Table 2 Responses to pain questions based on anchor group (“Extreme” corresponds to the changed anchor text “Extremely severe pain”; “Imagine” corresponds to the original anchor text “Pain as bad as you can imagine”). Data presented as mean (standard deviation)
Extreme, N = 405 | Imagine, N = 424 | Difference | 95% CI | p-value | |
|---|---|---|---|---|---|
Worst | 6.45 (2.01) | 6.30 (1.96)1 | 0.15 | -0.12, 0.42 | 0.3 |
Least | 3.07 (2.18) | 2.85 (2.08)1 | 0.23 | -0.06, 0.52 | 0.12 |
Average | 4.75 (2.05)1 | 4.69 (1.94)1 | 0.06 | -0.22, 0.33 | 0.7 |
Right now | 4.34 (2.48) | 4.36 (2.44)2 | -0.02 | -0.36, 0.32 | > 0.9 |
Troubling | 7.50 (1.92) | 7.42 (1.98) | 0.07 | -0.19, 0.34 | 0.6 |