Table 1.
Demographic characteristics of participants (N = 301)
| Child characteristics | |
| Gender | |
| Male | 160 (53.2%) |
| Female | 141 (46.8%) |
| Birth weight (g) | |
| Mean | 3,008 |
| SD | 962 |
| Median | 3,200 |
| Interquartile range | 2,590–3,645 |
| Not reported (n) | 25 |
| Device | |
| Hearing aid | 218 (72.3%) |
| Cochlear implant | 82 (27.2%) |
| Unaided | 1 (0.3%) |
| Additional disabilities | |
| Absent | 194 (64.4%) |
| Present | 78 (25.9%) |
| Unknown | 29 (9.6%) |
| Severity of hearing lossa | |
| Mild (20–40 dB HL) | 59 (19.6%) |
| Moderate (41–60 dB HL) | 106 (35.2%) |
| Severe (61–80 dB HL) | 51 (16.9%) |
| Profound (>80 dB HL) | 85 (28.2%) |
| Age at first hearing aid fitting (months) | |
| Mean | 7.7 |
| SD | 7.9 |
| Median | 4.3 |
| Interquartile range | 2.4–10.4 |
| Age at first cochlear implant switch-on (months) | |
| Mean | 16.8 |
| SD | 7.8 |
| Median | 14.5 |
| Interquartile range | 10.0–23.5 |
| Family characteristics | |
| Maternal education | |
| School | 100 (33.2%) |
| Diploma or certificate | 71 (23.6%) |
| University | 118 (39.2%) |
| Not reported | 9 (3.0%) |
| Socio-economic status (IRSAD decileb) | |
| Mean | 7 |
| Median | 7 |
| Interquartile range | 6–9 |
| Intervention characteristics | |
| Communication mode in intervention | |
| Aural/oral only | 219 (72.8%) |
| Oral and sign | 70 (23.3%) |
| Sign only | 2 (0.7%) |
| Not reported | 10 (3.3%) |
Note. aBetter ear average hearing threshold, 0.5–4kHz.
bIndex of Relative Socio-economic Advantage and Disadvantage (IRSAD; Australian Bureau of Statistics, 2006).