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Table 3 Hierarchical Multiple Logistic Regression Analyses of purpose in life and risk of sleep apnea

From: Is purpose in life associated with less sleep disturbance in older adults?

  

β

SE

p

Odds ratio

95% CI

Χ 2

Nagelkerke R 2

Risk of Sleep Apnea at Baseline (n = 808)

Step 1

     

17.707 (4) **

.029

 Sex

.282

.172

.101

1.325

.947–1.856

  

 Years of Education

−.053

.024

.028

.348

.904–.994

  

Age

−.036

.010

.001

.365

.945–.985

  

 Race

−.252

.155

.104

.778

.574–1.053

  

Step 2

     

25.408 (5) **

.042

 Sex

.294

.173

.089

1.341

.956–1.881

  

 Years of Education

−.040

.025

.102

.961

.915–1.008

  

Age

−.043

.011

.000

.957

.937–.978

  

 Race

−.248

.156

.111

.780

.575–1.059

  

Purpose in Life

−.462

.168

.006

.630

.454–.875

  

Risk of Sleep Apnea at

1-Year Follow-Up (n = 810)

Step 1

     

17.563 (4) **

.029

 Sex

.187

.171

.274

1.206

.862–1.688

  

 Years of Education

−.036

.024

.132

.965

.920–1.011

  

Age

−.038

.011

.000

.963

.943–.983

  

 Race

−.002

.154

.990

.998

.737–1.351

  

Step 2

     

21.608 (5) *

.035

 Sex

.195

.172

.257

1.215

.867–1.702

  

 Years of Education

−.026

.024

.282

.974

.929–1022

  

Age

−.043

.011

.000

.958

.937–.978

  

 Race

.001

.155

.996

1.001

.739–1.356

  

Purpose in Life

−.331

.165

.045

.719

.520–.993

  

Risk of Sleep Apnea at

2-Year Follow-Up (n = 548)

Step 1

     

10.360 (4) *

.025

 Sex

.296

.203

.146

1.344

.903–2.002

  

 Years of Education

−.045

.029

.124

.956

.903–1.012

  

Age

−.027

.014

.047

.973

.948–1.000

  

 Race

.175

.189

.354

1.191

.823–1.724

  

Step 2

     

15.816 (5) **

.038

 Sex

.322

.205

.116

1.380

.924–2.060

  

 Years of Education

−.030

.030

.312

.971

.916–1.028

  

Age

−.034

.014

.016

.967

.941–.994

  

 Race

.184

.190

.332

1.202

.829–1.743

  

Purpose in Life

−.503

.217

.020

.604

.395–.925

  

Risk of Sleep Apnea at

3-Year Follow-Up (n = 242)

Step 1

     

3.983(4)

.022

 Sex

−.056

.307

.856

.946

.518–1.728

  

 Years of Education

−.033

.047

.479

.967

.882–1.060

  

 Age

−.032

.022

.142

.969

.928–1.011

  

 Race

.154

.299

.607

1.167

.649–2..097

  

Step 2

     

4.094 (5)

.023

 Sex

−.051

.308

.869

.951

.520–1.738

  

 Years of Education

−.029

.049

.556

.972

.883–1.069

  

 Age

−.034

.022

.132

.967

.925–1.010

  

 Race

.147

.300

.625

1.158

.643–2.085

  

 Purpose in Life

−.104

.312

.739

.901

.489–1.661

  
  1. Four separate regression analyses. * = p ≤ .05, ** = p ≤ .01, bolding is used to emphasize significant predictors within the models