Intervention for promoting intake of fruits and vegetables in Brazilians : a randomised controlled trial.
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2021
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Objective: To evaluate the effectiveness of a nutritional intervention to promote
fruit and vegetable (FV) intake.
Design: A randomised controlled community trial was conducted to evaluate
the effectiveness of a 7-month nutritional intervention and to promote FV intake,
separately and together. All participants attended physical exercise sessions. The
intervention was based on the transtheoretical model and Paulo Freire’s pedagogy.
The interventions included group educational sessions, motivational cards and
informational materials. The primary outcome was a change in FV intake (g/d),
and secondary outcomes included stages of change, self-efficacy, decisional
balance and knowledge on FV. All data were collected face-to-face; and FV intake
was assessed using a validated brief questionnaire.
Setting: Health promotion services of Brazilian Primary Health Care.
Participants: 3414 users of Brazilian Primary Health Care (1931 in the control
group and 1483 in the intervention group (IG)).
Results: At baseline, the average daily FV intake was 370·4 g/d (95 % CI 364·2,
376·6). The increase in FV intake (23·4 g/d; 95 % CI 6·7, 40·0) and fruit intake
(þ17·3 g/d; 95 % CI 5·1, 29·4; P = 0·01) was greater in the IG among participants
in the lowest baseline intake. Participants in the IG also showed progression in the
stages of change (P < 0·001), increased self-efficacy (P < 0·001) and improved
knowledge of FV crops (P < 0·001).
Conclusions: The nutritional intervention was effective in increasing FV intake and
fruits intake among individuals with a lower intake at baseline and in maintaining
FV intake among those who reported consuming FV as recommended (400 g/d).
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Nutrition education, Brazil, Vegetables, Feeding behaviour
Citação
MENDONÇA, R. de D. et al. Intervention for promoting intake of fruits and vegetables in Brazilians : a randomised controlled trial. Public health nutrition, v. 12, n. 3, p. 781–793, 2021. Disponível em: <https://www.cambridge.org/core/journals/public-health-nutrition/article/intervention-for-promoting-intake-of-fruits-and-vegetables-in-brazilians-a-randomised-controlled-trial/06FC4D60A47165C39E4D331265289AF2>. Acesso em: 11 out. 2022.