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Feasibility and Preliminary Efficacy of an m-Health Intervention Targeting Physical Activity, Diet, and Sleep Quality in Shift-Workers.

ABSTRACT: Poor health behaviors are prevalent in shift-workers, but few multiple health-behavior interventions consider their unique needs. This study aimed to (1) evaluate the feasibility and acceptability of an existing app-based intervention to improve physical activity, diet, and sleep quality in a shift-worker population, (2) estimate intervention effect in a four-week pilot randomized controlled trial (RCT) (ACTRN12618001785291). Shift-workers (18-65 years old) were randomized to intervention (n = 20) or wait-list (n = 20) groups. Outcomes included recruitment, engagement, attrition, usefulness ratings, System Usability Scale (SUS), qualitative interviews, and estimation of treatment effect (minutes of physical activity, diet quality, and sleep quality) using mixed model analysis. Recruitment took one week. App-use at week four was 55% (11/20), 85% (34/40) completed the four-week follow-up questionnaire, and 20% (4/20) of the intervention group completed the qualitative interview. The intervention was rated as slightly to moderately useful by 76.9% (10/13) of participants on a five-point scale. The SUS score was 62.7 (12.7) out of 100. Diet quality improved for the intervention (4.5 points; 95% confidence interval (CI) = 0.1, 8.9; p = 0.047) vs. the wait-list group, but not physical activity or sleep quality. Qualitative interviews found that a more tailored intervention, more accessible information, and interactive features were desired. The intervention was feasible in terms of recruitment, but modifications to increase engagement are needed.

SUBMITTER: Oftedal S

PROVIDER: S-EPMC6843501 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Feasibility and Preliminary Efficacy of an m-Health Intervention Targeting Physical Activity, Diet, and Sleep Quality in Shift-Workers.

Oftedal Stina S Burrows Tracy T Fenton Sasha S Murawski Beatrice B Rayward Anna B AB Duncan Mitch J MJ

International journal of environmental research and public health 20191010 20

Poor health behaviors are prevalent in shift-workers, but few multiple health-behavior interventions consider their unique needs. This study aimed to (1) evaluate the feasibility and acceptability of an existing app-based intervention to improve physical activity, diet, and sleep quality in a shift-worker population, (2) estimate intervention effect in a four-week pilot randomized controlled trial (RCT) (ACTRN12618001785291). Shift-workers (18-65 years old) were randomized to intervention (<i>n< ...[more]

PMID: 31658624

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Project description:Although fitness may benefit cognition in youth, most attention has been given to cardiorespiratory fitness despite the health benefits of muscular fitness. Few studies have examined interventions that incorporate both cardiorespiratory and muscular fitness or have been offered during school recess. Furthermore, most fitness intervention studies examining cognitive outcomes have not reported on implementation information. The purpose of this pilot study was to examine the feasibility, acceptability, and preliminary efficacy on fitness and cognition of a recess intervention in elementary school children. Two schools were randomized to either a 3-month cardiorespiratory and muscular fitness intervention (15 minutes/weekday during recess) or control condition (standard recess activities). Process evaluation (feasibility and acceptability) measures were recorded daily (research staff questionnaire), weekly (accelerometer and heart rate monitors), and post-intervention (participant and school-staff questionnaires). Preliminary efficacy measures included pre- and post-intervention inhibition/attention, working memory, and cardiorespiratory and muscular fitness scores. Some feasibility and acceptability measures were favorable (88% of the lessons were implemented, 78% of the lessons were implemented as planned, and the majority of students and school staff were satisfied with most aspects of the intervention). However, intensity adherence during the intervention sessions based on accelerometry (% of time spent in moderate-to-vigorous activity: 41.7 ± 14.5) and participation (19.4% attendance rate) were lower than expected. Preliminary efficacy of the intervention on cognitive and fitness outcomes was not demonstrated. This study provided evidence that some aspects of the fitness intervention were acceptable during school recess. However, important implementation factors (i.e., intervention exposure) should be targeted to improve youth fitness programs offered during this school setting.

Dataset Information

Feasibility and Preliminary Efficacy of an m-Health Intervention Targeting Physical Activity, Diet, and Sleep Quality in Shift-Workers.

Publications

Feasibility and Preliminary Efficacy of an m-Health Intervention Targeting Physical Activity, Diet, and Sleep Quality in Shift-Workers.

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