Erratum to: Qual Life Res DOI 10.1007/s11136-010-9673-x
Figure 1 in the Original publication contains the following error.
The order of the labels, “* + Education” and “* + Marital status”, on the horizontal axes was switched.
Footnotes
The online version of the original article can be found under doi:10.1007/s11136-010-9673-x.