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Table 6 Results of factor analysis (principal components with varimax rotation)

From: Reliability and validity of the AGREE instrument used by physical therapists in assessment of clinical practice guidelines

 

Item Mean

Std. Deviation

Components

   

1

2

3

4

Scope and Purpose

Q1

3.4003

.72614

.690

.339

.271

.217

Q2

2.9681

.68948

.803

.213

.129

.296

Q3

3.3961

.51941

.393

.489

.016

.430

Stakeholder Involvement

Q4

2.6814

1.07262

.336

.422

.661

.093

Q5

1.7517

.89553

.179

.173

.739

.058

Q6

2.8331

.89717

.195

.294

.726

.259

Q7

1.6664

.75710

.255

.290

.675

.175

Rigour of development

Q8

2.7344

1.21287

.902

.096

.247

-.087

Q9

2.6533

1.20139

.913

.112

.229

-.123

Q10

2.6314

1.05247

.800

.132

.384

.066

Q11

2.9492

.76769

.059

.339

.302

.682

Q12

2.9811

1.00409

.626

-.058

.223

.514

Q13

2.3556

1.16306

.422

.273

.617

.213

Q14

1.9425

.99370

.323

.668

.090

.044

Clarity and presentation

Q15

3.2250

.73262

.132

.200

.149

.864

Q16

3.2269

.77070

.022

.607

.241

.322

Q17

3.1631

.71880

.093

.606

.453

.400

Q18

2.3342

.98180

.091

.671

.449

.273

Applicability

Q19

2.2072

.94797

.158

.830

.231

.005

Q20

1.9500

.83211

.172

.818

.176

-.073

Q21

2.2336

.80322

-.017

.775

.299

.237

Editorial Independence

Q22

2.1453

.90158

.451

.108

.669

.045

Q23

1.7575

.92802

.178

.305

.452

-.436

  1. This table presents the results of the final 4 factor solution to factor analysis. Bolded cells shown the factor for which each item loaded most strongly. Results are grouped according to the Domains of the AGREE.
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BMC Health Services Research

ISSN: 1472-6963

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