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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Pain Symptom Manage. 2013 Nov 15;48(1):99–109. doi: 10.1016/j.jpainsymman.2013.08.014

Table 3.

Correlation Coefficients, Means, Standard Deviations, Skewness, and Kurtosis of the CPMQ Items

Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Correlation between items
1 1.00
2 0.59 1.00
3 0.45 0.54 1.00
4 0.52 0.52 0.58 1.00
5 0.40 0.43 0.41 0.44 1.00
6 0.58 0.59 0.45 0.56 0.50 1.00
7 0.36 0.31 0.25 0.39 0.31 0.44 1.00
8 0.51 0.49 0.41 0.56 0.41 0.56 0.36 1.00
9 0.48 0.48 0.53 0.51 0.52 0.51 0.29 0.58 1.00
10 0.31 0.32 0.30 0.38 0.30 0.37 0.43 0.39 0.38 1.00
11 0.54 0.50 0.47 0.47 0.62 0.59 0.33 0.65 0.58 0.41 1.00
12 0.56 0.55 0.49 0.58 0.54 0.68 0.42 0.58 0.62 0.42 0.71 1.00
13 0.39 0.36 0.32 0.36 0.32 0.51 0.38 0.43 0.30 0.30 0.36 0.49 1.00
14 0.45 0.48 0.44 0.48 0.44 0.54 0.35 0.54 0.51 0.44 0.54 0.59 0.50 1.00
15 0.53 0.53 0.94 0.51 0.44 0.68 0.40 0.55 0.48 0.44 0.54 0.63 0.457 0.570 1.00
16 0.21 0.098 0.104 0.194 0.081 0.210 0.243 0.193 0.144 0.199 0.135 0.236 0.390 0.262 0.330 1.00
Mean 3.89 3.84 4.10 4.08 4.55 3.99 3.40 3.87 4.12 3.48 4.26 3.91 3.01 3.95 3.66 2.64
SD 1.009 1.044 0.831 0.826 0.747 1.073 1.021 1.023 0.810 1.082 0.856 1.023 1.186 0.892 1.135 1.026
Skewness −0.927 −0.800 −1.061 −0.847 −2.397 −1.032 −0.145 −0.744 −1.038 −0.197 −1.445 −0.785 0.103 −0.902 −0.478 0.789
Kurtosis 0.350 −0.184 1.461 0.764 7.465 0.275 −0.814 −0.337 1.24 −0.932 2.118 −0.333 −1.016 0.747 −0.957 −0.264

SD = standard deviation.