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Table 3 Summary Logistic Regression Table for the impact of site of joint pain on activities of daily living

From: The prevalence and impact of self-reported foot and ankle pain in the over 55 age group: a secondary data analysis from a large community sample

 

Variable

Co-ef (β)

Stan. Error

Wald

P

OR

95% CI

Standing and Walking

 Main effects

Constant

−2.232

0.162

–

–

–

–

Foot and ankle

0.839

0.059

201.74

0.000

2.314

2.061 to 2.598

Hip

0.868

0.066

172.030

0.000

2.382

2.093 to 2.712

Co morbidities

1.751

0.134

171.872

0.000

5.761

4.434 to 7.486

Knee

1.006

0.093

117.247

0.000

2.734

2.279 to 3.280

Back

0.403

0.060

45.336

0.000

1.496

1.331 to 1.683

Foot and ankle

0.8745

0.1118

61.2101

0.000

2.398

1.926 to 2.985

Gender

0.945

0.191

24.501

0.000

2.573

1.770 to 3.742

Age: 55 to 64 yrs

−0.522

0.121

18.626

0.000

0.593

0.468 to 0.752

 Int

Gender (male) by age: 55 to 64 yrs

−0.628

0.151

17.389

0.000

0.534

0.397 to 0.717

Co morbidity by Gender

−0.435

0.162

7.210

0.007

0.648

0.472 to 0.889

Going up and down stairs

 Main effects

Constant

−2.199

0.142

–

–

–

–

Co morbidities

1.509

0.101

225.088

0.000

4.524

3.714 to 5.510

Age: 55 to 64 years

−1.122

0.143

61.364

0.000

0.326

0.246 to 0.431

Knee

0.710

0.098

52.093

0.000

2.033

1.677 to 2.465

Foot and ankle

0.537

0.075

51.755

0.000

1.711

1.478 to 1.980

Hip

1.021

0.162

39.974

0.000

2.777

2.023 to 3.811

Back

0.330

0.108

9.358

0.000

1.390

1.126 to 1.717

 Int

Knee by Age: 55 to 64 yrs

0.604

0.143

17.793

0.000

1.829

1.382 to 2.422

Gender (Male) by Age: 55 to 64

−0.474

0.149

10.100

0.001

0.623

0.465 to 0.834

Gender (Male) by back

−0.417

0.121

11.841

0.001

0.659

0.520 to 0.836

Getting up from a chair/toilet

 Main

Constant

−1.974

0.146

–

–

–

–

Co morbidities

1.100

0.101

117.519

0.000

3.004

2.462 to 3.664

Hip

1.623

0.196

68.783

0.000

5.066

3.453 to 7.434

Age: 55 to 64 yrs

−1.242

0.157

62.324

0.000

0.289

0.212 to 0.393

Foot and ankle

0.363

0.094

14.999

0.000

1.438

1.197 to 1.729

Gender (Male)

0.380

0.110

11.850

0.001

1.462

1.178 to 1.814

Knee

0.382

0.118

10.585

0.001

1.466

1.164 to 1.845

Back

0.362

0.119

9.271

0.002

1.436

1.138 to 1.813

 Int

Knee by Age: 55 to 64 yrs

0.634

0.145

19.179

0.000

1.885

1.419 to 2.503

Back by Age: 55 to 64 yrs

0.494

0.142

12.022

0.001

1.638

1.239 to 2.165

Gender by Age: 55 to 64 yrs

−0.525

0.150

12.237

0.000

0.591

0.441 to 0.794

  1. Included are the summary of the main effects and interactions for each of the major sites of OA, with foot and ankle joint pain in italics. Abbreviations: co-eff (β) = the mathematical weighting of each variable in the model; Stan Error = the estimated error of the mathematical weighting; OR = odds ratio; 95% CI = the 95% confidence interval for the estimated odds ratio; int = interaction effects
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Journal of Foot and Ankle Research

ISSN: 1757-1146