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Table 5 Logistic regression analyses of self-ratings. The table illustrates the final regression models predicting changes (Δ) in stress management ability, sleep quality, mental energy, concentration ability and social support.

From: Psychophysiological effects of a web-based stress management system: A prospective, randomized controlled intervention study of IT and media workers [ISRCTN54254861]

Predictors of Δ Stress management ability

OR

95,0% CI for OR Lower – Upper

Predictors of Δ Sleep Quality

OR

95,0% CI for OR Lower – Upper

Ageb

1.041

.655 – 1.654

Ageb

.718

.457 – 1,126

Genderb

1.144

.580 – 2.259

Genderb

1.391

.717 – 2.702

Marital statusb

1.255

.561 – 2.808

Marital statusb

1.175

.536 – 2.572

Educational levelb

1.261

.645 – 2.462

Educational levelb

.826

.428 – 1.596

Annual incomeb

1.363

.766 – 2.424

Annual incomeb

1.532

.856 – 2.740

Groupa, b

2.364

1.220 – 4.578

Groupa, b

1.638

.854 – 3.141

Δ Concentration abilityf

2.754

1.389 – 5.461

Δ Mental energye

2.343

1.151 – 4.766

Δ CgA

2.563

1.223 – 5.256

Δ Concentration abilityf

2.259

1.125 – 4.533

Constant

.002

 

Constant

.012

 

Predictors of Δ Mental energy

OR

95,0% CI for OR Lower – Upper

Predictors of Δ Concentration ability

OR

95,0% CI for OR Lower – Upper

Ageb

1.152

.713 – 1,863

Ageb

1.348

.844 – 2.152

Genderb

1.319

.659 – 2.638

Genderb

1.250

.633 – 2.469

Marital statusb

.998

.429 – 2.320

Marital statusb

1.280

.569 – 2.877

Educational levelb

.861

.430 – 1.722

Educational levelb

1.033

.529 – 2.018

Annual incomeb

.858

.471 – 1.562

Annual incomeb

.784

.434 – 1.417

Groupa.b

2.194

1.107 – 4.346

Groupa, b

.900

.454 – 1.783

Δ Sleep qualityd

2.350

1.156 – 4.775

Δ Sleep qualityd

2.145

1.052 – 4.376

Δ Concentration abilityf

3.831

1.910 – 7.683

Δ Mental energye

3.638

1.791 – 7.390

Constant

.005

 

Δ Stress managementc

2.171

1.061 – 4.442

   

Constant

.005

 

Predictors of Δ Social support

OR

95,0% CI for OR Lower – Upper

   

Ageb

1.456

.920 – 2.304

   

Genderb

1.428

.734 – 2.779

   

Marital statusb

1.822

.836 – 3.970

   

Educational levelb

.647

.335 – 1.248

   

Annual incomeb

.978

.557 – 1.717

   

Groupa.b

2.752

1.432 – 5.287

   

Constant

.019

    
  1. a Reference group: code 1, intervention group: code 2.
  2. b Baseline values.
  3. c Change in stress management ability. Can you manage your stress in general? (VAS, Not at all – Very well).
  4. d Change in sleep quality. How is your quality of sleep in general? (VAS, Very poor – Very good).
  5. e Change in mental energy. How is your energy level in general? (VAS, Empty on energy – Full of energy).
  6. f Change in concentration ability. How is your concentration ability in general? (VAS, Very poor – Very good).
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BMC Public Health

ISSN: 1471-2458

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