Table 2 Spearman’s correlations (95% confidence intervals) of interview TTO or computer TTO utilities with health outcome measures for the total sample and for the traders only
Interview TTO | Interview TTO traders only | Computer TTO | Computer TTO traders only | |
|---|---|---|---|---|
(N = 30) | (N = 20) | (N = 30) | (N = 22) | |
Pain (NRS) ≈ | −0.10 (−0.45, 0.27) | −0.38 (−0.70, 0.08)* | −0.26 (−0.57, 0.11) | −0.47 (−0.74, -0.05)* |
General Health (NRS) ≈ | −0.08 (−0.43, 0.29) | −0.42 (−0.73, 0.03)* | −0.05 (−0.40, 0.32) | −0.13 (−0.53, 0.30) |
Descriptive HRQoL (SF-36) | ||||
PCS | 0.16 (−0.22, 0.49) | 0.45 (0.01, 0.74)* | 0.22 (−0.15, 0.54) | 0.35 (−0.08, 0.67) |
MCS | 0.24 (−0.14, 0.55) | 0.32 (−0.14, 0.67) | 0.22 (−0.15, 0.54) | 0.24 (−0.20, 0.60) |
Preference-based HRQoL (SF-6D) | 0.18 (−0.21, 0.50) | 0.45 (−0.01, 0.73)* | 0.11 (−0.27, 0.45) | 0.20 (−0.24, 0.57) |
Functional status (HAQ-DI) ≈ | −0.07 (−0.42, 0.29) | −0.20 (−0.59, 0.27) | −0.21 (−0.53, 0.17) | −0.38 (−0.69, 0.05)* |