Visualized nutrition education and dietary behavioral change: A systematic review and meta-analysis.

Auteur(s) :
Li X., Huang Y., Yin R., Pan C., Cai Y., Wang Z.
Date :
Mai, 2018
Source(s) :
Critical reviews in food science and nutrition. # p1-37
Adresse :
a School of Public Health , Peking University Health Science Center , 38 Xueyuan Road, Beijing 100191 , China.

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BACKGROUND
Effectiveness of using visual approaches in health education and its influential factors were still in debate.

OBJECTIVES
To assess the effects of visualized nutrition education on dietary knowledge and behavioral changes, and factors influencing them.

METHODS
A comprehensive search of PubMed, EMBASE, Scopus and Cochrane Library was conducted. Eligible studies were trials assessed effects of visualized nutrition education on dietary knowledge or behavior changes, compared with non-visualized or no education group.

RESULTS
Fourteen studies (n = 7,259) were qualitatively analyzed and 7 of them were included in the meta-analysis. We found a higher fiber intake in both short term (1.59g/1000kcals, 95%CI 0.90-2.27) and long term (1.36g/1000kcals, 95%CI 0.64-2.09). A marginal advantage was shown in short-term fruits and vegetables consumption (F&V consumption) (standardized mean difference (SMD) = 0.08, 95%CI -0.00-0.16). The education effects were more pronounced when education was delivered in series (SMD

CONCLUSIONS
Visualized nutrition education was overall promising in improving dietary behaviors. Delivering in series, short in length, with cultural adaptation were features tended to enlarge the benefits of visualized education while loss-framing and video modeling might be avoided.

Source : Pubmed
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