Table 3 Prevalence of self-reported low back pain and the associations with selected job-related factors

412

69.7

1

2457

71.2

1

243

74.9

n.s

1.30

0.91–1.86

1319

79.1

**

1.53

1.30–1.79

340

73.2

1.19

0.87–1.60

985

77.5

1.39

1.17–1.65

549

68.9

1

2122

70.2

1

426

77.0

**

1.50

1.13–2.01

2536

78.4

**

1.54

1.34–1.75

314

66.6

1

3184

73.4

1

78

70.5

*

1.20

0.70–2.06

355

75.2

*

1.10

0.85–1.42

606

75.4

1.54

1.14–2.08

1242

77.8

1.27

1.08–1.60

304

67.1

1

1760

71.5

1

684

74.6

*

1.43

1.06–1.92

2907

76.5

**

1.29

1.23–1.46

340

62.6

1

2267

69.9

1

637

77.7

**

2.05

1.53–2.74

2399

78.9

**

1.60

1.40–1.83

598

68.7

1

2872

72.1

1

377

78.2

**

1.62

1.02–2.19

1810

78.4

**

1.39

1.22–1.61

565

69.0

1

3063

73.5

1

412

77.2

**

1.51

1.13–2.02

1599

77.0

*

1.20

1.04–1.38

583

69.5

1

2438

71.1

1

404

76.0

*

1.41

1.06–1.88

2249

78.6

**

1.49

1.31–1.71

568

68.0

1

3467

72.3

1

420

78.1

**

1.66

1.24–2.24

1242

80.9

**

1.62

1.38–1.90

392

67.3

1

2432

68.5

1

603

75.5

**

1.45

1.09–1.93

2274

81.2

**

2.00

1.74–2.29

772

68.9

1

3717

73.0

1

209

85.6

**

2.65

1.75–4.03

950

80.8

**

1.55

1.30–1.85

685

70.4

1

3191

72.1

1

254

77.6

*

1.44

1.03–2.02

1189

81.1

**

1.64

1.39–1.94

776

70.6

1

3329

73.8

1

193

79.8

*

1.60

1.09–2.36

1071

78.7

**

1.31

1.11–1.55

694

69.2

1

3013

73.1

1

271

81.2

**

1.89

1.34–2.67

1379

79.0

**

1.38

1.19–1.61