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
Coefficient | P > t | 95% Confidence Interval | Degrees of Freedom | Adjusted R-squared | |
|---|---|---|---|---|---|
Age | 2 | 0.0087 | |||
18–37 | |||||
38–51 | 1.31 | < 0.001 | 0,72; 1.89 | ||
52–87 | 1.10 | < 0.001 | 0.51; 1.70 | ||
Sex (female) | 1.46 | < 0.001 | 0.97; 1.95 | 1 | 0.0143 |
More than 3 episodes of LBP | −1.29 | < 0.001 | − 1.85; − 0.72 | 1 | 0.0116 |
Pain for more than 1 year | −1.26 | 0.002 | −2.06; − 0.46 | 1 | 0.0038 |
More than 30 days of pain | − 1.17 | < 0.001 | − 1.67; − 0.67 | 1 | 0.0087 |
Backpain (VAS) | |||||
Backpain linear relation | −0.34 | < 0.001 | − 0.46; − 0.23 | 1 | 0.0140 |
Quantiles of back pain | < 0.001 | ||||
VAS 0–5 | 3 | 0.0133 | |||
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 | 3 | 0.0660 | ||
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 | −0.95 | 0.002 | −1.54; − 0.36 | 1 | 0.0053 |
General practitioner (n = 308) | −1.59 | < 0.001 | −2.31; −0.88 | 1 | 0.0108 |
Chiropractor (n = 143) | −0.85 | 0.095 | −1.85; 0.15 | 1 | 0.0011 |
Physiotherapist (n = 315 | −1.05 | 0.004 | −1.77; −0.34 | 1 | 0.0044 |
Other (n = 160) | −0.39 | 0.416 | −1.34; 0.55 | 1 | −0.0002 |
Having seen more than 1 other healthcare provider (n = 297) | −1.39 | < 0.001 | −2.12; −0.66 | 1 | 0.0078 |
Treatment for previous LBP (n = 1104 of 1657) b | −0.53 | 0.082 | −1.12; −0.07 | 1 | 0.0012 |
General practitioner (n = 322) | −1.60 | < 0.001 | −2.30; −0.90 | 1 | 0.0113 |
Chiropractor (n = 811) | −0.31 | 0.272 | −0.87; 0.25 | 1 | 0.0001 |
Physiotherapist (n = 570) | −0.89 | 0.003 | −1.47; −0.29 | 1 | 0.0046 |
Other (n = 207) | −1.01 | 0.019 | −1.86; −0.17 | 1 | 0.0027 |
Having seen more than 1 other health care provider (n = 571) | −1.164 | < 0.001 | −1.75; −0.58 | 1 | 0.0085 |