Table 1 Variables used from the EPIC study measures, with type of measurement and date collected

Incident diabetes

Survey, GP records, hospital data

18 month follow-up

Health Check 2

Ten year follow up

1994–1998

1996–2000

2003–2007

Home postcode (residential location)

Survey (Health Follow-up 1 Questionnaire)

18 month follow-up

1994–1998

Physical activity

Survey (Health and Lifestyle Questionnaire)

Health Check 1 (baseline)

1993–1997

Height and weight

Physical examination by trained staff

Health Check 1 (baseline)

1993–1997

Demographics, lifestyle and health

Survey (Health and Lifestyle Questionnaire)

Health Check 1 (baseline)

1993–1997