Table 1.

Outcome of recruitment of cases and controls (Skin Health Study)

CasesControls
n (%)n (%)
Total from cancer registry (cases) or from drivers license list (controls)2,026 (100.0)3,095 (100.0)
Unable to determine eligibility
Total557 (27.5)1,354 (43.7)
    No phone available164598
    Not reached by phone71273
    Subject refused79468
    Physician refusal124
    Died2315
    Nonparticipating institution93
    Other3
Respondent not eligible
Total89 (4.4)151 (4.9)
    Prior melanoma7614
    Noncutaneous melanoma2
    Not melanoma1
    Not residing in Minnesota063
    Language/other1074
Respondents screened and eligible
Total1,380 (68.1)1,590 (51.4)
    Did not return self-administered questionnaire186 (13.5)447 (28.1)
        Did not return128269
        Refused55174
        Died21
        Other13
    Did not complete telephone interview27 (1.9)42 (2.7)
        Not reached1726
        Refused/incomplete914
        Died/incapable12
    Completed self-administered questionnaire and telephone interview1,167 (84.6)1,101 (69.2)