Table 1 Demographic and clinical profile of patients by Indigenous status
|  | Non-Indigenous (n = 286) | Indigenous (n = 190) | p-value |
|---|---|---|---|
Age (years) - mean (95% CI) | 54.4 (52.2, 56.6) | 46.7 (44.7, 48.7) | < 0.001 |
Sex (Females) | 121 (42%) | 125 (66%) | < 0.001 |
Presented in Wet season | 135 (47%) | 100 (53%) | 0.246 |
Patients with multiple presentations (wet) | 3 (2%) | 14 (14%) | 0.001 |
Median number of presentations (wet) (IQR) | 2 (2, 2) | 2 (2, 3) | 0.757 |
Presented in Dry season | 151 (53%) | 90 (47%) | 0.246 |
Patients with multiple presentations (dry) | 4 (3%) | 11 (12%) | 0.003 |
Median number of presentations (dry) (IQR) | 2 (2, 2.5) | 2 (2, 2) | 0.954 |
Presented in Both seasons | 2 (1%) | 7 (4%) | 0.019 |
Patients with multiple presentations (overall) | 7 (3%) | 30 (16%) | < 0.001 |
Median number of presentations (overall) (IQR) | 2 (2, 2) | 2 (2, 2) | 0.706 |
Current smoker | 79 (50%) | 112 (84%) | < 0.001 |
Former smoker | 54 (34%) | 15 (11%) | < 0.001 |
Non smoker | 25 (16%) | 6 (5%) | 0.002 |
Missing* | 128 (45%) | 57 (30%) | 0.001 |
Residence (nursing home or boarding accommodation) | 3 (1%) | 0 (0%) | 0.157 |
Comorbidities | |||
 Airway disease^ | 74 (26%) | 45 (24%) | 0.589 |
 OSA | 12 (4%) | 4 (2%) | 0.215 |
 Other respiratory condition | 28 (10%) | 17 (9%) | 0.758 |
 Any medical comorbidity | 95 (33%) | 60 (32%) | 0.709 |