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Table 3 Ordinary least square regression analysis of factors associated with quality of life among epileptic patients attending public hospitals of Wollega zones, West Ethiopia, 2018

From: Health-related quality of life and associated factors among epileptic patients on treatment follow up at public hospitals of Wollega zones, Ethiopia, 2018

Variables Unstandardized coefficient Standardized coefficient t value P-value Multicollinearity statistics
Beta Standard error Beta Tolerance VIF
Monthly income
 ≤ 500 vs > 2000 EB − 12.49 2.19 − 0.25 − 5.70 < 0.001 0.71 1.40
 501–1000 vs > 2000 EB − 10.10 2.63 − 0.16 − 3.83 < 0.001 0.74 1.34
 1001–1500 vs > 2000 EB − 8.41 3.33 − 0.10 − 2.52 0.012 0.83 1.19
Living condition
 Alone vs with parents − 7.11 2.63 − 0.11 − 2.70 0.007 0.83 1.20
Adverse drug reaction
 Yes vs no − 10.86 1.83 − 0.23 − 5.92 < 0.001 0.88 1.13
Co-morbidity of anxiety
 Yes vs no − 12.99 2.03 − 0.25 − 6.39 < 0.001 0.85 1.16
Perceived social stigma
 Yes vs no − 9.73 1.94 − 0.20 − 5.00 < 0.001 0.87 1.14
Frequency of seizure
One per week vs none in past year − 8.41 2.52 − 0.13 − 3.33 0.001 0.89 1.12
  1. Intercept (constant) = 42.15; standard error = 3.62; t-value = 11.63; sig. < 0.001; adjusted R square = 0.458 (45.8%), F = 20.42, P < 0.001. Dependent variables: health related quality of life