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Table 1 Demographic and clinical characteristics of a matched South Australian Aboriginal and non-Aboriginal cohort diagnosed with cancer between 1990 and 2010

From: Developing a comorbidity index for comparing cancer outcomes in Aboriginal and non-Aboriginal Australians

Demographic and clinical factors Aboriginal Non-Aboriginal
N (%) N (%) p-value
Age in years (mean, ± SD) 57.7 (± 15.6) 58.5 (± 15.5) p = 0.232
Sex
 Male 375 (48.3) 375 (48.3)  
 Female 402 (51.7) 402 (51.7) p = 1.000
Decade of diagnosis
 1990–1999 284 (36.6) 284 (36.6)  
 2000–2010 493 (63.5) 493 (63.5) p = 1.000
Area-level socioeconomic status
 Q1 (Most disadvantaged) 431 (55.5) 188 (24.2)  
 Q2 156 (20.1) 167 (21.5)  
 Q3 76 (9.8) 129 (16.6)  
 Q4 68 (8.8) 146 (18.8)  
 Q5 (Least disadvantaged) 46 (5.9) 147 (18.9) p < 0.001
Geographic remoteness
 Major cities 328 (42.2) 544 (70.0)  
 Inner regional 58 (7.5) 81 (10.4)  
 Outer regional 220 (28.3) 117 (15.1)  
 Remote 171 (22.0) 35 (4.5) p < 0.001
Degree of spread at diagnosis
 Localised 289 (37.2) 390 (50.2)  
 Regional 155 (20.0) 132 (17.0)  
 Distant 243 (31.3) 171 (22.0)  
 Unknown/unstageable 90 (11.6) 84 (10.8) p < 0.001
Grouped primary sites
 Head & neck 110 (14.2) 110 (14.2)  
 Gastrointestinal 162 (20.9) 162 (20.9)  
 Gynaecological 54 (7.0) 54 (7.0)  
 Genitourinary 11 (1.4) 11 (1.4)  
 Thoracic 124 (16.0) 124 (16.0)  
 Breast 78 (10.0) 78 (10.0)  
 Skin 34 (4.4) 34 (4.4)  
 Lympho haematopoietic 39 (5.0) 39 (5.0)  
 Prostate 45 (5.8) 45 (5.8)  
 Unknown primary 46 (5.9) 46 (5.9)  
 Other remaining sites 74 (9.5) 74 (9.5) p = 1.000
Vital status at 31/12/2013
 Alive 220 (28.3) 349 (44.9)  
 Non-cancer death 96 (12.4) 88 (11.3)  
 Cancer death 461 (59.3) 340 (43.8) p < 0.001