared to deal with these issues in health services.
Aim:
This study aimed to evaluate the impact of an educational intervention based on Brazilian Dietary Guidelines in the practice of multidisciplinary teams working in primary health care.
Methods:
A controlled trial comprising pre- and post-tests was conducted with four multidisciplinary healthcare teams. The intervention group received 16 hours of training on the Brazilian Dietary Guidelines. The professionals’ practices were evaluated by direct observation, before and after the intervention, for two months at each timepoint. Data on dietary counselling were collected using a previously validated scale. The Kruskal-Wallis test was used for intragroup comparison at T0 versus T1, and the intergroup effects of the intervention were estimated by generalized linear regression analysis with a 95% confidence interval.
Results:
The regression with the interaction term between the intervention group and time showed a positive effect of the educational intervention on professionals’ practices in the intervention group in the crude and adjusted models (coefficient = 1.36 and p = 0.020). Brazilian Dietary Guidelines application significantly increased in non-nutritionist professionals’ practices (p = 0.007) and in activities not related to nutrition (p = 0.028) in the intervention group over time (T1-T0). No significant differences were found in the control group.
Conclusion:
The intervention proved to be effective in promoting changes in health professionals’ practices, demonstrating the strength of the strategy for dissemination of nutrition guidelines in primary health care.
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