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Table 2 Proportion of knee complaints among floor layers and graphic designers from the initial study sample, stratified into age groups

From: Clinical knee findings in floor layers with focus on meniscal status

 

Floor layers

Graphic designers

 

Attendees†

Non-attendees‡

  

Attendees†

Non-attendees‡

  

Age groups

N§

n||| (%)

N§

n||| (%)

RR

95% CI

N§

n||| (%)

N§

n||| (%)

RR

95% CI

≤ 49 years

43

23 (53)

45

19 (42)

1.27

0.82–1.97

7

4 (57)

22

5 (23)

2.51

0.92–6.85

50–59 years

72

41 (57)

23

9 (39)

1.46

0.84–2.52

73

23 (32)

42

8 (19)

1.65

0.81–3.36

≥ 60 years

19

6 (32)

29

12 (41)

0.76

0.35–1.68

40

19 (48)

74

12 (16)

2.93

1.59–5.40

  1. Risk ratio (RR) with 95% confidence interval (CI) among those who agreed to attend the medical examination compared to those who declined.
  2. † Floor layers (n = 134), graphic designers (n = 120)
  3. ‡ Floor layers (n = 97), graphic designers (n = 138)
  4. § Total in each age group
  5. |||Knee complaints during the past 12 months
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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