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Table 4 Multivariable linear regression showing factors independently associated with disability (RMDQ score) in patients with CLBP, Douala General Hospital, Cameroon

From: Factors influencing disability in patients with chronic low back pain attending a tertiary hospital in sub-Saharan Africa

Variables Categories β 95% CI p-value
Marital Status Single −1.31 −4.21 to 1.58 0.371
Widowed 3.42 −0.14 to 6.98 0.059
Married 1   
Gender Female −0.05 −2.12 to 2.02 0.963
Male 1   
Educational level Tertiary −1.28 −9.55 to 6.99 0.759
Secondary −2.49 −10.85 to 5.86 0.555
Primary −1.98 −10.26 to 6.31 0.637
No formal 1   
Employment status Retired −0.90 −5.87 to 4.08 0.721
Employed 0.15 −3.13 to 3.43 0.929
Student −0.59 −8.08 to 6.91 0.877
Housewife 0.62 −3.83 to 5.06 0.784
Unemployed 1   
Alcohol Consumer −3.55 −6.01 to −1.10 0.005
Non-consumer 1   
Sensory neuropathy Present 0.67 −1.35 to 2.70 0.510
Absent 1   
Sphincter Dysfunction Present 2.33 0.25 to 4.42 0.029
Absent 1   
Leg pain Present 0.51 −1.49 to 2.52 0.613
Absent 1   
Age   0.03 −0.74 to 1.30 0.585
Pain intensity   0.07 0.03 to 0.11 0.002
Duration of pain episode   −0.01 −0.03 to 0.02 0.747
Sleep satisfaction   −0.03 −0.07 to 0.01 0.137
Days of work loss   0.15 0.05 to 0.24 0.003
Psychological wellbeing   −0.10 −0.16 to −0.03 0.004
  1. aR2 = 0.407, β = beta coefficient, CI = confidence interval