Item | Response categories, N (%) | Missing N (%) | Skewness* | Kurtosis# | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
To a very low degree | Â | Â | Â | Â | Â | Â | Â | Â | Â | To a very high degree | ||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||||
Q1: Handle your everyday life | 1 (0.4) | 0 (0.0) | 0 (0.0) | 7 (2.6) | 5 (1.9) | 32 (11.8) | 24 (8.8) | 39 (14.3) | 56 (20.6) | 52 (19.1) | 55 (20.2) | 1 (0.4) | −0.7 | 3.2 |
Q2: Understand your back problem | 6 (2.2) | 4 (1.5) | 10 (3.7) | 11 (4.0) | 17 (6.3) | 25 (9.2) | 26 (9.6) | 36 (13.2) | 44 (16.2) | 45 (16.5) | 43 (15.8) | 5 (1.8) | −0.8 | 2.9 |
Q3: Manage your back problem | 0 (0.0) | 1 (0.4) | 11 (4.0) | 12 (4.4) | 16 (5.9) | 29 (10.7) | 34 (12.5) | 41 (15.1) | 50 (18.4) | 41 (15.1) | 32 (11.8) | 5 (1.8) | −0.5 | 2.5 |
Q4: Keep your back in good health | 6 (2.2) | 7 (2.6) | 18 (6.6) | 20 (7.4) | 28 (10.3) | 52 (19.1) | 33 (12.1) | 31 (11.4) | 34 (12.5) | 25 (9.2) | 12 (4.4) | 6 (2.2) | −0.2 | 2.4 |
Q5: Feel confident with your health | 5 (1.8) | 7 (2.6) | 26 (9.6) | 18 (6.6) | 20 (7.4) | 42 (15.4) | 22 (8.1) | 25 (9.2) | 41 (15.1) | 35 (12.9) | 27 (9.9) | 4 (1.5) | −0.3 | 2.0 |
Q6: Manage your life independently | 0 (0.0) | 2 (0.7) | 1 (0.4) | 3 (1.1) | 7 (2.6) | 11 (4.0) | 7 (2.6) | 20 (7.4) | 39 (14.3) | 63 (23.2) | 117 (43.0) | 2 (0.7) | −1.7 | 5.9 |