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1.
Health Promot J Austr ; 34(1): 9-12, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36089699

RESUMO

ISSUE ADDRESSED: Group-based weight-loss programs can be effective in addressing high rates of overweight and obesity among Aboriginal and Torres Strait Islander Peoples. The purpose was to determine associations between demographic and baseline weight-related variables and team weight loss in a community-based intervention as no previous studies have analysed this at a team level. METHODS: Binomial models tested associations between team-level age, proportion female and baseline weight and classification as higher weight-loss team (HWT) (>50% persons losing 2.5% of initial weight) vs lower weight-loss team (LWT). Linear regressions compared HWT and LWT on diet and physical activity (PA) outcomes adjusted for age and gender. RESULTS: For each 1 kg increment in mean baseline weight, a team's likelihood of higher weight loss was increased by 4% (APR: 1.04, 95%CI: 1.00, 1.08). HWTs increased vigorous PA by 0.32 sessions more than LWTs (P = .02). Fruit and vegetable intakes were not associated with team weight loss classification. CONCLUSIONS: Only baseline weight and vigorous PA distinguished HWT and LWT. Promoting PA components in team-based weight-loss approaches may be beneficial as these lend themselves to group participation. SO WHAT?: Demographic and baseline weight-related variables are largely not predictive of weight loss success in group programs. Identifying other characteristics shared by HWT may help teams achieve weight loss.


Assuntos
Obesidade , Sobrepeso , Feminino , Humanos , Exercício Físico , Obesidade/epidemiologia , Obesidade/prevenção & controle , Sobrepeso/epidemiologia , Sobrepeso/prevenção & controle , Redução de Peso , Povos Aborígenes Australianos e Ilhéus do Estreito de Torres
2.
Prev Med Rep ; 26: 101710, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35141119

RESUMO

The aim of this study was to evaluate program retention factors in a repeated team-based weight-loss and healthy lifestyle program for Aboriginal and Torres Strait Islander Peoples. Data comprised 3107 participants in 10 Aboriginal Knockout Health Challenge contests. Multiple variable and bivariate analyses compared age, gender, self-reported behaviors (physical activity and fruit and vegetable consumption) and objectively measured weight between completers and non-completers. First-time participants (n = 3107) who completed were more likely to be female, be older, weigh less and have more completing members in their team; only the number of team members completing was significant among participants (n = 1245) who took part in a second contest participation. Multivariate results were similar, with a participant's odds of completing on their first and second participation occasion increasing by 1.16 and 1.18, respectively, with every teammate completed. Given that the strongest effect centered on a social factor, this highlights the importance of having community-driven design and the benefits of a group-based approach to engage and maintain First Peoples' engagement in preventive health programs. Further, by identifying a change in factors associated with retention in successive weight-loss attempts, this study improves understanding of retention in weight-loss programs more generally.

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