Effects of Targeted Follow-up of New Fitness Center Members

Long-term Effects of Targeted Follow-up of New Fitness Center Members: a Blinded Randomized Controlled Trial

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03989804

Enrollment

356

Registered

2019-06-18

Start date

2014-09-01

Completion date

2018-09-01

Last updated

2019-06-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

New Members of Fitness Centers

Keywords

Fitness center, Physical activity, Follow-up, Members, Visits, Membership terminations, Training advisors

Brief summary

Objective: To investigate the long-term effects of targeted follow-up of new fitness center members compared to usual practice, on frequency of visits and membership terminations after four years. Design and setting: A participant and provider blinded parallel group randomized controlled trial conducted at eight Fitness Centers in Trondheim, Central Norway. Participants: The inclusion criteria were new members \>16 years who between September 1st to 9th 2014 signed up for an ordinary contract with a minimum duration of 12 months. Intervention: The intervention consisted of two phone calls and one e-mail delivered over 6-8 weeks after enrollment, aiming to motivate members to get started using the fitness center and its services. Usual practice at the fitness center is self-directed use.

Interventions

BEHAVIORALTargeted follow-up

2 phone calls and 1 e-mail delivered over 6-8 weeks after enrollment aiming to help and support members to get started using the fitness center and its services.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

OTHER

Masking

DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender

ALL

Age

16 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* The study included new members (16 years in 2014 or older) on ordinary contracts with a minimum duration of 12 months and monthly automatic membership renewal that enrolled independent of the study at one of eight 3T-Fitness Centers in Trondheim between September 1st and September 9th, 2014.

Exclusion criteria

Design outcomes

Primary

Measure	Time frame
Number of days with visits at the fitness center chain	4 years
Rate of membership terminations	4 years

Secondary

Measure	Time frame
Number bookings to training advisors	4 years

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026