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Table 3 Results of generalized linear model analysis to identify the patient characteristics significantly associated with improved scores on the ISI-J

From: Clinico-demographic factors associated with the treatment response to cognitive behavioral therapy for insomnia

 

Unadjusted

   

Adjusted

   

Variables

β

95% CI

p value

β

95% CI

p value

  

Lower

Upper

  

Lower

Upper

 

Age

0.053

-0.055

0.162

0.33

0.119

0.026

0.211

0.01*

Sex (female)

5.494

2.555

8.432

< 0.01**

6.014

3.573

8.454

< 0.01**

Type of insomnia(primary)

4.148

1.047

7.248

0.09

3.961

1.419

6.502

0.02*

Education level (years)

0.149

-0.598

0.896

0.7

-0.206

-0.792

0.379

0.49

Duration of insomnia (months)

-0.009

-0.023

0.005

0.19

-0.011

-0.022

< 0.001

0.04*

Employment status (unemployed)

3.989

0.873

7.105

0.01*

5.096

2.118

8.073

< 0.01**

PSQI-J score at baseline

-0.079

-0.515

0.358

0.72

-0.065

-0.505

0.375

0.77

J-SDS score at baseline

-0.155

-0.357

0.046

0.13

-0.096

-0.248

0.057

0.22

Total sleep time (min)

0.002

-0.017

0.021

0.83

-0.008

-0.030

0.014

0.48

Sleep onset latency (min)

0.002

-0.049

0.053

0.94

0.029

-0.024

0.083

0.28

Wake time after sleep onset (min)

0.016

-0.046

0.079

0.61

-0.025

-0.074

0.024

0.32

Sleep efficiency (%)

-0.006

-0.126

0.113

0.92

0.031

-0.145

0.207

0.73

dose of GABAA-RA

0.145

-2.124

2.414

0.9

-1.687

-3.335

-0.039

0.05

  1. ISI-J, Japanese version of the Insomnia Severity Index; PSQI-J, Japanese version of the Pittsburgh Sleep Quality Index; J-SDS, Japanese version of the Self-Rating Depression Scale; GABAA-RA, gamma-aminobutyric acid-A receptor agonist
  2. *p < 0.05, **p < 0.01