Table 6 Simple Tobit regression (left ear)
Frequency (Hz) | No. of non-responses | Variables Estimate of coefficient (SE); p-value | ||
|---|---|---|---|---|
Age | HIV seropositive | NCD | ||
LFPTT | ||||
125 | 1 | 0.36 (0.12); 0.01 | 0.95 (2.77); 0.73 | 3.51 (3.14 (0.26) |
250 | 0 | 0.41 (0.13); 0.01 | 0.71 (3.04); 0.82 | 3.5 (3.42); 0.31 |
500 | 0 | 0.4 (0.14); 0.01 | 0.36 (3.28); 0.91 | 4 (3.76); 0.28 |
MFPTT | ||||
1000 | 0 | 0.42 (0.16); 0.01 | 0.88 (3.56); 0.8 | 3.21 (4.02); 0.42 |
2000 | 0 | 0.55 (0.16); 0.01 | 2.21 (3.66); 0.55 | 3.25 (4.11); 0.43 |
HFPTT | ||||
4000 | 1 | 0.91 (0.17); 0.01 | 7.14 (4.29); 0.09 | 7.26 (4.89); 0.14 |
8000 | 0 | 1.11 (0.2); 0.01 | 9.77 (5.07); 0.05 | 1.62 (5.77); 0.01 |
9000 | 1 | 1.33 (0.19); 0.01 | 16.11 (4.92); 0.001 | 4.13 (5.82); 0.48 |
EHFPTT | ||||
10,000 | 3 | 1.64 (0.19); 0.01 | 21.23 (5.28); 0.01 | 5.25 (6.58); 0.42 |
11,200 | 5 | 1.95 (0.19); 0.01 | 25.3 (5.61); 0.01 | 0.54 (7.15); 0.94 |
12,500 | 12 (14.6%) | 2.02 (0.19); 0.01 | 26.4 (5.76); 0.01 | − 1.81 (7.36); 0.81 |
14,000 | 23 (28%) | 1.85 (0.21); 0.01 | 22.37 (5.76); 0.01 | 4.38 (7.16); 0.54 |
16,000 | 50 (61%) | 0.92 (0.23); 0.01 | 12.93 (4.81); 0.01 | 6.87 (5.67); 0.22 |
18,000 | 68 (83%) | 0.71 (0.46); 0.13 | 6.1 (9.42); 0.52 | 11.85 (9.62); 0.22 |
20,000 | 73 (89%) | 0.23 (0.21); 0.26 | 1.81 (4.34);0.68 | 4.74 (4.99);0.34 |