Table 3: Prognostic factors of good back pain outcome based on predictor regression model, including variables being significant in Table 2.

VariableGood outcome (202 subjects)Poor outcome (147 subjects)OR*95% CI**

Type of pain
 Recent60184.852.88–8.17
 Periodic102631.911.15–4.22
 Persistent40661.00Ref.

Body mass index (kg/m2)
 <25101752.701.15–4.22
 25–<3081431.900.60–4.56
 ≥3020291.00Ref.

Occupation
 Professional34382.161.30–3.28
 Skilled69521.280.79–2.07
 Nonskilled99571.00Ref.

Age group in years
 <3052311.901.16–3.02
 30–50122841.701.05–3.01
 ≥5028321.00Ref.

Pain site
 Localized106501.501.01–2.01
 Radiated96971.00Ref.

*Results of predictive regression model.
**95% confidence intervals.