Table 3.
Comparison of global language scores for children using hearing aids (HA), categorised according to age at HA fitting at 3 months, 6 months or 9 months.
| HA fitting | 3 months | 6 months | 9 months | ||||
|---|---|---|---|---|---|---|---|
| Hearing level | ≤ 3mos | >3mos | ≤ 6mos | > 6mos | ≤ 9mos | > 9mos | |
| Moderate (41–60 dB HL) | n | 34 | 87 | 62 | 59 | 72 | 49 |
| Language, mean (SD) | 91.9 (19.9) | 83.2 (21.9) | 89.5 (19.1) | 81.5 (23.4) | 86.9 (22.2) | 83.8 (20.7) | |
| 95% CI | 84.9 – 98.9 | 78.5 – 87.8 | 84.7 – 94.4 | 75.4 – 87.6 | 81.6 – 92.1 | 77.8 – 89.7 | |
| p | 0.045* | 0.039* | 0.45 | ||||
| η2 | 0.033 | 0.035 | 0.005 | ||||
| Severe (61–80 dB HL) | n | 15 | 32 | 26 | 21 | ||
| Language, mean (SD) | 84.9 (17.2) | 62.6 (25.3) | 75.9 (23.4) | 61.9 (25.5) | |||
| 95% CI | 75.3 – 93.4 | 53.5 – 71.7 | 66.5 – 85.4 | 50.4 – 73.6 | |||
| p | 0.0035* | 0.057 | |||||
| η2 | 0.17 | 0.08 | |||||
*
marks significance at .05 probability level.
An effect size or η2 of .06 is considered medium, and .14 is large (Cohen, 1988).