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Table 4 Clinical conditions among 193 carpenters and 72 painters. Odds ratios (OR) and 95% confidence intervals (CI) calculated by logistic regression (Statistically significant differences are shown in bold face)

From: Adverse health manifestations in the hands of vibration exposed carpenters - a cross sectional study

 

Carpenters

N (%)

Painters

N (%)

Crude

OR (CI)

Age-adjusted

OR (CI)

Sensitivity analysisb

OR (CI)

Neural manifestations

 ICC ≥ N2

11 (6)

2 (3)

2.1 (0.59.8)

2.8 (0.613.2)

n.a.

 SWS ≥ 2SN

32 (17)

7 (10)

1.8 (0.84.4)

2.3 (0.95.6)

3.2 (1.0–10.1)

Neurosensory affection

60 (31)

12 (17)

2.3 (1.1–4.5)

3.3 (1.6–7.0)

3.5 (1.5–8.3)

 Nerve entrapment (all except carpal tunnel syndrome)

25 (13)

8 (11)

1.2 (0.52.8)

1.3 (0.63.2)

n.a.

 Carpal tunnel syndrome

20 (10)

8 (11)

0.9 (0.42.2)

1.1 (0.42.6)

1.6 (0.55.2)

Vascular manifestations a

 ICC ≥ V2

9 (5)

1 (1)

3.4 (0.427.1)

5.6 (0.747.2)

6.1 (0.755.8)

 SWS ≥ V2

10 (5)

2 (3)

1.9 (0.48.7)

2.8 (0.6–13.5)

6.0 (0.752.5)

  1. aData missing from two carpenters due lack of hand diagram, and data excluded from two painters due to debut of white fingers before age 18
  2. bExcluding participants with diabetes, cardiovascular, thyroid or rheumatic disease, impaired perception of vibration in the foot, or peripheral nerve entrapment in upper extremity/neck (except for carpal tunnel syndrome)
  3. n.a. not applicable