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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Clin J Pain. 2011 May;27(4):315–322. doi: 10.1097/AJP.0b013e3182048549

Table 2.

Descriptive statistics of treatment expectation items and scale scores (N = 171)

M SD Range rit
How logical does this treatment seem to you? 8.22 1.78 2–10 .59
How confident are you that this treatment will help you manage your osteoarthritis? 7.29 1.83 2–10 .79
How successful do you think the treatment will be in helping you to control and decrease your osteoarthritis pain? 7.11 1.85 2–10 .76
How helpful do you think the nurse will be? 8.39 1.62 2–10 .66
How confident would you be in recommending this treatment to a friend who has arthritis? 8.18 1.83 1–10 .65
Overall scale scores 7.84 1.44 3.4–10

Note: rit = item-total correlation. Overall scale scores were created by averaging the responses to the five items.