Meanings of postal questionnaires in English

Participants received email invitations to an online survey; nonparticipants received postal questionnaires.

Material and methods: The survey was conducted by postal questionnaires with 17 close-ended questions.

All study participants will be followed up for 60 months via postal questionnaires or telephone interviews after hospital discharge.

Outcome data were collected by postal questionnaires at 3, 6, 9 and 12 months.

The count is being conducted through postal questionnaires which have been sent to the chief executives of 87 hospitals.

The GFS, pain intensity, fear-avoidance beliefs, and life satisfaction appeared to lack sufficient reliability to be recommended in postal questionnaires.

Objectives: To evaluate the test-retest reliability of self-reported functional status and pain in chronic low back pain patients by postal questionnaires.

Patients and carers who completed the postal questionnaires were not masked to treatment allocation, but telephone follow-up in non-responders was masked.

Background: Although many studies have examined factors that influence the response to postal questionnaires, few have addressed baseline recruitment for cohort studies involving genetic analyses.

Patients are reviewed at 2, 6 and 52 weeks and with annual postal questionnaires and clinical and radiological review at 5 and 10yrs.

Postal questionnaires are inexpensive and should be considered to assess long-term results.

Postal questionnaires will be completed at baseline (pre-randomization) and at 6, 12 and 24 weeks.

Methods: Postal questionnaires were send to AED self-referrals and logistic regression analysis was used to contrast self-referrals to patients contacting the GP cooperative.