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Table 3 Odds Ratios for prevalence of self reported musculoskeletal symptoms by demographic and work characteristics

From: Differences in prevalence of self-reported musculoskeletal symptoms among computer and non-computer users in a Nigerian population: a cross-sectional study

 

SRMS

SRMS

 

over the past 7 days

during the past 12 months

 

OR (95% CI)

OR (95% CI)

Age

    

<20

1

Reference

1

Reference

21-30

0.83

0.67-0.92*

0.94

0.73-1.58

31-40

0.65

0.58-0.84*

0.74

0.51-0.84*

>40

0.42

0.31-0.64*

0.61

0.47-0.77*

Sex

    

Male

1

Reference

1

Reference

Female

0.42

0.16-058*

0.74

0.55-0.63*

Marital Status

    

Single

1

Reference

1

Reference

Married

0.75

0.52-1.36

0.94

1.73-1.47*

Daily time of computer use

    

<2 hours

1

Reference

1

Reference

2-4 hours

1.36

0.92-1.68*

3.25

1.84-4.73*

>4 hours

4.12

3.21-5.16*

.04

3.66-6.33*

Accumulated years of computer use

    

<1 year

1

Reference

1

Reference

1-3 years

0.95

0.62-1.35

1.34

1.16-1.82*

4-6 years

1.25

0.73-1.56

2.51

1.88-2.97*

>6 years

1.72

1.41-2.15*

4.29

3.64-5.01*

Work Task

    

Word processing

1

Reference

1

Reference

Data entry

1.73

1.52-1.95*

2.28

1.79-2.58*

Designs/graphics

2.55

2.04-2.98*

6.62

5.16-6.94*

Others

0.82

0.55-1.48

1.36

0.78-1.74

  1. *Significant at p < 0.05