Table 5

Forward stepwise multiple regression analysis showing zero order (Pearson's r) and partial correlations

Predictors

Pearson's r

Partial r

P value (partial r)


Mid-lower back

-0.540

-0.129

0.0458

Tenderness to touch

-0.518

-0.242

0.0002

Neck

-0.518

-0.275

0.0000

Arms

-0.447

-0.261

0.0000

Hands

0.162

0.237

0.0002

Lateral lower back

-0.524

-0.191

0.0030

Sitting for 45 minutes

-0.475

-0.177

0.0060

Feeling overwhelmed

-0.314

0.274

0.0000

Depression

-0.378

-0.190

0.0031

Sensitivity

-0.422

-0.144

0.0258

Thighs

-0.474

-0.166

0.0101

Feet

0.021

0.176

0.0064

Cleaning floors

-0.452

-0.085

0.1914

Anxiety

-0.292

0.099

0.1277

Memory

-0.428

-0.080

0.2190


Note: Minus correlations indicate that FM patients have higher scores on predictor variable. All Pearson's correlations are significant (N = 253; P < 0.001) except hands (P < 0.01) and feet (P < 0.74).

Friend and Bennett Arthritis Research & Therapy 2011 13:R58   doi:10.1186/ar3311

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