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Table 3 Multivariable linear regression model showing predictors of preoperative anxiety

From: Predictors of preoperative anxiety among surgical patients in Jimma University Specialized Teaching Hospital, South Western Ethiopia

Variables entered into model B SE P 95% CI
Marital status     
Single 5.288 1.593 0.001* (2.149,8.428)
Divorced 5.629 2.829 0.048* (0.053,11.205)
 Widowed −2.672 3.314 0.421 (−9.203, 3.859)
Educational status     
 Read and write −0.440 1.828 0.810 (−4.042, 3.163)
 Grade1- 6 0.859 1.771 0.628 (−2.632, 4.350)
 Grade 7-8 −3.395 2.170 0.119 (−7.673, 0.882)
 Grade 9-12 0.699 1.962 0.722 (−3.168, 4.565)
 College and above 2.389 2.137 0.265 (−1.823, 6.601)
Occupation     
 Government worker −2.190 2.125 0.304 (−6.379, 1.999)
 Private worker 0.699 1.440 0.628 (−2.139, 3.537)
 House wife 1.869 1.960 0.342 (−1.995, 5.732)
 Student 0.318 2.753 0.908 (−5.109, 5.745)
Income 0.002 0.001 0.001* (0.001, 0.004)
Substance use     
 No −1.769 1.546 0.254 (−4.816, 1.279)
Trait anxiety 0.719 .064 0.000* (0.593, 0.846)
Presence of pain     
 Yes 0.334 1.064 0.754 (−1.762, 2.431)
Time of operation     
Afternoon −2.770 1.084 0.011* (−4.906, −0.633)
Preoperative information provision     
No −2.337 1.176 0.048* (−4.656, −0.018)
Knowledge of type of anaesthesia     
No 1.278 1.450 0.379 (−1.581, 4.137)
Extent of surgery to be performed     
 Medium −0.231 1.084 0.831 (−2.368, 1.906)
 Major 1.683 1.704 0.324 (−1.675, 5.041)
  1. *Variables which are candidate for multiple linear regression (<0.05) were included in the model. Note: R2 = 0.592, F (21,217) =14.985, p < 0.001.
  2. Statistical significant (p < 0.05).
  3. Married, illiterate, farmer, yes (for substance use, preoperative information, and knowledge of type of anesthesia), morning, absence of pain and minor were used as reference category.