Acceptability, Usability and Weight Loss Outcomes in a Randomized Cross-Over Study of Commercially Available Portion Size Tools in an Overweight South Asian Community

Basma Ellahi, Amanda Aitken, Derya Dikmen, Bilge Seyhan-Erdoğan, Munibah Makda and Rifat Razaq
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Basma Ellahi: Faculty of Health and Social Care, University of Chester, Parkgate Road, Chester CH14BJ, UK
Amanda Aitken: Faculty of Health and Social Care, University of Chester, Parkgate Road, Chester CH14BJ, UK
Derya Dikmen: Department of Nutrition and Dietetics, Hacettepe University, Ankara 06230, Turkey
Bilge Seyhan-Erdoğan: Department of Nutrition and Dietetics, Hacettepe University, Ankara 06230, Turkey
Munibah Makda: Faculty of Health and Social Care, University of Chester, Parkgate Road, Chester CH14BJ, UK
Rifat Razaq: Faculty of Health and Social Care, University of Chester, Parkgate Road, Chester CH14BJ, UK

IJERPH, 2022, vol. 19, issue 13, 1-19

Abstract: South Asian women living in the UK are particularly at high risk of obesity-related complications, such as type 2 diabetes and cardiovascular disease. Exposure to large portion sizes is a risk factor for obesity. Specifically designed tableware helps individuals to manage weight by controlling food portion sizes. Thirty-one ( n = 31) overweight or obese South Asian adult women participated in a randomised cross-over trial aimed to assess the efficacy, acceptance, and weight change of two guided/calibrated commercially available portion control tools (Utensil set and Crockery Set) used in free-living conditions. Data on acceptance, perceived changes in portion size, frequency, and meal type was collected using paper questionnaires and 3-day diet diaries. Scores describing acceptance, ease of use, and perceived effectiveness were derived from five-point Likert scales from which binary indicators (high/low) were analysed for significance using multivariate variance analysis for repeated measurements. A reduction in BMI was observed at each point of measurement ( p = 0.007). For overall tool use, the crockery set scored higher in all areas of acceptance, ease of use, and perceived efficacy for all comparisons. Self-selected portion sizes increased for salads and decreased for cooking oil and breakfast cereals with both tools. Further research to scale up and evaluate similar weight management interventions for this group is warranted.

Keywords: portion size; portion control tools; migrant groups; weight loss; dietary change; co-creation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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