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Table 1.

Skin damage score in relation to demographic characteristics of study group

n (%)Cast score, mean (SD)Unadjusted OR (95% CI)AOR* (95% CI)
Age (y) 
    18-29 92 (17.2) 3.0 (1.4) 1.00 (reference) 1.00 (reference) 
    30-39 184 (34.5) 3.6 (1.2) 2.83 (1.76-4.55) 2.76 (1.71-4.46) 
    40-49 166 (31.1) 4.6 (1.1) 10.80 (6.52-17.90) 10.70 (6.44-17.80) 
    50-59 92 (17.2) 4.9 (1.1) 19.96 (11.24-35.44) 21.14 (11.83-37.79) 
    Total 534  P < 0.001 P < 0.001 
Sex 
    Male 114 (21.4) 4.2 (1.3) 1.00 (reference) 1.00 (reference) 
    Female 420 (78.7) 4.0 (1.4) 0.71 (0.49-1.02) 0.54 (0.37-0.79) 
   P = 0.065 P = 0.002 
Location 
    Brisbane (27°S) 178 (33.3) 4.0 (1.4) 1.00 (reference) 1.00 (reference) 
    Newcastle (33°S) 99 (18.5) 4.1 (1.5) 1.12 (0.71-1.75) 1.03 (0.65-1.63) 
    Geelong (37°S) 142 (26.6) 3.8 (1.2) 0.85 (0.58-1.26) 0.69 (0.46-1.03) 
    Tasmania (43°S) 115 (21.5) 4.3 (1.3) 1.58 (1.05-2.40) 1.07 (0.69-1.65) 
   P = 0.11 P = 0.74 
Caucasian 
    No 27 (5.1) 3.37 (1.47) 1.00 (reference) 1.00 (reference) 
    Yes 506 (94.9) 4.07 (1.33) 2.87 (1.35-6.11) 4.36 (1.94-9.80) 
Country of birth 
    Australia 470 4.07 (1.34) Reference Reference 
    Other 61 3.79 (1.32) 0.70 (0.44-1.13) 0.40 (0.24-0.65) 
Age arrived in Australia 
    Australian-born 470 4.07 (1.34) 1.00 (reference) 1.00 (reference) 
    0-9 y 20 3.95 (1.23) 0.90 (0.42-1.92) 0.77 (0.35-1.69) 
    10-19 y 16 3.63 (1.20) 0.58 (0.25-1.36) 0.34 (0.15-0.81) 
    >20 y 25 3.76 (1.48) 0.65 (0.31-1.37) 0.23 (0.10-0.50) 
    Ptrend < 0.001 
Hand of cast 
    Left 511 3.99 (1.34) 1.00 (reference) 1.00 (reference) 
    Right 23 4.91 (1.16) 3.45 (1.61-7.43) 3.45 (1.54-7.74) 
n (%)Cast score, mean (SD)Unadjusted OR (95% CI)AOR* (95% CI)
Age (y) 
    18-29 92 (17.2) 3.0 (1.4) 1.00 (reference) 1.00 (reference) 
    30-39 184 (34.5) 3.6 (1.2) 2.83 (1.76-4.55) 2.76 (1.71-4.46) 
    40-49 166 (31.1) 4.6 (1.1) 10.80 (6.52-17.90) 10.70 (6.44-17.80) 
    50-59 92 (17.2) 4.9 (1.1) 19.96 (11.24-35.44) 21.14 (11.83-37.79) 
    Total 534  P < 0.001 P < 0.001 
Sex 
    Male 114 (21.4) 4.2 (1.3) 1.00 (reference) 1.00 (reference) 
    Female 420 (78.7) 4.0 (1.4) 0.71 (0.49-1.02) 0.54 (0.37-0.79) 
   P = 0.065 P = 0.002 
Location 
    Brisbane (27°S) 178 (33.3) 4.0 (1.4) 1.00 (reference) 1.00 (reference) 
    Newcastle (33°S) 99 (18.5) 4.1 (1.5) 1.12 (0.71-1.75) 1.03 (0.65-1.63) 
    Geelong (37°S) 142 (26.6) 3.8 (1.2) 0.85 (0.58-1.26) 0.69 (0.46-1.03) 
    Tasmania (43°S) 115 (21.5) 4.3 (1.3) 1.58 (1.05-2.40) 1.07 (0.69-1.65) 
   P = 0.11 P = 0.74 
Caucasian 
    No 27 (5.1) 3.37 (1.47) 1.00 (reference) 1.00 (reference) 
    Yes 506 (94.9) 4.07 (1.33) 2.87 (1.35-6.11) 4.36 (1.94-9.80) 
Country of birth 
    Australia 470 4.07 (1.34) Reference Reference 
    Other 61 3.79 (1.32) 0.70 (0.44-1.13) 0.40 (0.24-0.65) 
Age arrived in Australia 
    Australian-born 470 4.07 (1.34) 1.00 (reference) 1.00 (reference) 
    0-9 y 20 3.95 (1.23) 0.90 (0.42-1.92) 0.77 (0.35-1.69) 
    10-19 y 16 3.63 (1.20) 0.58 (0.25-1.36) 0.34 (0.15-0.81) 
    >20 y 25 3.76 (1.48) 0.65 (0.31-1.37) 0.23 (0.10-0.50) 
    Ptrend < 0.001 
Hand of cast 
    Left 511 3.99 (1.34) 1.00 (reference) 1.00 (reference) 
    Right 23 4.91 (1.16) 3.45 (1.61-7.43) 3.45 (1.54-7.74) 

*Adjusted for age, sex (where appropriate), and left/right cast; see text for model details.

Other includes northern Europe, United Kingdom, South Africa, New Zealand, Southeast Asia, Africa, and the Pacific Islands.

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