Table 2.
Incident falls (1) | Recurrent falls (≥ 2) | |||||
---|---|---|---|---|---|---|
1 Fall/ 0 fallse |
OR [95% CI] | p | ≥ 2 Falls/ < 2 fallse |
OR [95% CI] | p | |
Model 1 | ||||||
Baseline SRTn (dB SNR) | - | 0.003**a | - | 0.030*a | ||
-10.6 to -7.4 (reference) | 22/168 | 1 | 6/198 | 1 | ||
-7.2 to -6.2 | 20/198 | 1.00 [0.55, 1.83] | 0.99 | 14/178 | 2.61 [1.14, 5.94] | 0.023* |
-6.0 to -4.2 | 26/170 | 0.94 [0.50, 1.79] | 0.86 | 12/178 | 2.05 [0.90, 4.67] | 0.087 |
-4.0 to 1.9 | 26/150 | 2.27 [1.29, 3.99] | 0.004** | 20/174 | 3.49 [1.52, 8.00] | 0.003* |
Model 2b | ||||||
Baseline SRTn (dB SNR) | - | - | - | - | 0.12a | |
10.6 to -7.4 (reference) | - | - | - | 6/197 | 1 | |
-7.2 to -6.2 | - | - | - | 14/178 | 2.15 [0.90, 5.13] | 0.086 |
-6.0 to -4.2 | - | - | - | 12/178 | 1.79 [0.64, 4.35] | 0.20 |
-4.0 to 1.9 | - | - | - | 20/174 | 2.91 [1.21, 7.02] | 0.017* |
Stratified model | ||||||
BMI < 30c | - | 0.32a | - | - | - | |
Baseline SRTn (dB SNR) | ||||||
10.6 to -7.4 (reference) | 18/163 | 1 | - | - | - | |
-7.2 to -6.2 | 17/149 | 0.96 [0.50, 1.86] | 0.91 | - | - | - |
-6.0 to -4.2 | 16/144 | 0.86 [0.42, 1.75] | 0.68 | - | - | - |
-4.0 to 1.9 | 25/136 | 1.50 [0.80, 2.80] | 0.21 | - | - | - |
BMI ≥ 30d | - | 0.002**a | - | - | - | |
Baseline SRTn (dB SNR) | ||||||
10.6 to -7.4 (reference) | 1/21 | 1 | - | - | - | |
-7.2 to -6.2 | 1/25 | 0.89 [0.07, 12.1] | 0.93 | - | - | - |
-6.0 to -4.2 | 3/25 | 2.39 [0.27, 20.9] | 0.43 | - | - | - |
-4.0 to 1.9 | 13/19 | 14.7 [2.12, 103] | 0.007** | - | - | - |
Model 1 represents the unadjusted model and Model 2 adjusted for confounders
OR odds ratio, CI confidence interval, SRTn speech reception threshold in noise, dB decibel, SNR signal-to-noise ratio, BMI body mass index, RQ research question, ΔSRTn change in speech reception threshold in noise
aRepresents p-values for Type III fixed effect for baseline SRTn
bAdjusted for dizziness and injury
cAdjusted for chronic back pain
dAdjusted for osteoarthritis of the knees/hips/hands
eRepresents number of participants who reported falls per baseline SRTn quartile
*p < 0.05
**p < 0.01