Skip to main content

Table 3 Associations between baseline scores on the Back Belief Questionnaire and baseline characteristics. Univariate linear regressions with the BBQ sum score as dependent variable and baseline characteristics as explanatory variables

From: Back beliefs in patients with low back pain: a primary care cohort study

 CoefficientP > t95% Confidence IntervalDegrees of FreedomAdjusted R-squared
Age   20.0087
 18–37     
 38–511.31< 0.0010,72; 1.89  
 52–871.10< 0.0010.51; 1.70  
Sex (female)1.46< 0.0010.97; 1.9510.0143
More than 3 episodes of LBP−1.29< 0.001− 1.85; − 0.7210.0116
Pain for more than 1 year−1.260.002−2.06; − 0.4610.0038
More than 30 days of pain− 1.17< 0.001− 1.67; − 0.6710.0087
Backpain (VAS)
 Backpain linear relation−0.34< 0.001− 0.46; − 0.2310.0140
Quantiles of back pain < 0.001   
 VAS 0–5   30.0133
 VAS 6–7−0.66 −1.29; 0.03  
 VAS 8−1.31 −2.0; −0.62  
 VAS 9–10− 2.1 − 2.85; −1.34  
Disability (RMDQ)
Quantiles of RMDQ < 0.001 30.0660
 RMDQ score 0–9     
 RMDQ score 10–14−0.55 −1.17; 0.07  
 RMDQ score 15–17−2.03 −2.71; − 1.35  
 RMDQ score 18–23−3.96 −4.62; −3.31  
Other treatment for current LBP (n = 547) a−0.950.002−1.54; − 0.3610.0053
General practitioner (n = 308)−1.59< 0.001−2.31; −0.8810.0108
Chiropractor (n = 143)−0.850.095−1.85; 0.1510.0011
Physiotherapist (n = 315−1.050.004−1.77; −0.3410.0044
Other (n = 160)−0.390.416−1.34; 0.551−0.0002
Having seen more than 1 other healthcare provider (n = 297)−1.39< 0.001−2.12; −0.6610.0078
Treatment for previous LBP (n = 1104 of 1657) b−0.530.082−1.12; −0.0710.0012
General practitioner (n = 322)−1.60< 0.001−2.30; −0.9010.0113
Chiropractor (n = 811)−0.310.272−0.87; 0.2510.0001
Physiotherapist (n = 570)−0.890.003−1.47; −0.2910.0046
Other (n = 207)−1.010.019−1.86; −0.1710.0027
Having seen more than 1 other health care provider (n = 571)−1.164< 0.001−1.75; −0.5810.0085
  1. LBP low back pain
  2. VAS visual analogue scale
  3. RMDQ Roland-Morris Disability Questionnaire
  4. aout of a total of 1659 answers with a total of 634 missing
  5. bout of a total of 1657 answers with a total of 636 missing