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- Klinische proef NCT02907164
Using Social Norms to Encourage People to Exercise More
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
The investigators are interested in using social norms to motivate people to sign up for a 100-day exercise challenge and exploring how to make social norms messages more effective. Specifically, the primary purposes of this study are to test (a) whether social norms messages (i.e., information about how many people have signed up for the challenge) can increase signup rates and eventually lead people to exercise more and (b) whether such messages become more effective when they highlight different types of motivations (intrinsic vs. extrinsic motivations). Through a partnership with a university, the investigators are running a large-scale, randomized field controlled trial aimed at increasing sign-ups for the challenge and exercise frequencies during the challenge.
Benefits-eligible employees at the partner university are randomly assigned to one of four experimental conditions and receive the corresponding version of email message encouraging them to sign up for the challenge.
(1) In the control group, the email does not mention the number of people who have signed up. (2) In the norm condition, the email mentions the number of people who have signed up. (3) In the norm and health motive condition, the email mentions the number of people who have signed up, and highlights that the challenge is designed to help people to stay fit in a fun way. (4) In the norm and reward motive condition, the email mentions the number of people who have signed up, and highlights that the challenge is designed to help people to stay active and earn rewards.
The investigators hypothesize that Groups 2, 3, and 4 will have a higher sign-up rate and higher exercise frequencies on average than Group 1, because positive social norms should motivate people to engage in the target, desirable behavior. Also, the investigators will compare sign-up rates and exercise frequencies between Groups 2, 3, and 4 to examine whether highlighting intrinsic and extrinsic motives can further increase sign-up rates and overall exercise frequencies than only giving social norms information.
All benefits-eligible employees at the partner university for whom the Human Resource (HR) office has an email address on record receive invitation emails from HR. The invitation emails that contain the interventions are sent out one week AFTER the registration period has started, because HR needs to know how many people sign up in the first week and use this information to create a social norms message. Employees who sign up for the challenge during the first week of the registration period (i.e., prior to the implementation of the interventions) cannot be affected by the interventions. Thus, the investigators decide in advance that these employees will be excluded from analysis.
Employees will receive two emails that are sent eight days apart from each other. Thus, the investigators plan to examine both the sign-up rates within one week after each email goes out and the overall sign-up rates throughout the 50-day registration period.
The investigators plan to explore moderators based on (a) employees' demographics (age, gender, ethnicity, position), (b) employees' participation in previous challenges, and (c) employees' health condition and fitness level prior to the challenge (such as how actively they have been participating in other wellness activities, their health statistics).
Studietype
Inschrijving (Verwacht)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Missouri
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St. Louis, Missouri, Verenigde Staten, 63108
- Hengchen Dai
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- All benefits-eligible employees at partner university for whom the Human Resource office has an email address on record
Exclusion Criteria:
- Employees who sign up for the challenge prior to the implementation of the interventions will NOT be included in the analysis.
(The interventions are implemented one week after the registration period has started. The partner university has to send invitation emails to all benefits-eligible employees with an email address on record, including those who already signed up. However, employees who already signed up cannot be affected by the interventions and thus will be excluded from the analysis.)
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Ondersteunende zorg
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
---|---|
Actieve vergelijker: Group 1: Control
People receive emails encouraging them to sign up for the challenge.
The email does not mention the number of people who have signed up.
|
Receive emails encouraging them to sign up
|
Experimenteel: Group 2: Norm
People receive emails encouraging them to sign up for the challenge.
The email mentions the number of people who have signed up.
|
Receive emails encouraging them to sign up
Receive information about how many people have signed up
|
Experimenteel: Group 3: Norm and health motive
People receive emails encouraging them to sign up for the challenge.
The email mentions the number of people who have signed up AND highlights that the challenge helps people to stay fit in a fun way.
|
Receive emails encouraging them to sign up
Receive information about how many people have signed up
Receive information about how the challenge helps people to stay fit in a fun way
|
Experimenteel: Group 4: Norm and reward motive
People receive emails encouraging them to sign up for the challenge.
The email mentions the number of people who have signed up AND highlights that the challenge helps people to stay active and earn rewards.
|
Receive emails encouraging them to sign up
Receive information about how many people have signed up
Receive information about how the challenge helps people to stay active and earn rewards
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Percentage of people who sign up for the challenge
Tijdsspanne: During the registration period, 50 days
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Whether or not each person signs up for the challenge during the registration period
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During the registration period, 50 days
|
Activity level
Tijdsspanne: Through study completion, 100 days
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Number of steps taken each day, as recorded in participants' online portal
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Through study completion, 100 days
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Body Mass Index (BMI)
Tijdsspanne: Most recent BMI as entered by participant, an expected average of 2 months after study start
|
most recent BMI in pounds (weight) and inches (height) as entered by participant, an expected average of 2 months after study start.
Obtaining the data is dependent on the ability to obtain the data from the online portal.
|
Most recent BMI as entered by participant, an expected average of 2 months after study start
|
cholesterol
Tijdsspanne: Most recent cholesterol as entered by participant, an expected average of 2 months after study start
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Most recent total, low, and high cholesterol levels in mg/dl as entered by participant, an expected average of 2 months after study start.
Obtaining the data is dependent on the ability to obtain the data from the online portal.
|
Most recent cholesterol as entered by participant, an expected average of 2 months after study start
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blood pressure
Tijdsspanne: Most recent blood pressure as entered by participant, an expected average of 2 months after study start
|
Most recent systolic and diastolic levels in mmHg as entered by participant, an expected average of 2 months after study start.
Obtaining the data is dependent on the ability to obtain the data from the online portal.
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Most recent blood pressure as entered by participant, an expected average of 2 months after study start
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stress
Tijdsspanne: Most recent stress as entered by participant, an expected average of 2 months after study start
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Most recent self-reported stress level on a 1-5 scale (with 1 indicating "Relaxed" and 5 indicating "Highly Stressed") as entered by participant, an expected average of 2 months after study start.
Obtaining the data is dependent on the ability to obtain the data from the online portal.
|
Most recent stress as entered by participant, an expected average of 2 months after study start
|
Email open and click rates
Tijdsspanne: Through study completion, 100 days
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The rates at which people in each experimental condition read the invitation emails and click on links in the emails
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Through study completion, 100 days
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Medewerkers en onderzoekers
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Hengchen Dai, Ph.D, Washington University School of Medicine
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Verwacht)
Studie voltooiing (Verwacht)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Andere studie-ID-nummers
- 201608038
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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