Table 3.

ICC for comparison of estimates of working day, nonworking day, and total sun exposure up to age 40 years in 60 Australian subjects in 1997 to 1998 using face-to-face and telephone questionnaires

Sun exposure variableMen and women (n = 60), ICC (95% CI)Men (n = 34), ICC (95% CI)Women (n = 26), ICC (95% CI)
Working days to 40 y0.64 (0.46-0.77)0.71 (0.50-0.85)0.48 (0.12-0.72)
Nonworking days to 40 y0.60 (0.41-0.74)0.53 (0.25-0.73)0.67 (0.40-0.84)
Total sun exposure days (working and nonworking) to 40 y0.65 (0.48-0.78)0.73 (0.52-0.85)0.54 (0.21-0.76)
  • NOTE: The face-to-face questionnaire recorded exposure in subject-identified periods of constant exposure and the telephone questionnaire recorded exposure in specified decade years.