Table 2 Descriptive scale characteristics, factor structure, and reliability of the Postural Awareness Scale (PAS)
|  | Factor 1: Ease/Familiarity with Postural Awareness (alpha = 0.81) | Factor 2: Need for Attention Regulation with Postural Awareness (alpha = 0.77) | |||||||
|---|---|---|---|---|---|---|---|---|---|
|  | Item | Mean ± standard deviation | Item difficulty | Factor loading | Alpha if item deleted | Corrected item-total correlation | Factor loading | Alpha if item deleted | Corrected item-total correlation |
1 | Needs to concentrate for being aware of posturea | 3.6 ± 1.7 | 0.51 | – | – | – | 0.80 | 0.72 | 0.58 |
2 | Awareness of bad posture only by paina | 2.9 ± 1.7 | 0.41 | – | – | – | 0.78 | 0.72 | 0.59 |
3 | Knows how to change posture to relieve painb | 5.0 ± 1.5 | 0.71 | – | – | – | – | – | – |
4 | Slumps down when sittinga | 2.8 ± 1.7 | 0.40 | – | – | – | 0.65 | 0.73 | 0.54 |
5 | Unaware of posture when focuseda | 2.5 ± 1.3 | 0.36 | – | – | – | 0.54 | 0.75 | 0.48 |
6 | Difficulties to consciously adopt a posturea | 3.9 ± 1.9 | 0.56 | – | – | – | 0.72 | 0.73 | 0.54 |
7 | Often checks posture when working | 3.7 ± 1.7 | 0.53 | 0.73 | 0.78 | 0.57 | – | – | – |
8 | Influences her/his own appeal by posture | 4.9 ± 1.6 | 0.70 | 0.56 | 0.81 | 0.40 | – | – | – |
9 | Always aware of sitting or standing posture | 3.4 ± 1.5 | 0.49 | 0.80 | 0.76 | 0.67 | – | – | – |
10 | Often makes her/himself aware of her/his posture | 3.8 ± 1.6 | 0.54 | 0.79 | 0.75 | 0.67 | – | – | – |
11 | Aware of posture even when focused | 2.8 ± 1.5 | 0.40 | 0.77 | 0.77 | 0.62 | – | – | – |
12 | Regulates how she/he feels through posture | 3.6 ± 1.6 | 0.51 | 0.63 | 0.80 | 0.49 | – | – | – |
13 | Needs to concentrate to feel whether a posture benefits her/him or nota | 3.4 ± 1.6 | 0.49 | – | – | – | 0.51 | 0.77 | 0.38 |