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Table 2 Simple linear regression analyses of factors associated with BDI-21

From: Depression and anxiety in epilepsy: the association with demographic and seizure-related variables

   95% Confidence interval    
Factor Unstandardized coefficient Lower bound Upper bound Standardized coefficients p Value R2
Gender 1.991 -0.036 4.018 0.136 0.054 0.018
Seizure frequency > 1/month 4.888 2.588 7.187 0.285 < 0.001 0.081
Seizure frequency < 1/year -2.129 -4.305 0.046 -0.136 0.055 0.018
Seizure frequency > 1/year -1.728 -3.773 0.317 -0.117 0.097 0.014
Symptomatic focal epilepsy 3.605 1.621 5.588 0.246 < 0.001 0.061
Cryptogenic Focal Epilepsy -1.691 -3.973 0.591 -0.103 0.145 0.103
Idiopathic generalized epilepsy -3.357 -5.806 -0.907 -0.188 0.007 0.035
Antiepileptic drug 1 -2.523 -4.538 -0.508 -0.172 0.014 0.030
Antiepileptic drug 1 1.064 -1.077 3.206 0.069 0.328 0.005
Antiepileptic drug 1 3.065 0.227 5.904 0.149 0.034 0.022
Age -0.040 -0.142 0.062 -0.054 0.443 0.003
Duration of disease -0.036 -0.145 0.073 -0.046 0.516 0.002