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Health literacy in dietary supplement use among working-age groups: systematic review and meta-analysis
Ungsinun Intarakamhang1, Pitchada Prasittichok1
1Behavioral Science Research Institute, Srinakharinwirot University, Bangkok, Thailand.
Background:
Globally, dietary supplement use (DSU) is very popular against COVID19. This study aims to investigate the characteristics of research on health literacy (HL) in DSU and compare HL among working-age groups by reviewing related research between 2011 and 2021 in PubMed, SCOPUS, ClinicalKey, Google Scholar and ThaiJO.
Methods:
Twenty-five articles that met the inclusion criteria were selected for study and analyzed using Cohen's d.
Results:
The results showed that HL affected dietary supplement (DS) consumption behavior among working-age groups with an average effect size of 0.423 (95% CI = 0.249-0.598), followed by disclosure of DSU with an average effect size of 0.220 (95% CI = 0.087-0.353). No effect was found on awareness of dietary supplement advertisements.
Conclusion:
The discovery of such knowledge is a significant contribution to public health, leading to the development of interventions and policies for enhancing HL in DSU e.g. organizing knowledge-sharing workshops on DSU and building support networks across all sectors.
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