Table 3 Results of the explanatory factor structure by principal component analysis with loadings (n = 549)
Item | Factor 1 | Factor 2 | Factor 3 | |
|---|---|---|---|---|
1 | Pain/stiffness during the day | 0.45 | ||
2 | Pain/stiffness during the night | − 0.86 | ||
3 | Walking | 0.85 | ||
4 | Washing/dressing | − 0.39 | ||
5 | Physical activity levels | 0.84 | ||
6 | Work/daily routine | 0.65 | ||
7 | Social activities and hobbies | 0.59 | ||
8 | Needing help | 0.41 | ||
9 | Sleep | − 0.89 | ||
10 | Fatigue or low energy | − 0.58 | ||
11 | Emotional well-being | 0.42 | ||
12 | Understanding of your condition and any current treatment | 0.88 | ||
13 | Confidence in being able to manage symptoms | 0.84 | ||
14 | Overall impact | 0.48 |