Table 4 Spearman correlation coefficients for different measures of illness severity for different groups
Group | HU ↔ VAS | HU ↔ Own WTP | HU ↔ Insurance WTP | VAS ↔ Own WTP | VAS ↔ Insurance WTP | Own WTP ↔ Insurance WTP |
|---|---|---|---|---|---|---|
Healthy (n = 126) | −.53*** | −.29*** | −.15 | .22* | .20* | .67*** |
Low Back Pain (n = 32) | −.31+ | −.20 | −.10 | −.11 | −.04 | .73*** |
Total (n = 156) | −.50*** | −.30*** | −.15+ | .18* | .16* | .68*** |