Codesign, Physical Activity, and Seniors (CAPS)

Codesign, Physical Activity and Seniors

The benefits of physical activity are well-established. However, adherence to and sustained participation remain limited. These difficulties are partly explained by a lack of consideration for individual differences and the psychosocial factors influencing motivation and participation. Models from the psychology of motivation, such as the transtheoretical model of change, emphasize the importance of support tailored to each individual's level of commitment and personal needs. From this perspective, social design, based on co-creation and the active participation of users, could be a promising approach for individualizing interventions with defined, sustainable, and replicable methodologies. By involving seniors in the design and adjustment of programs, this approach promotes autonomy, a sense of competence, and long-term continuity of practice. Thus, the objective of this study is to determine the effects of co-created physical activity programs with participants on program adherence and long-term physical activity adoption. The hypothesis is that co-created physical activity would lead to better adherence and long-term commitment.

Study Overview

• Status: Not yet recruiting
• Conditions: Aging
• Intervention / Treatment: Other: Co-designed tailored physical activity program; Other: Classical tailored physical activity program

• Study Type: Interventional
• Enrollment (Estimated): 60
• Phase: Not Applicable

Contacts and Locations

• Study Contact: Name: Olivier GUERIN, Pr; Phone Number: +33 492034194; Email: guerin.o@chu-nice.fr

Study Locations

• France
  • Nice, France
    • CHU de Nice
    • Contact: Virginie PIOVANO; Phone Number: +33 492034194; Email: piovano.v@chu-nice.fr

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• Be 60 years of age or older
• Be characterized by stage 1, 2, or 3 according to the Transtheoretical Model of Behavior Change (Prochaska and DiClemente, 1992).
• Be registered with social security
• Sign the informed consent form

Exclusion Criteria:

• Presence of a physical or cognitive condition preventing completion of the adapted physical activity protocol over 3 months.
• Being characterized by stage 4 or 5 according to the Transtheoretical Model of Behavior Change (Prochaska and DiClemente, 1992).

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Other
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: None (Open Label)

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Co-designed tailored physical activity program	Other: Co-designed tailored physical activity program; The 'Co-designed tailored physical activity program' group follows a co-created adapted physical activity program, consisting of two sessions per week for 12 weeks, including adapted physical and sporting activities (APSA) chosen by the participants themselves (3 out of 5 offered). Within the experimental group, participants are grouped according to their level of physical ability. In addition, a group discussion with the Adapted Physical Activity Instructor is scheduled every four weeks.
Active Comparator: Classical tailored physical activity program	Other: Classical tailored physical activity program; The 'Classical tailored physical activity program'(control) group follows a classic adapted physical activity program not co-created, of the same duration of 12 weeks with 2 sessions per week.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Maintenance of physical activity	Maintenance of physical activity corresponds to the physical activity levels at 6 months and 1 year post-program. It will be measured by the Dijon questionnaire which is a self-administered questionnaire, comprising 9 items assessing the frequency, duration and intensity of physical activities carried out in daily life and leisure.	6 months and 1 year after the end of the intervention (T2, T3)
Adherence of physical activity program	Adherence corresponds to attendance rates at physical activity sessions during the program.	Through intervention completion, for 12 weeks.

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Stages of behavior change according to the transtheoretical model of behavior change	Stages of behavior change corresponds to the stage a person is at in a behavioral change process. It is measured via questionnaire which give the stages of behavior of the person (Stage 1, 2, 3 or 4)	Before the intervention (T0), at the end of the intervention (T1), 6 month after the end of the intervention (T2) and 1 year after the end of the intervention (T3)
Change process according to the transtheoretical model of behavior change	Change process corresponds to the mechanisms (strategies) that allow a person to move from one stage to another. It is the "levers" of change. It is measured via questionnaire. Each process is evaluated via several items. A score is obtained for each process. The higher the score, the more the person uses that process.	Before the intervention (T0), at the end of the intervention (T1), 6 month after the end of the intervention (T2) and 1 year after the end of the intervention (T3)
Decisionnal balance according to the transtheoretical model of behavior change	The decisional balance refers to how a person weighs the advantages and disadvantages of a change in behavior. It is measured via questionnaire which provides a score for the advantages and one for the disadvantages. The overall score represents the ratio between the two, indicating whether the person perceives more advantages or disadvantages in engaging in a behavior.	Before the intervention (T0), at the end of the intervention (T1), 6 month after the end of the intervention (T2) and 1 year after the end of the intervention (T3)
Self-efficacy according to the transtheoretical model of behavior change	Self-efficacy corresponds to a person's confidence in their ability to successfully change their behavior. It is measured via questionnaire. The higher the score the more capable the person feels of succeeding.	Before the intervention (T0), at the end of the intervention (T1), 6 month after the end of the intervention (T2) and 1 year after the end of the intervention (T3)
Body composition	Composition in lean mass and fat mass. It will assessed by dual-energy X-ray absorptiometry (DXA).	Before the intervention (T0) and at the end of the intervention (T1)
Walking capacities (physical capacities)	Walking speed (meter/sec)	Before the intervention (T0) and at the end of the intervention (T1)
Balance (physical capacities)	Postural balance, assessed using a K-Invent stabilometric platform, corresponds to the average speed of oscillations during standing	Before the intervention (T0) and at the end of the intervention (T1)
Functional strength of lower limbs (physical capacities)	It is measured via the "Five Sit-to-Stand" clinical test, which measures the time to perform five movements consisting of standing up and sitting down as quickly as possible from a chair. A shorter time reflects better functional performance	Before the intervention (T0) and at the end of the intervention (T1)
Muscular endurance (physical capacities)	It corresponds to the ability to sustain muscular effort for a long period. It is measured using the One-Minute Sit-to-Stand test, which involves standing up and sitting down in a chair as many times as possible within one minute. A higher number of repetitions indicates better performance.	Before the intervention (T0) and at the end of the intervention (T1)
Cardiorespiratory capacities	It is assessed via a test onsisting of performing ascents and descents of a step at a prescribed pace over a prolonged period.	Before the intervention (T0) and at the end of the intervention (T1)

Collaborators and Investigators

• Sponsor: Centre Hospitalier Universitaire de Nice
• Investigators: Principal Investigator: Olivier GUERIN, Pr, Centre Hospitalier Universitaire de Nice

Study record dates

Study Major Dates

• Study Start (Estimated): May 5, 2026
• Primary Completion (Estimated): May 5, 2028
• Study Completion (Estimated): May 5, 2028

Study Registration Dates

• First Submitted: April 8, 2026
• First Submitted That Met QC Criteria: May 7, 2026
• First Posted (Actual): May 12, 2026

Study Record Updates

• Last Update Posted (Actual): May 12, 2026
• Last Update Submitted That Met QC Criteria: May 7, 2026
• Last Verified: April 1, 2026

More Information

Terms related to this study

• Other Study ID Numbers: 25-PP-26

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: UNDECIDED

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No