Table 3 Spearman correlations between Rasch derived PIPP subscale scores, WOMAC, HADS and General Wellbeing

Impact

Self-care

.49

.59

.48

.45

-.55

Mobility

.68

.73

.63

.50

-.61

Relationship

.36

.49

.55

.44

-.52

Participation

.66

.71

.59

.43

-.52

Psychological

.65

.70

.71

.60

-.69

Distress

Self-care

.52

.58

.50

.42

-.54

Mobility

.62

.68

.60

.55

-.62

Relationship

.39

.50

.50

.44

-.54

Participation

.69

.73

.62

.53

-.59

Psychological

.64

.67

.68

.65

-.73