Table 6.
Meta-Analysis of the Association Between Cognitive Performance subdomains and SiN Masker Types (Collapsed Across Target Speech Types) for All Listeners.
| Cognitive subdomain | Target speech | SiN masker | Hearing range | Pooled sample size | Pooled association (r) | 95% CI of r | Z statistic and p value | I 2 | 95% CI of I2 | No. of sign studies/No. of all studies |
|---|---|---|---|---|---|---|---|---|---|---|
| Working memory | Collapsed | Unmodulated noise | All | 479 | .26 | [0.13, 0.38] | 3.76, <.001 | 50% | [0.0, 76.0] | 5/10 |
| Working memory | Modulated noise | 151 | .31 | [0.11, 0.48] | 3.00, .003 | 34% | [0.0, 76.5] | 1/4 | ||
| Working memory | >2-talker babble | 280 | .39 | [0.23, 0.52] | 4.54, <.001 | 45% | [0.0, 80.0] | 4/5 | ||
| Episodic memory | Unmodulated noise | 237 | .26 | [0.08, 0.42] | 2.88, .004 | 32% | [0.0, 74.2] | 3/5 | ||
| Crystallized IQ | Unmodulated noise | 207 | .13 | [−0.20, 0.43] | 0.75, .45 | 80% | [47.8, 92.5] | 1/4 |
Note. CI = confidence interval; I2 = heterogeneity statistic; SiN = speech-in-noise.