International Scholarly Research Notices / 2012 / Article / Tab 2

Research Article

Prognostic Factors of Short-Term Outcome of Low Back Pain in Patients Attending Health Insurance Clinics in Sharkia Governorate, Egypt

Table 2

Odds ratio and their 95% confidence intervals of good back pain outcome with the studied factors.

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

(i) Sociodemographic factors

Age group in years
 <3052311.881.16–3.03
 30–50122841.591.06–2.40
 ≥5028321.00Ref.

Sex
 Male119801.180.87–1.60
 Female83671.00Ref.

Education
 Secondary and higher109621.611.19–2.18
 Less than secondary93851.00Ref.

Occupation
 Professional34381.901.27–2.83
 Skilled69521.531.01–2.33
 Nonskilled99571.00Ref.

Body mass index (kg/m2)
 <25101752.700.97–3.34
 25–<3081431.900.60–4.56
 ≥3020291.00Ref.

(ii) Lifestyle factors

Smoking
 Never smoker69611.481.03–2.13
 Ex-smoker61411.310.90–1.90
 Smoker72451.00Ref.

Physical activity
 Yes123871.060.78–1.45
 No79601.00Ref.

(iii) History of back pain episode

Pain grade
 Mild45154.972.96–8.34
 Moderate125792.591.79–3.75
 Severe32531.00Ref.

Pain site
 Localized106502.121.55–2.89
 Radiated96971.00Ref.

Pain Type
 Recent60185.393.38–8.57
 Periodic102632.611.83–3.73
 Persistent40661.00Ref.

*Result of univariate models.
**95% confidence intervals.

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