Table 4 Simple Tobit regression (right ear)
Frequency (Hz) | No. of non-responses | Risk factors Estimate of coefficient (SE); p-value | ||
|---|---|---|---|---|
Age | HIV Seropositive | NCD | ||
LFPTT | ||||
125 | 0 | 0.2 (0.09); 0.02 | 1.15 (1.98); 0.56 | 2.33 (2.16); 0.28 |
250 | 0 | 0.26 (0.1); 0.01 | 3.8 (2.24); 0.09 | − 0.42 (2.58); 0.87 |
500 | 0 | 0.25 (0.1); 0.01 | 5.89 (2.23); 0.01 | − 0.46 (2.66); 0.86 |
MFPTT | ||||
1000 | 1 | 0.11 (0.12); 0.38 | 3.52 (2.68); 0.19 | − 2.52 (3.08); 0.41 |
2000 | 0 | 0.32 (0.13); 0.01 | 3.33 (3.04); 0.27 | − 0.3 (3.54); 0.93 |
HFPTT | ||||
4000 | 0 | 0.56 (0.14); 0.01 | 8.21 (3.2); 0.01 | 1.0 (3.71); 0.79 |
8000 | 0 | 0.86 (0.17); 0.01 | 10.97 (4.02); 0.01 | 3.21 (4.6); 0.48 |
9000 | 0 | 1.13 (0.17); 0.01 | 11.4 (4.51); 0.01 | 4.37 (5.17); 0.39 |
EHFPTT | ||||
10,000 | 1 | 1.29 (0.19); 0.01 | 14.41 (4.97); 0.01 | 2.64 (5.83); 0.65 |
11,200 | 1 | 1.37 (0.20); 0.01 | 16.90 (5.25); 0.01 | 3 (6.17); 0.63 |
12,500 | 12 (14.6%) | 1.79 (0.21); 0.01 | 21.57 (5.78); 0.01 | − 5.45 (6.92); 0.43 |
14,000 | 31 (37.8%) | 2.04 (0.27); 0.01 | 24.62 (6.63); 0.01 | − 3.95 (7.88); 0.62 |
16,000 | 57 (70%) | 1.64 (0.34); 0.01 | 22.16 (7.06); 0.01 | − 5.1 (6.85); 0.46 |
18,000 | 75 (91%) | 0.47 (0.22); 0.03 | 5.31 (3.84); 0.17 | 1.06 (2.92); 0.72 |
20,000 | 79 (96%) | 0.42 (0.51); 0.14 | 8.7 (0.88); 0.01 | − 0.95 (1.23); 0.44 |