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Table 6 Univariate relationships between categorical independent variables and self-management behaviours 

From: Barriers to effective diabetes management – a survey of people with severe mental illness

 

Summary of Diabetes Self Care Activities variables

Blood glucose testing

Medication

General diet

Specific diet

Exercise

Foot care

Smoker/ non-smoker

 

Mean

Statistic

P value

Mean

Statistic

P value

Mean

Statistic

P value

Mean

Statistic

P value

Mean

Statistic

P value

Mean

Statistic

P value

Statistic

P value

Gender

 Male

4.2085

t = 0.757

6.42

t = 1.426

4.4878

t = 1.683

3.4504

t = −0.865

2.5976

0.949

1.6724

t = −0.024

χ2 = 4.467

 Female

3.6591

p = 0.454

5.66

p = 0.159

3.5893

p = 0.097

3.8154

p = 0.390

2.1324

0.346

1.7453

p = 0.981

p = 0.039

Ethnicity

 Asian

4.4000

F = 1.965

5.92

F = 0.561

3.9537

F = 1.062

3.4231

F = 1.596

1.9722

F = 2.235

1.5981

F = 0.828

χ2 = 2.930

 Black

0.9667

p = 0.137

5.67

p = 0.643

5.4214

p = 0.371

4.8571

p = 0.198

3.2857

p = 0.091

2.7286

p = 0.483

p = 0.403

 White

3.0000

 

6.33

 

3.6500

 

3.2050

 

3.1000

 

1.7000

  

 Mixed

3.0000

 

7.00

 

4.7000

 

4.2000

 

3.7000

 

1.4000

  

Relationship status

 Married/Living with partner

4.5000

F = 1.639

6.15

F = 0.399

4.2000

F = 0.393

3.2775

F = 0.587

2.0750

F = 0.315

1.4250

F = 0.304

χ2 = 3.362

 Living alone

4.2159

p = 0.208

5.81

p = 0.673

3.8962

p = 0.677

3.5769

p = 0.599

2.4231

p = 0.731

1.8231

p = 0.739

p = 0.186

Living with friends /relatives/supported accommodation

2.4563

 

6.34

 

4.5000

 

3.9594

 

2.6250

 

1.6750

  

Employment

 Not employed

3.8069

t = −1.458

6.06

t = 0.290

4.1265

t = −1.056

3.6931

t = −0.804

2.2157

t = −1.945

1.6843

F = 0.370

χ2 = 0.044

 Employed

6.5000

p = 0.156

5.75

p = 0.773

5.1429

p = 0.296

4.2929

p = 0.425

3.9286

p = 0.057

1.4286

p = 0.713

p = 1.000

Education level

 Below A level

4.0750

t = 0.260

5.97

t = −0.502

4.2794

t = 0.358

3.7941

t = 0.848

2.3676

t = 0.135

1.3824

t = −1.206

χ2 = 2.410

 A level or above

3.8447

p = 0.796

6.23

p = 0.617

4.0863

p = 0.722

3.4225

p = 0.399

2.3000

p = 0.893

1.8975

p = 0.232

p = 0.159

SMI diagnosis

 Schizophrenia

3.5909

F = 0.767

6.07

F = 0.378

4.3182

F = 0.391

3.9348

F = 1.264

2.8261

F = 1.260

2.2273

F = 1.748

χ2 = 6.777

 Schizoaffective disorder

3.6429

p = 0.520

6.10

p = 0.823

3.9500

p = 0.815

3.9500

p = 0.292

2.9000

p = 0.294

1.4500

p = 0.149

p = 0.148

 Bipolar disorder

5.3333

 

6.86

 

4.7778

 

4.0556

 

2.5000

 

2.4444

  

 Depression + psychotic feature

3.7000

 

5.88

 

3.7308

 

2.9231

 

1.6346

 

1.1731

  

 More than one diagnosis

 

5.92

 

4.0556

 

4.0000

 

2.5000

 

1.3889

  

Diabetes management

 Tablets

3.3111

F = 2.128

6.07

F = 0.212

4.2779

F = 1.836

3.8433

F = 2.547

2.6442

F = 1.450

2.0846

F = 3.120

χ2 = 4.679

 Insulin

5.8750

p = 0.114

6.50

p = 0.810

4.8750

p = 0.148

4.5000

p = 0.062

2.1250

p = 0.235

0.8750

p = 0.031

p = 0.197

 Tablets and lifestyle

5.8750

 

5.67

 

2.0833

 

2.2500

 

0.9167

 

1.4167

  

 Lifestyle only

3.3000

 

 

4.0000

 

2.9033

 

2.0000

 

0.6000