Design of the SALT Osteoporosis Study: a randomised pragmatic trial, to study a primary care screening and treatment program for the prevention of fractures in women aged 65 years or older

Table 5 Procedures of data collection and entry in the SALT Osteoporosis Study

Data collection
Sending of questionnaire by mail
If no reply: repeated sending of questionnaire
If no reply: sending of abbreviated questionnaire
If no reply: follow-up calls by phone
Data entry
Entry of the data in the database in duplo by different administrators
If mismatch: checking of data by third person
If missing data on important questions: follow-up calls by phone If reported rheumatoid arthritis or prednisone use (first questionnaire): verification at general practitioner

ISSN: 1471-2474