The effect of a personalised letter on response rates to a postal questionnaire: a randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN45665423

Enrollment

627

Registered

2004-09-30

Start date

2002-06-01

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Exercise referral Not Applicable

Interventions

A two-group randomised trial of a personalised letter versus a standard letter.

Eligibility

Inclusion criteria

Inclusion criteria: People living in the community of Bolton who had been referred to the exercise referral scheme over a three year period.

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

Measure	Time frame
The number of completed questionnaires returned after completing all methods of follow-up.	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026