Table 1.

Four case-control studies done between 1988 and 2001 that were used as sources of data for this report

StudiesYear of interviewSun exposure data collection methodContribution to methods for measuring sun exposure
1. BCC in Western Australia 201 cases, 700 controls (1)1988Face-to-face interview asked: whole-of life questionsSource of original methods for measuring sun exposure on which subsequent studies were based and data to assist in developing a shortened questionnaire
2. SCC in Western Australia 132 cases, 1031 controls (6)1993SameReliability of face-to-face approach tested by repeat interview of 75 cases with BCC, 115 controls, 6 y after the first interview in 1988 (8)
3. Ocular melanoma in Australia 298 cases, 916 controls (10)1997-1998Telephone interview (CATI) asked about decade years only to 40 yOriginal face-to-face interview about whole-of-life sun exposure revised and shortened to 4 decade years of life for use in telephone interview. Data from first study used to guide the shortening.
Parallel measures of occupational and recreational sun exposureIntermethod reliability tested in reinterview of 15 cases and 45 controls after an average of 15 months with the face-to-face approach
Intramethod reliability tested using parallel measures of occupational and recreational sun exposure
4. Non-Hodgkin's lymphoma in New South Wales and ACT 714 cases, 694 controls (12)2000-2001Telephone interview (CATI) asked: decade years only to 60 yIntramethod reliability tested using parallel measures of occupational sun exposure
Parallel measure of occupational sun exposure