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CTRI Number  CTRI/2024/09/074048 [Registered on: 19/09/2024] Trial Registered Prospectively
Last Modified On: 22/11/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Behavioral 
Study Design  Other 
Public Title of Study   Assessing the Impact of Hourly Walking Breaks on Reducing Sedentary Behavior in Desk-Job Employees: A Pilot Study"" 
Scientific Title of Study   Pilot Study on Sedentary Time Reduction in Desk-job Employees (STRIDE Study) 
Trial Acronym  STRIDE  
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Rebecca Kuriyan 
Designation  Professor and Head, Division of Nutrition 
Affiliation  St. John’s Research Institute  
Address  1st Floor, St. John’s Research Institute,100 Feet Rd, John Nagar, Koramangala, Bengaluru

Bangalore
KARNATAKA
560034
India 
Phone  9886002210  
Fax    
Email  rebecca@sjri.res.in  
 
Details of Contact Person
Scientific Query  
Name  Dr Rebecca Kuriyan 
Designation  Professor and Head, Division of Nutrition 
Affiliation  St. John’s Research Institute  
Address  1st Floor, St. John’s Research Institute,100 Feet Rd, John Nagar, Koramangala, Bengaluru

Bangalore
KARNATAKA
560034
India 
Phone  9886002210  
Fax    
Email  rebecca@sjri.res.in  
 
Details of Contact Person
Public Query  
Name  Dr Rebecca Kuriyan 
Designation  Professor and Head, Division of Nutrition 
Affiliation  St. John’s Research Institute  
Address  1st Floor, St. John’s Research Institute,100 Feet Rd, John Nagar, Koramangala, Bengaluru

Bangalore
KARNATAKA
560034
India 
Phone  9886002210  
Fax    
Email  rebecca@sjri.res.in  
 
Source of Monetary or Material Support  
Division of Nutrition, St. John’s Research Institute, Bangalore, Karnataka, India 
 
Primary Sponsor  
Name  Division of Nutrition 
Address  Division of Nutrition, St. John’s Research Institute, Bangalore - 560034, Karnataka, India 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Rebecca Kuriyan   St johns research Institute  100 Feet Rd, John Nagar, Koramangala, Bengaluru
Bangalore
KARNATAKA 		 9886002210

rebecca@sjri.res.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, St John’s Medical College and Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Sedentary desk job workers  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Behavioural change  Physical activity intervension and media nudges.For the first two months (8 weeks), all participants will receive these prompts. After that, in the third month, the participants (120 people) will be split into two groups. One group (60 people) will stop receiving the prompts, while the other group (60 people) will continue getting them. This approach will help assess whether regular social media prompts improves adherence to the activity breaks over time. Hence, the study duration is three months in total.  
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  25.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Participants aged 25 to 60 years (Male and Females).
2. Participants who have a sedentary office desk-job (Spend approximately 70% of work time seated).
3. Participants who have an occupational sedentary time of 6 to 8 hours.
4. Participants willing to incorporate short walking breaks during work hours for the study duration.
 
 
ExclusionCriteria 
Details  1. Participants with known disabilities that interfere with your daily activities.
2. Pregnant and lactating women.
3. On a stringent diet or physical activity regime. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess the impact of timed walking breaks on reducing occupational sedentary time.   Week 1, 8, 12 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the effect of the reduced occupational sedentary time on anthropometric measurements, quality of life, cognitive function, and work performance. To investigate the influence of social media nudges on the compliance with timed walking breaks during work hours.   Week 1, 8, 12 
 
Target Sample Size   Total Sample Size="120"
Sample Size from India="120" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   05/04/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  		 Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   The study aims to evaluate the impact of timed walking breaks during work hours on reducing sedentary behaviour among office workers in bangalore, India. This intervention involves hourly walking breaks, totalling 45 minutes per day, to decrease sitting time at work. The primary objective is to measure the reduction in occupational sedentary time. Secondary objectives include assessing its effects on anthropometric measurements, quality of life, cognitive function, and work performance. Additionally, the study will explore the role of social media nudges provided through an mhealth app in improving adherence to the intervention. The need for this study arises from the high levels of sedentary behaviour among Indian office workers, which pose significant health risks. The novelty lies in its focus on the Indian context and the integration of social media through an mhealth app to enhance engagement with the intervention, addressing a gap in existing research on reducing workplace sedentary behaviour in this population. 
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