Against this background we conducted two surveys in Germany and Austria which used an identical questionnaire with eight clusters of questions covering the topics hospital demographics, IT infrastructure, EPR, nursing information systems in use and in planning, requirements of nursing information systems, financial situation, and access to the national eHealth infrastructure.
25 27 Using an identical structured questionnaire, demographic and economic indicator information was gathered from the participants for age (current and at-displacement), marital status, education, employment, current debt and food insecurity at both study phases.
Anonymous telephone interviews were conducted by well-trained interviewers, using an identical structured questionnaire, from May 7 to May 9 (Day 7-9, n = 550), from May 14 to May 17 (Day 14-17, n = 201), and from June 4 to June 6 (Day 34-36, n = 248), 2009.
For both cases and controls, face-to-face interviews were performed, using an identical structured questionnaire to collect information on age, place of residence, marital status, educational level, family history of breast cancer, age at menarche, occupation, parity, past use of oral contraceptives, age at first pregnancy and lifetime duration of breastfeeding.
A consecutive sample of outpatients with rheumatic diseases seen at a tertiary referral hospital within a 2-week period were interviewed by trained nurse interviewers using an identical English or Chinese questionnaire containing the Singaporean English or Chinese EQ-5D, a 10 cm pain visual analog scale (VAS), and assessing psychosocial, socio-demographic and other variables.
We have also calculated the weighted kappa statistic for the four-category PA index from the baseline and follow-up questionnaires using an identical approach to that used in EPIC [ 8], with weights defined as 1-[ i-j / k-1)].
Information about environmental exposures was collected from cases and controls by means of an identical questionnaire used in a face-to-face interview by well-trained interviewers.
Interviews for the two studies used a virtually identical questionnaire to obtain lifetime occupational and smoking history, and several lifestyle covariates.
The specialist completed an identical questionnaire, blinded to the patient's response to the self-administered questionnaire.
