Table 2.
Participant characteristics.
| Group | Control | VI | HI | DSI |
|---|---|---|---|---|
| N | 31 | 30 | 21 | 22 |
| Age, mean (SD), years | 48.6 (22.8) | 55.8 (16.1) | 75.4 (5.9) | 71.0 (16.6) |
| Onset, congenital/acquired* | NA | 9/21 | 2/19 | 2/20 |
| Visual acuity, mean (SD), logMAR | − 0.04 (0.12) | 0.78 (0.57) | 0.02 (0.08) | 0.70 (0.54) |
| Contrast sensitivity, mean (SD), logCS | 2.00 (0.21) | 1.33 (0.66) | 1.86 (0.13) | 1.10 (0.57) |
| Field impairment, central/peripheral/intact | NA | 10/10/10 | NA | 8/7/7 |
| Pure tone average,† mean (SD), dB HL | 4.85 (6.93) | 7.14 (7.29) | 33.52 (11.68) | 28.37 (11.32) |
SD: Standard deviation, VI: Vision impairment only, HI: Hearing impairment only, DSI: Dual sensory impairment, NA: not applicable because there was no impairment, MAR: minimum angle of resolution, HL Hearing level.
*Congenital refers to people who report having vision/hearing impairment since birth.
†Pure tone average across 0.5, 1, 2 and 4 kHz in the better ear without correction.