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Table 4.

Relationship between skin damage score and other signs of past sun exposure

nUnadjusted OR (95% CI)OR (95% CI), adjusted for age and sexFully AOR* (95% CI)
Any pterygium 
    No 275 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 227 1.53 (1.12-2.09) 1.10 (0.80-1.52) 1.02 (0.73-1.42) 
Any skin cancer 
    No 463 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 37 2.64 (1.40-4.99) 1.71 (0.90-3.27) 1.74 (0.91-3.33) 
Any solar keratosis 
    No 375 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 122 3.14 (2.15-4.57) 1.67 (1.12-2.48) 1.55 (1.03-2.32) 
Any cataract 
    No 488 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 13 2.50 (0.98-6.36) 1.01 (0.37-2.78) 1.00 (0.36-2.80) 
Any melanoma 
    No 469 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 31 2.96 (1.46-6.00) 2.01 (0.99-4.10) 1.92 (0.94-3.94) 
Nevi count 
    0 57 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    1-9 203 0.33 (0.20-0.57) 0.38 (0.22-0.67) 0.39 (0.22-0.68) 
    10-19 84 0.41 (0.22-0.75) 0.49 (0.26-0.91) 0.48 (0.25-0.90) 
    20-49 113 0.26 (0.15-0.47) 0.37 (0.20-0.67) 0.36 (0.20-0.67) 
    ≥50 47 0.31 (0.15-0.63) 0.41 (0.20-0.84) 0.36 (0.17-0.75) 
  Ptrend = 0.002 Ptrend = 0.07 Ptrend = 0.04 
Large nevi (>5 mm) count 
    0 394 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    1-4 108 1.03 (0.71-1.50) 1.14 (0.77-1.67) 1.04 (0.70-1.55) 
    ≥5 26 1.41 (0.68-2.90) 1.52 (0.73-3.17) 1.39 (0.65-2.95) 
  Ptrend = 0.45 Ptrend = 0.24 Ptrend = 0.48 
nUnadjusted OR (95% CI)OR (95% CI), adjusted for age and sexFully AOR* (95% CI)
Any pterygium 
    No 275 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 227 1.53 (1.12-2.09) 1.10 (0.80-1.52) 1.02 (0.73-1.42) 
Any skin cancer 
    No 463 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 37 2.64 (1.40-4.99) 1.71 (0.90-3.27) 1.74 (0.91-3.33) 
Any solar keratosis 
    No 375 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 122 3.14 (2.15-4.57) 1.67 (1.12-2.48) 1.55 (1.03-2.32) 
Any cataract 
    No 488 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 13 2.50 (0.98-6.36) 1.01 (0.37-2.78) 1.00 (0.36-2.80) 
Any melanoma 
    No 469 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    Yes 31 2.96 (1.46-6.00) 2.01 (0.99-4.10) 1.92 (0.94-3.94) 
Nevi count 
    0 57 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    1-9 203 0.33 (0.20-0.57) 0.38 (0.22-0.67) 0.39 (0.22-0.68) 
    10-19 84 0.41 (0.22-0.75) 0.49 (0.26-0.91) 0.48 (0.25-0.90) 
    20-49 113 0.26 (0.15-0.47) 0.37 (0.20-0.67) 0.36 (0.20-0.67) 
    ≥50 47 0.31 (0.15-0.63) 0.41 (0.20-0.84) 0.36 (0.17-0.75) 
  Ptrend = 0.002 Ptrend = 0.07 Ptrend = 0.04 
Large nevi (>5 mm) count 
    0 394 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    1-4 108 1.03 (0.71-1.50) 1.14 (0.77-1.67) 1.04 (0.70-1.55) 
    ≥5 26 1.41 (0.68-2.90) 1.52 (0.73-3.17) 1.39 (0.65-2.95) 
  Ptrend = 0.45 Ptrend = 0.24 Ptrend = 0.48 

*Adjusted for age, sex, buttock melanin density, left/right cast, and cumulative UVR dose; see text for model details.

By nurse observation.

By self-report.

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