Table 2. Participant characteristics by cluster at the time of consent.
| Characteristic | Cluster A | Cluster B | Cluster C | Cluster D | Total |
|---|---|---|---|---|---|
| Number of participants | 83 | 65 | 63 | 60 | 271 |
| Mean age (SD) | 8.9 (1.7) | 8.7 (1.8) | 8.9 (1.8) | 8.4 (1.5) | 8.7 (1.7) |
| n (%) | |||||
| Sex | |||||
| Male | 41 (49) | 39 (60) | 26 (41) | 28 (47) | 134 (49) |
| Female | 42 (51) | 26 (40) | 37 (59) | 32 (53) | 137 (51) |
| Indigenous Status | |||||
| Aboriginal and/or Torres Strait Islander | 73 (88) | 61 (92) | 60 (95) | 51 (85) | 245 (90) |
| Not Stated | 10 (12) | <6 (<8)a | <6 (<8) | 9 (15) | 26 (10) |
| Only Aboriginal languages spoken at home | 34 (41) | 9 (14) | 20 (32) | 19 (32) | 82 (30) |
| School grade | |||||
| Grade 1 | 12 (14) | 14 (22) | 12 (19) | 13 (22) | 51 (19) |
| Grade 2 | 10 (12) | 12 (19) | 9 (14) | 8 (13) | 39 (14) |
| Grade 3 | 14 (17) | 9 (14) | <6 (<8) | 19 (32) | 46 (17) |
| Grade 4 | 14 (17) | 8 (12) | 10 (16) | 6 (10) | 38 (14) |
| Grade 5 | 21 (25) | 8 (12) | 18 (29) | 14 (23) | 61 (23) |
| Grade 6 | 12 (14) | 14 (22) | 10 (16) | 0 | 36 (13) |
a Ethics committee requirements prevent reporting of results where n <6. In these instances, percentages are expressed as % = 5/cluster n.