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Table 5 Risk factors for LBP among Botswana teachers

From: Low back pain among school teachers in Botswana, prevalence and risk factors

Risk factorsa

Logistic OR(95% CI)

Corrected OR (95% CI)

P value

Gender

   

Male

1

1

 

Female

1.51 (1.14-2.00)

1.42 (1.12-1.77)

0.004

Age (years)

   

≤30

1

1

 

31-40

1.25 (0.89-1.75)

-

0.203

41-50

1.56 (1.08-2.24)

1.47 (1.07-1.97)

0.017

>50

1.46 (0.83-2.55)

-

0.185

Previous injury

   

No

1

1

 

Yes

9.67 (4.94-18.93)

1.92 (1.74-2.02)

0.001

Hours of physical exercise per week (h)

   

≤5

1

1

 

>5

0.63 (0.43-0.93)

0.64 (0.45-0.93)

0.021

Much physical effort

   

No

1

  

Yes

1.10 (0.81-1.49)

-

0.539

Rapid physical activity

   

No

1

  

Yes

1.12 (0.82-1.53)

-

0.475

Awkward body position

   

No

1

  

Yes

1.09 (0.75-1.59)

-

0.649

Awkward arm position

   

No

1

1

 

Yes

1.81 (1.24-2.62)

1.39 (1.14-1.63)

0.002

Psychosocial job demands

   

Low

1

1

 

High

1.40 (1.02-1.93)

1.34 (1.02-1.76)

0.040

Job dissatisfaction

   

Low

1

  

High

1.23(0.95-1.60)

-

0.119

  1. aRisk factors evaluated simultaneously using logistic regression and expressed as Logistic Odds Ratios (OR) with 95% Confidence Intervals (95% CI). All OR adjusted for gender and age.
  2. bOdds ratios with statistically significant results corrected using the formula of Zhang & Kai[30]. Statistically significant differences (p<0.05) are marked in bold.