Table 1 Characteristics of cohort (number and proportion (%))
Characteristic | Boys (n = 754) | Girls (n = 779) |
|---|---|---|
Audiometry results | ||
Normal hearing | 393 (52.1%) | 403 (51.7%) |
Unilateral hearing loss | 154 (20.4%) | 170 (21.8%) |
Mild hearing impairment | 158 (21.0%) | 143 (18.4%) |
Moderate or worse hearing impairment | 49 (6.5%) | 63 (8.1%) |
Age of first audiometry test (median) | 10.2 | 10.2 |
Contact with child protection system before Year 7a (mutually inclusive group) | ||
Any child maltreatment notification | 282 (37.4%) | 258 (33.1%) |
Any neglect notification | 169 (22.4%) | 141 (18.1%) |
Any physical abuse notification | 103 (13.7%) | 92 (11.8%) |
Any sexual abuse notification | 65 (8.6%) | 72 (9.2%) |
Any emotional abuse notification | 57 (7.6%) | 60 (7.7%) |
Any out-of-home care placement | 33 (4.4%) | 26 (3.3%) |
Child maltreatment notification before Year 7a (mutually exclusive group) | ||
No child maltreatment report | 472 (62.6%) | 521 (66.9%) |
Reported for neglect only | 98 (13.0%) | 78 (10.0%) |
Reported for physical abuse only | 51 (6.8%) | 40 (5.1%) |
Reported for sexual abuse only | 26 (3.4%) | 36 (4.6%) |
Reported for emotional abuse only | 19 (2.5%) | 23 (3.0%) |
Reported for more than one abuse type | 88 (11.7%) | 81 (10.4%) |
Educational experience at Year 7 | ||
Enrolled by mother at Year 7 | 533 (70.7%) | 592 (76.0%) |
School attendance at Year 7 | ||
Less than 60% | 336 (44.6%) | 338 (43.4%) |
> =60% and less than 80% | 234 (31.0%) | 253 (32.5%) |
> =80% | 184 (24.4%) | 188 (24.1%) |
Community level factors | ||
Living in most disadvantaged areasb | 670 (88.9%) | 695 (89.2%) |
Living in very remote regions | 677 (89.8%) | 703 (90.2%) |