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Table 4 External construct validity of items on the German BQ LBP

From: Translation and validation of the German version of the Bournemouth questionnaire for low back pain

BQ scale Oswestry pre- treatment (r) Oswestry post-treatment (r) SF-36 pre-treatment (r) SF-36 post-treatment (r)
Pain .51 .79 .55 .57
Physical function .51 .78 .54 .55
Social function .50 .72 .30 .54
Anxiety .55   .53 .68
Depression .52   .56 .44
Work-related fear avoidance .66   .24 .24
Pain control .24   .17* .29
Total score .59 .82 .67 .77
  1. * = not statistically significant. All other correlations are significant at p < 0.02.