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Table 2 Mutually adjusted associations of risk factors at baseline with new onset of disabling low back pain

From: Assessment of potential risk factors for new onset disabling low back pain in Japanese workers: findings from the CUPID (cultural and psychosocial influences on disability) study

Risk factor aOR (95% CI) bOR (95% CI)
Age
 < 40 years 1.0   1.0  
 40–49 years 0.8 0.4–1.8 1.0 0.5–2.0
 ≥ 50 years 0.7 0.2–1.9 0.7 0.2–2.1
Female gender 1.4 0.7–2.8 1.5 0.8–3.0
Work ≥60 h per week 1.8 1.0–3.5 1.9 1.0–3.6
Lift weights ≥25 kg by hand 1.6 0.9–3.0 1.5 0.8–2.8
Inadequate break time at work 1.4 0.7–2.6 1.4 0.8–2.7
Past history of LBP 2.8 1.6–4.9
  1. Participants with missing data for any of the variables in the model were excluded
  2. aMutually adjusted odds ratios (with 95% confidence intervals) derived from a logistic regression model which included all of the variables for which results are presented
  3. bMutually adjusted odds ratios (with 95% confidence intervals) derived from a logistic regression model which included all of the variables for which results are presented but did not adjust for past history of LBP