Measuring and Applying Motivational Constructs in a Brief Intervention for Reducing Harmful Alcohol Use in ED Patients in Moshi, Tanzania

dc.contributor.advisor

Staton, Catherine

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Agnihotri, Deepti

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2021-05-20T14:12:12Z

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2023-05-19T08:17:08Z

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2021

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Global Health

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Background: Self Determination Theory (SDT) conceptualizes human motivation in terms of a spectrum. However, literature is scarce on how to measure self-determination in different languages or how self-determination can influence the effectiveness of healthcare interventions. The aim of this study was to translate and culturally adapt a psychometric questionnaire on self-determination (TSRQ) as well as SMS booster messages for a Brief Intervention (BI) aimed at reducing harmful alcohol use among injury patients presenting at Kilimanjaro Christian Medical Centre (KCMC) in Moshi, Tanzania.

Methods: A mixed-methods approach was used to evaluate the psychometric properties of the TSRQ and SMS booster messages. Likert-scale surveys were administered on expert panels to assess translation quality and adherence to theory.

Results: Quantitative analyses confirmed that the Swahili translation of the TSRQ accurately reflected SDT constructs. Exploratory Factor Analysis (EFA) revealed a two-domain model had a better fit than the original three-domain TSRQ. Expert panel surveys indicated that the SMS booster messages maintained strong connections to tenets of SDT.

Conclusion: This was the first study to conduct a cross-cultural validation of the TSRQ in Tanzania and the first to implement and assess motivational constructs in SMS booster messages for a BI to promote safe alcohol use. The TSRQ is a valid, clinically useful scale but could be improved with more items. SMS booster messages touch on many SDT constructs, affirming their motivational utility.

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https://hdl.handle.net/10161/23142

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Public health

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Alcohol

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Injury

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M-Health

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Motivation

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Psychometric

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Self-Determination

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Measuring and Applying Motivational Constructs in a Brief Intervention for Reducing Harmful Alcohol Use in ED Patients in Moshi, Tanzania

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Master's thesis

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23.934246575342463

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