Table 3 OSD score variations by sociodemographic and clinical characteristics

Age

 18 – 27

46.3 ± 10.7

2.28

0.059

 28 – 37

40.3 ± 10.1

 38 – 47

40.2 ± 10.9

 48 – 57

42.6 ± 10.7

 58 + 

40.9 ± 11.9

Gender

 Male

45.7 ± 11.0

8.65

0.000**

 Female

38.1 ± 9.7

Marital status

 Single

43.0 ± 11.5

1.27

0.284

 Married

41.4 ± 10.8

 Separated

40.6 ± 10.7

 Widowed

39.6 ± 11.1

Body Mass Index

 Underweight

41.0 ± 9.9

1.32

0.266

 Normal

40.0 ± 10.6

 Overweight

42.2 ± 11.3

 Obese

41.4 ± 10.9

Education level

 No formal education

42.4 ± 12.0

0.69

0.559

 Primary

41.3 ± 10.6

 Secondary

40.5 ± 11.2

 Tertiary

40.9 ± 9.9

Income category

 Poor

40.7 ± 10.6

0.645

0.628

 Low emerging middle

41.0 ± 11.0

 Emerging middle

41.3 ± 11.2

 Realised middle

41.6 ± 10.9

 Upper middle

44.1 ± 10.2

Exercise

 No

41.9 ± 11.2

1.95

0.052

 Yes

40.1 ± 10.3

Cigarette smoking

 No

41.1 ± 10.4

4.83

0.008*

 Yes, 1 – 10 per day

39.5 ± 11.4

 Yes. More than 11

43.9 ± 11.2

Alcohol consumption

 No

41.1 ± 10.4

0.79

0.454

 Occasional

40.6 ± 11.5

 Frequent

42.2 ± 11.2

Type of work

 Semisedentary

40.0 ± 10.4

4.98

0.007*

 Sedentary

43.0 ± 12.0

 Manual work

42.8 ± 10.9

Sitting posture

 Straight back

43.7 ± 10.3

2.45

0.063

 Stooped

42.6 ± 11.4

 Forward inclination

40.0 ± 10.8

 Backward inclination

40.9 ± 10.8

LBP duration

 Less than 3-months (non-chronic)

40.1 ± 10.5

-4.56

0.000**

 3-months and above (chronic)

45.1 ± 11.2

LBP severity

 Mild

40.2 ± 10.5

3.27

0.039*

 Moderate

42.7 ± 11.7

 Severe

42.2 ± 10.5

Sciatica

 Yes

42.0 ± 11.8

0.86

0.389

 No

41.0 ± 10.7