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)
    18-2992 (17.2)3.0 (1.4)1.00 (reference)1.00 (reference)
    30-39184 (34.5)3.6 (1.2)2.83 (1.76-4.55)2.76 (1.71-4.46)
    40-49166 (31.1)4.6 (1.1)10.80 (6.52-17.90)10.70 (6.44-17.80)
    50-5992 (17.2)4.9 (1.1)19.96 (11.24-35.44)21.14 (11.83-37.79)
    Total534P < 0.001P < 0.001
Sex
    Male114 (21.4)4.2 (1.3)1.00 (reference)1.00 (reference)
    Female420 (78.7)4.0 (1.4)0.71 (0.49-1.02)0.54 (0.37-0.79)
P = 0.065P = 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 = 0.11P = 0.74
Caucasian
    No27 (5.1)3.37 (1.47)1.00 (reference)1.00 (reference)
    Yes506 (94.9)4.07 (1.33)2.87 (1.35-6.11)4.36 (1.94-9.80)
Country of birth
    Australia4704.07 (1.34)ReferenceReference
    Other613.79 (1.32)0.70 (0.44-1.13)0.40 (0.24-0.65)
Age arrived in Australia
    Australian-born4704.07 (1.34)1.00 (reference)1.00 (reference)
    0-9 y203.95 (1.23)0.90 (0.42-1.92)0.77 (0.35-1.69)
    10-19 y163.63 (1.20)0.58 (0.25-1.36)0.34 (0.15-0.81)
    >20 y253.76 (1.48)0.65 (0.31-1.37)0.23 (0.10-0.50)
Ptrend < 0.001
Hand of cast
    Left5113.99 (1.34)1.00 (reference)1.00 (reference)
    Right234.91 (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.