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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04347096
Other study ID # CRREC-109-017
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date April 27, 2020
Est. completion date December 31, 2022

Study information

Verified date July 2020
Source China Medical University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Studies have shown the negative impact of physical inactivity, sedentary and unhealthy eating behavior on worker health and productivity. Sedentary workers are at greater risk of developing chronic diseases due to these behavioral risk factors. The literature moderately supports mHealth interventions for promoting physical activity and healthy diets. However, there is a dearth of research on mHealth interventions targeting the clustering of physical activity, sedentary and dietary behavior among sedentary workers in the occupational setting. Furthermore, there is a lack of evidence on its long-term sustainability and cost-effectiveness on health behaviors as well as health-related and work- related outcomes.

Purpose: To evaluate a 12-week theory-driven, tailored mHealth intervention for improving diet, physical activity and sedentary behavior among sedentary workers. Three specific aims are to: (1) determine intervention participants' perceptions of and engagement with the mHealth program components to understand intervention effects by surveys and focus groups; (2) determine the effectiveness of the mHealth intervention compared to usual care; and (3) determine the cost-effectiveness of the mHealth intervention compared to usual care, using incremental cost-effectiveness ratios (ICERs).

Methods: This is a three-year research project. Year 1 is mHealth intervention delivery and evaluation using a quasi-experimental design. Concepts of social cognitive theory of self-regulation and self-efficacy and an ecological model provide the theoretical foundation for the intervention. Year 2 will be primarily to evaluate the intervention. Year 3 will be primarily an international comparison of cost-effectiveness of mHealth interventions to improve diet, physical activity and sedentary behavior for employees.

A total of 100 sedentary workers (50 per condition) will be recruited from two workplaces. The intervention group will have access to the Internet for using a newly developed Simple health web app and receive an activity tracker. A sample of 100 is required to detect differences in primary outcomes: cardiometabolic risk biomarkers, productivity loss, body composition, physical activity, sedentary behavior, and dietary behavior; and secondary outcomes: self-report self-efficacy and self-regulation, at baseline, 3-, 12-, and 24-month follow up. Generalized estimating equations (GEE) will be used to examine intervention effects over time.


Description:

The Simple health web app will consist of six major components: (1) daily healthy eating goals and records; (2) daily physical activity goals and records; (3) daily stand-up goals and records; (4) advice and reminder; (5) educational and motivational tools; and (6) personal and team health ranking.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 103
Est. completion date December 31, 2022
Est. primary completion date May 31, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 20 Years and older
Eligibility Inclusion Criteria:

1. Full-time employees with sedentary occupations that involve sitting most of the time.

2. Age 20 years and older.

3. No physical limitations that would prevent them from performing physical activity.

4. Has access to the Internet.

Exclusion Criteria:

1. Part-time employees.

2. Has an expected absence from work for more than two weeks or an expected relocation to another workplace within the next 12 months.

3. Pregnant or planning to get pregnant within the next 12 months.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
mHealth Intervention
The mHealth Intervention will provide sedentary workers with evidence-based information on diet, physical activity and sedentary behavior, and tailored feedback on their responses to daily records. Key features of this intervention will include individualized feedback and multimedia presentation in the form of web app. The intervention group will also receive a reliable device for wireless physical activity tracking for monitoring step counts. The web app will consist of seven major components: (1) daily healthy eating goals and records; (2) daily physical activity goals and records; (3) daily stand-up goals and records; (4) advice and reminder; (5) educational and motivational tools; (6) personal and team health ranking; and (7) online social network. In addition, the intervention will be enhanced with follow-up booster coaching calls bi-monthly at 2, 4, 6, 8 months after the 12-week intervention.
Control Intervention
The control intervention group will receive educational tools, which will provide knowledge on benefits of physical activity and healthy eating, health risks of sitting and unhealthy diets, and recommendations on physical activity and a balanced healthy diet for good health.

Locations

Country Name City State
Taiwan China Medical University Taichung N/A = Not Applicable

Sponsors (3)

Lead Sponsor Collaborator
China Medical University Hospital China Medical University, Taiwan, Ministry of Science and Technology, Taiwan

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Other Cost-effectiveness Cost-effectiveness will be assessed by constructing the incremental cost-effectiveness ratio (ICER) At 3-, 12-, and 24-month
Primary Objectively measured physical activity Physical activity will be objectively measured by the wrist-worn Fitbit Charge 3 (3-axis accelerometer) Changes from baseline objectively measured physical activity at 3-, 12-, and 24-month
Primary Self-report physical activity Physical activity will be assessed by International Physical Activity Questionnaire (IPAQ)-Taiwan short form Changes from baseline self-report physical activity at 3-, 12-, and 24-month
Primary Objectively measured dietary behavior Dietary behavior will be objectively measured with 3-day food photography Changes from baseline objectively measured dietary behavior at 3-, 12-, and 24-month
Primary Self-report dietary behavior Dietary behavior will be assessed by the Healthy Eating Behavior Inventory (HEBI) Changes from baseline self-report dietary behavior at 3-, 12-, and 24-month
Primary Occupational sitting and physical activity Occupational sitting and physical activity will be assessed by the Occupational Sitting and Physical Activity Questionnaire (OSPAQ) Changes from baseline occupational sitting and physical activity at 3-, 12-, and 24-month
Primary Work productivity Work productivity will be measured by Work Limitation Questionnaire (Taiwan) short-form (WLQ-SF) Changes from baseline work productivity at 3-, 12-, and 24-month
Primary Fasting blood glucose Fasting blood glucose will be measured by collecting fasting blood samples in the morning Changes from baseline fasting blood glucose at 3-, 12-, and 24-month
Primary Fasting insulin Fasting insulin will be measured by collecting fasting blood samples in the morning Changes from baseline fasting insulin at 3-, 12-, and 24-month
Primary Total cholesterol Total cholesterol will be measured by collecting fasting blood sample in the morning Changes from baseline total cholesterol at 3-, 12-, and 24-month
Primary Low-density lipoprotein (LDL) cholesterol LDL cholesterol will be measured by collecting fasting blood sample in the morning Changes from baseline LDL cholesterol at 3-, 12-, and 24-month
Primary High-density lipoprotein (HDL) cholesterol HDL cholesterol will be measured by collecting fasting blood sample in the morning Changes from baseline HDL cholesterol at 3-, 12-, and 24-month
Primary Triglycerides Triglycerides will be measured by collecting fasting blood samples in the morning Changes from baseline triglycerides at 3-, 12-, and 24-month
Primary Blood pressure Blood pressure will be measured twice per person via an automated sphygmomanometer using the right arm and an appropriately sized cuff. A third measurement will be taken if the systolic BP differs by >10 mmHg or the diastolic BP by >6 mmHg. Changes from baseline blood pressure at 3-, 12-, and 24-month
Primary Weight Weight will be measured by ioi 353 body composition analyzer (JAWON MEDICAL) Changes from baseline weight at 3-, 12-, and 24-month
Primary Abdominal circumference Abdominal circumference will be measured by ioi 353 body composition analyzer (JAWON MEDICAL) Changes from baseline abdominal circumference at 3-, 12-, and 24-month
Primary Percent body fat Percent body fat will be measured by ioi 353 body composition analyzer (JAWON MEDICAL) Changes from baseline percent body fat at 3-, 12-, and 24-month
Primary Soft lean mass Soft lean mass will be measured by ioi 353 body composition analyzer (JAWON MEDICAL) Changes from baseline soft lean mass at 3-, 12-, and 24-month
Primary Visceral fat area Visceral fat area will be measured by ioi 353 body composition analyzer (JAWON MEDICAL) Changes from baseline visceral fat area at 3-, 12-, and 24-month
Secondary Self-efficacy for reducing sitting Self-efficacy for reducing sitting will be assessed by the self-efficacy for reducing sitting scale Changes from baseline self-efficacy for reducing sitting at 3-, 12-, and 24-month
Secondary Self-efficacy for physical activity Self-efficacy for physical activity will be assessed by the self-efficacy for physical activity scale Changes from baseline self-efficacy for physical activity at 3-, 12-, and 24-month
Secondary Self-efficacy for healthy eating Self-efficacy for healthy eating will be assessed by the self-efficacy for healthy eating scale Changes from baseline self-efficacy for healthy eating at 3-, 12-, and 24-month
Secondary Self-regulation of sitting less and moving more Self-regulation of sitting less and moving more will be assessed by the self-regulation for sitting less and moving more scale Changes from baseline self-regulation of sitting less and moving more at 3-, 12-, and 24-month
Secondary Self-regulation of eating behaviour Self-regulation of eating behaviour will be assessed by the Self-Regulation of Eating Behaviour Questionnaire Changes from baseline self-regulation of eating behaviour at 3-, 12-, and 24-month
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