Skip to main content

Table 16 Logistic regression - worked example

From: Data mining of audiology patient records: factors influencing the choice of hearing aid type

Candidate variables (database record) Actual values Predicted log odds Overall predicted log odds
Age 71 Not-significant 0
Gender Male -0.23 -0.23
AC250 75 0.57 0.34
AC500 70 0.72 1.06
AC1000 80 2.08 3.14
AC2000 90 1.19 4.33
AC4000 100 0.40 4.73
AC8000 100 0.09 4.82
BC250 40 -0.03 4.79
BC500 60 0.56 5.35
BC1000 65 0.56 5.91
BC2000 70 0.14 6.05
BC4000 70 Not-significant 6.05
Diagnosis Tinnitus Not-significant 6.05
Hearing aid type BTE To be found 6.05
Masker No masker Not-significant 6.05
Mould 2107 4.09 10.14
Free-text words REV -0.16+0.12 = -0.04 10.1