From: Measurement precision of the disability for back pain scale-by applying Rasch analysis
Raw score | Logit score | Standard error | Number (%) of participants | Raw score | Logit score | Standard error | Number (%) of participants |
---|---|---|---|---|---|---|---|
0 | −5.39 | 1.85 | 0(0) | 26 | 0.03 | 0.29 | 7(1.7) |
1 | −4.13 | 1.03 | 1(0.2) | 27 | 0.12 | 0.30 | 9(2.2) |
2 | −3.37 | 0.75 | 3(0.7) | 28 | 0.21 | 0.30 | 3(0.7) |
3 | −2.90 | 0.63 | 3(0.7) | 29 | 0.30 | 0.30 | 17(4.2) |
4 | −2.56 | 0.55 | 7(1.7) | 30 | 0.39 | 0.31 | 17(4.2) |
5 | −2.29 | 0.49 | 5(1.2) | 31 | 0.49 | 0.31 | 13(3.2) |
6 | −2.07 | 0.45 | 5(1.2) | 32 | 0.59 | 0.32 | 7(1.7) |
7 | −1.87 | 0.42 | 2(0.5) | 33 | 0.69 | 0.32 | 7(1.7) |
8 | −1.71 | 0.40 | 7(1.7) | 34 | 0.79 | 0.33 | 8(2.0) |
9 | −1.56 | 0.37 | 15(3.7) | 35 | 0.90 | 0.33 | 11(2.7) |
10 | −1.43 | 0.36 | 9(2.2) | 36 | 1.01 | 0.33 | 11(2.7) |
11 | −1.30 | 0.34 | 14(3.4) | 37 | 1.13 | 0.34 | 2(0.5) |
12 | −1.19 | 0.33 | 13(3.2) | 38 | 1.24 | 0.35 | 1(0.2) |
13 | −1.09 | 0.32 | 10(2.5) | 39 | 1.37 | 0.36 | 4(1.0) |
14 | −0.99 | 0.31 | 17(4.2) | 40 | 1.50 | 0.37 | 2(0.5) |
15 | −0.89 | 0.30 | 19(4.7) | 41 | 1.64 | 0.38 | 1(0.2) |
16 | −0.80 | 0.30 | 11(2.7) | 42 | 1.79 | 0.40 | 0(0) |
17 | −0.72 | 0.29 | 18(4.4) | 43 | 1.96 | 0.42 | 2(0.5) |
18 | −0.63 | 0.29 | 9(2.2) | 44 | 2.14 | 0.45 | 3(0.7) |
19 | −0.55 | 0.29 | 11(2.7) | 45 | 2.36 | 0.48 | 3(0.7) |
20 | −0.47 | 0.29 | 22(5.4) | 46 | 2.61 | 0.53 | 5(1.2) |
21 | −0.38 | 0.29 | 21(5.1) | 47 | 2.93 | 0.60 | 1(0.2) |
22 | −0.30 | 0.29 | 6(1.5) | 48 | 3.37 | 0.73 | 0(0) |
23 | −0.22 | 0.29 | 13(3.2) | 49 | 4.10 | 1.02 | 1(0.2) |
24 | −0.14 | 0.29 | 14(3.4) | 50 | 5.33 | 1.84 | 1(0.2) |
25 | −0.06 | 0.29 | 17(4.2) |  |  |  |  |