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. 2020 Mar 13;10:4664. doi: 10.1038/s41598-020-61593-z

Table 3.

Top-25 features of lasso model.

Feature Description Coefficient
SOZK_nationality German nationality −0.370
ADSL_adsl06 “During the past week I felt depressed”. 0.309
ADSL_adsl19 “During the past week I felt that people disliked me”. 0.288
PSQ_stress21 “You enjoy yourself”. −0.284
SOZK_graduate Graduation: university −0.210
ADSL_adsl11 “During the past week my sleep was restless”. 0.196
ADSL_adsl03 “During the past week I felt that I could not shake off the blues even with help from my family or friends”. 0.175
TQ_tin50 Because of the noises I am unable to enjoy the radio or television. 0.151
TQ_tin47 I am a victim of my noises. 0.137
ADSL_adsl02 “During the past week I did not feel like eating; my appetite was poor”. 0.132
ADSL_adsl05 “During the past week I had trouble keeping my mind on what I was doing”. 0.132
SF8_sf07 “During the past 4 weeks, how much have you been bothered by emotional problems (such as feeling anxious, depressed or irritable)?” 0.125
ADSL_adsl10 “During the past week I felt fearful”. 0.107
ADSL_adsl04 “During the past week I felt I was just as good as other people”. −0.107
TQ_tin40 I am able to forget about the noises when I am doing something interesting. −0.104
ADSL_adsl16 “During the past week I enjoyed life”. −0.085
PSQ_stress15 “Your problems seem to be piling up”. 0.081
TQ_tin07 Most of the time the noises are fairly quiet. −0.069
ADSL_adsl08 “During the past week I felt hopeful about the future”. −0.064
SF8_sf02 “During the past 4 weeks, how much did physical health problems limit your physical activities (such as walking or climbing stairs)?” 0.059
SOZK_tinnitusdur “How long have you been suffering from tinnitus (in years)?” 0.058
PSQ_stress28 “You feel loaded down with responsibility”. 0.055
ADSL_adsl18 “During the past week I felt sad”. 0.053
SOZK_job Job status: currently employed −0.050
ADSL_adsl13 “During the past week I talked less than usual”. 0.049

Features with highest absolute coefficient in lasso model (iteration i=1). TQ: German version of the Tinnitus Questionnaire22; PSQ: Perceived Stress Questionnaire20; SF8: Short Form 8 Health Survey21; ADSL: General Depression Scale Questionnaire - long form19; SOZK: sociodemographics questionnaire24.