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Table 5 Multivariable logistic regression of factors associated with poor sleep quality

From: Prevalence and correlates of poor sleep quality among college students: a cross-sectional survey

 

Estimate

SE

Wald

P

OR

95%CI

Age

  ≤ 20

−0.043

0.092

0.219

0.640

0.958

0.800–1.147

  > 20

    

1.000

 

Gender

 Male

0.004

0.067

0.004

0.948

1.004

0.880–1.146

 Female

    

1.000

 

Grade

 Freshman

0.421

0.136

9.645

0.002

1.523

1.168–1.987

 Sophomore

0.283

0.129

4.798

0.028

1.327

1.030–1.709

 Junior

0.029

0.123

0.055

0.815

1.029

0.809–1.308

 Senior and senior five

   

1.000

 

Alcohol use

 yes

0.491

0.070

49.346

< 0.001

1.634

1.425–1.874

 no

    

1.000

 

Study pressure of this academic year

 no

−1.563

0.140

123.709

< 0.001

0.210

0.159–0.276

 smaller

−1.249

0.134

87.531

< 0.001

0.287

0.221–0.373

 general

−1.150

0.117

96.568

< 0.001

0.317

0.252–0.398

 larger

−0.464

0.120

14.857

< 0.001

0.629

0.497–0.796

 great

    

1.000

 

Days off from school(/month)

 0

−0.673

0.186

13.091

< 0.001

0.510

0.354–0.735

  < 1

−0.214

0.204

1.102

0.294

0.807

0.541–1.204

 1–2

−0.381

0.213

3.189

0.074

0.683

0.450–1.038

 3–4

0.044

0.269

0.027

0.870

1.045

0.617–1.770

  ≥ 5

    

1.000

 

Self-injurious behaviors

 never

−0.883

0.268

10.897

0.001

0.413

0.245–0.698

 Occasionally

−0.389

0.302

1.666

0.197

0.678

0.375–1.224

 sometimes

−0.988

0.370

7.123

0.008

0.372

0.180–0.769

 often

    

1.000

 

Gambling behaviors

 yes

0.154

0.076

4.082

0.043

1.167

1.005–1.356

 no

    

1.000

 

Exercise for more than 30 min (days/week)

 0

0.210

0.099

4.512

0.034

1.234

1.016–1.498

 1–2

−0.067

0.090

0.551

0.458

0.935

0.784–1.116

 3–4

−0.107

0.104

1.048

0.306

0.899

0.732–1.103

 5–7

    

1.000

 

Family relationship

 Very harmonious

−0.975

0.278

12.292

< 0.001

0.377

0.219–0.650

 Harmonious

−0.748

0.278

7.225

0.007

0.473

0.274–0.817

 Neutral

−0.698

0.290

5.783

0.016

0.498

0.282–0.879

 Disharmonious

−0.191

0.372

0.264

0.608

0.826

0.398–1.714

 Highly disharmonious

    

1.000

 

Communication with parents

 Substantial

−0.646

0.265

5.969

0.015

0.524

0.312–0.880

 Often

−0.106

0.148

0.513

0.474

0.899

0.672–1.203

 Neutral

0.223

0.096

5.371

0.020

1.249

1.035–1.508

 Rarely

0.077

0.084

0.827

0.363

1.080

0.915–1.274

 Never

    

1.000

 

Satisfaction with paternal love

 Very satisfied

0.360

0.228

2.487

0.115

1.433

0.916–2.240

 Satisfied

0.615

0.202

9.227

0.002

1.849

1.244–2.749

 Neutral

0.134

0.120

1.253

0.263

1.144

0.904–1.448

 Dissatisfied

−0.020

0.092

0.049

0.825

0.980

0.818–1.174

 Very dissatisfied

    

1.000

 

Satisfaction with maternal love

 Very satisfied

−0.499

0.278

3.238

0.072

0.607

0.352–1.046

 Satisfied

−0.840

0.265

10.074

0.002

0.432

0.257–0.725

 Neutral

−0.045

0.151

0.090

0.765

0.956

0.712–1.284

 Dissatisfied

0.016

0.091

0.030

0.863

1.016

0.850–1.214

 Very dissatisfied

    

1.000

 

Relationship with classmates

 Very harmonious

0.412

0.317

1.686

0.194

1.509

0.811–2.809

 Harmonious

0.791

0.265

8.912

0.003

2.206

1.312–3.708

 Neutral

0.531

0.094

31.805

< 0.001

1.700

1.414–2.045

 Disharmonious

0.107

0.076

1.972

0.160

1.113

0.958–1.293

 Highly disharmonious

    

1.000

 

Places often going with friends

 Gymnasium

−0.261

0.079

10.914

0.001

0.770

0.659–0.899

 Bar/Karaoke hall/Song and dance hall

0.080

0.092

0.768

0.381

1.084

0.905–1.297

 Billiard hall

−0.258

0.148

3.056

0.080

0.773

0.579–1.032

 Internet cafes

−0.259

0.110

5.502

0.019

0.772

0.622–0.958

 Other

    

1.000

 
  1. Note: df = 1