Obesity Clinical Trial
— SHIFTOnboardOfficial title:
SHIFT Onboard: Protecting New Transit Operators Against Safety and Health Hazards
Verified date | February 2023 |
Source | Oregon Health and Science University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The project is a cluster randomized controlled trial of an occupational health intervention for newly hired bus operators. Transit authorities will be randomized to intervention and usual practice conditions and new bus operators will be recruited to participate in a two year study. Intervention participants will complete a program designed to prevent weight gain while also supporting early adjustment and job success. Control participants will experience standard or usual practice working conditions.
Status | Active, not recruiting |
Enrollment | 284 |
Est. completion date | July 31, 2023 |
Est. primary completion date | July 31, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 21 Years and older |
Eligibility | Inclusion Criteria: - Hired to work as a transit bus operator at a participating transit authority, and currently in the pre-service training period Exclusion Criteria: - Female participants who are pregnant or become pregnant during the study period will be excluded from body weight related intervention activities and outcome analyses |
Country | Name | City | State |
---|---|---|---|
United States | Oregon Health & Science University | Portland | Oregon |
Lead Sponsor | Collaborator |
---|---|
Oregon Health and Science University | National Heart, Lung, and Blood Institute (NHLBI) |
United States,
Olson R, Wipfli B, Thompson SV, Elliot DL, Anger WK, Bodner T, Hammer LB, Perrin NA. Weight Control Intervention for Truck Drivers: The SHIFT Randomized Controlled Trial, United States. Am J Public Health. 2016 Sep;106(9):1698-706. doi: 10.2105/AJPH.2016.303262. Epub 2016 Jul 27. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Baseline body weight as a moderator of intervention effects on weight at follow-ups | Baseline body weight evaluated as a moderator of intervention effects at 12 and 24 months. | Baseline, 12, and 24 months | |
Other | Change from baseline in blood pressure at 12 and 24 months | Direct measurement in mmHg. | Baseline, 12, and 24 months | |
Other | Change from baseline in triglycerides | Direct measurement of triglycerides via Cholestech LDX Analyzer in mg/dL. | Baseline, 12, and 24 months | |
Other | Change from baseline in Hemoglobin A1c at 12 and 24 months | HbA1c measured via fingerprick blood sample. | Baseline, 12, and 24 months | |
Other | Change from baseline in Total cholesterol | Total cholesterol measured from fingerstick blood sample via Cholestech LDX Analyzer in mg/dL. | Baseline, 12, and 24 months | |
Other | Change from baseline in HDL cholesterol | HDL measured from fingerstick blood sample via Cholestech LDX Analyzer in mg/dL. | Baseline, 12 and 24 months | |
Other | Change from baseline in LDL cholesterol | LDL measured from fingerstick blood sample via Cholestech LDX Analyzer in mg/dL. | Baseline, 12 and 24 months | |
Other | Change from baseline in the LDL/HDL cholesterol ratio | LDL/HDL cholesterol ratio computed from values measured via Cholestech LDX Analyzer in mg/dL | Baseline, 12, and 24 months | |
Primary | Change from baseline in body weight at 12 and 24 months | Directly measured body weight in kg. | Baseline, 12, and 24 months | |
Primary | Body Mass Index | Calculated from directly measured weight and height (kg/m^2). | Baseline, 12 and 24 months | |
Primary | Change from baseline in percent body fat | Percent body fat measured through bioelectric impedence | Baseline, 12 and 24 months | |
Primary | Change from baseline in self-reported fruit and vegetable intake at 12 and 24 months | Survey measures of fruit and vegetable intake. | Baseline, 12, and 24 months | |
Primary | Change from baseline in self-reported consumption of high fat foods at 12 and 24 months. | Survey measure of high fat food consumption frequency and portion sizes. | Baseline, 12 and 24 months. | |
Primary | Change from baseline in self-reported sugary food and drink consumption at 12 and 24 months | Survey measure of the frequency of sugary food and drink consumption. | Baseline, 12 and 24 months. | |
Primary | Change from baseline in self-reported fast food consumption. | Survey measure of the frequency of fast food consumption. | Baseline, 12 and 24 months. | |
Primary | Change from baseline in self-reported physical activity at 12 and 24 months | Survey measures of daily/weekly physical activity levels. | Baseline, 12, and 24 months | |
Primary | Change from baseline in actigraphically measured physical activity at 12 and 24 months | Actigraphy measures of daily/weekly of physical activity levels. | Baseline, 12 and 24 months | |
Primary | Change from baseline in self-reported sleep quality at 12 and 24 months | Survey measures of typical sleep quality. | Baseline, 12, and 24 months | |
Primary | Change from baseline in self-reported sleep quantity at 12 and 24 months | Survey measures of typical daily sleep time. | Baseline, 12 and 24 months | |
Primary | Change from baseline in actigraphically measured sleep quality at 12 and 24 months | Actigraphy measures of sleep quality as indicated by minutes of Wake After Sleep Onset in main sleep periods. | Baseline, 12 and 24 months | |
Primary | Change from baseline in actigraphically measured sleep quantity at 12 and 24 months | Actigraphy measures of sleep duration in minutes for the daily main sleep period and naps. | Baseline, 12 and 24 months | |
Secondary | Changes in job role conflict | Survey measures of job role conflict. | Baseline, 12, and 24 months | |
Secondary | Changes in perceived acceptance by others | Survey measures of perceived acceptance by others. | Baseline, 12 and 24 months | |
Secondary | Changes in job-related self-efficacy | Survey measures of job-related self-efficacy. | Baseline, 12 and 24 months | |
Secondary | Changes in job satisfaction | Survey measure of job satisfaction | Baseline, 12 and 24 months | |
Secondary | Changes in intention to remain at job | Survey measures of intention to remain. | Baseline, 12 and 24 months | |
Secondary | Economic cost-benefit factors | Intervention costs (e.g., participant wages, fees for group facilitators, cost of resources/tech support, intervention incentives) will be contrasted with estimated savings (e.g., estimates of health care cost savings based on weight changes, and estimates of costs/savings utilizing corporate data for study participants on absenteeism, job turnover, bus collisions, driver injuries and workers' compensation claims, and passenger/pedestrian/other driver injuries). | 12 month intervention costs, and a target minimum of four years of corporate data for each agency (2 historical, 2 during study period) | |
Secondary | Absenteeism | Organizational records of absenteeism for new bus operators | Baseline, 12 and 24 months | |
Secondary | Job turnover | Organizational records of job turnover among new bus operators | Baseline, 12 and 24 months | |
Secondary | Bus collisions | Organizational records of bus collisions among new bus operators | Baseline, 12 and 24 months | |
Secondary | Injuries | Organizational records of bus operator and passenger injuries | Baseline, 12 and 24 months |
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