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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: J Pain Symptom Manage. 2009 Jun;37(6):1050–1060. doi: 10.1016/j.jpainsymman.2008.06.008

Table 1.

Full Sample and Group Means and Standard Deviations

Variable Full Open-ended Closed-ended Social Desirable
N = 312 n = 111 n = 96 n = 105
M (SD) M (SD) M (SD) M (SD)
Age 75.6 (8.50) 76.4 (8.53) 75.4 (8.03) 75.0 (8.90)
%Pain Relief* 67.2 (28.89) 65.1 (30.80) 67.8 (28.03) 68.9 (27.68)
Pain Intensity** 4.6 (1.90) 4.5 (1.84) 4.6 (1.97) 4.7 (1.90)
Functional Pain*** 4.2 (2.47) 4.0 (2.39) 4.1 (2.54) 4.6 (2.48)
*

Pain relief percentage was measured on the BPI-SF 0 to 100% scale.

**

Pain intensity was the computed as the mean of the four BPI-SF 0 – 10 pain intensity items.

***

Functional pain was computed as the mean of the seven BPI-SF 0 – 10 functional interference items.