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Table 4 Main determinants of a significant variation of the PCQ score during follow-up (multivariate analysis, general linear model; n = 832)

From: CT scan screening is associated with increased distress among subjects of the APExS

Variables

ΔPCQa,bMean increase

95% CI

P value

Gender

-

 

0.1678

Males

+ 2.75

1.95, +3.54

 

Females

+1.64

-0.05, +3.33

 

Smoking status

-

 

0.0646

Non smokers

+1.71

+0.71, +2.71

 

Former Smokers

+1.70

+0.57, +2.83

 

Smokers

+3.17

+1.49, +4.85

 

Age (years)

-

 

0.7027

< 60

+1.91

+0.91, +2.91

 

60-75

+1.99

+0.95, +3.04

 

> 75

+2.67

+0.78, +4.57

 

Self-assessment of asbestos exposure

-

 

0.0095

Nil/light

+1.69

+0.11, +3.26

 

Moderate

+1.38

+0.22, +2.55

 

Heavy

+2.86

+1.64, +4.08

 

Do not know

+2.84

+1.60, +4.07

 

Counseling visit

  

0.2942

No

+1.96

+0.75, +3.16

 

Yes

+2.43

+1.34, +3.52

 

CT scan results

-

 

0.0039

Normal

+1.40

+0.11, +2.69

 

Isolated pulmonary nodules (only)

+1.88

+0.34, +3.42

 

Pleural plaques (only)

+3.60

+2.15, +5.06

 

Asbestosis (with or without pleural plaques)

+2.52

+0.80, +4.24

 

Other diseases (only)

+1.76

+0.46, +3.06

 

Two or more of the above lesions

+3.37

+1.39, +5.34

 

Unknown results

+0.83

-0.50, +2.17

 
  1. a ΔPCQ is defined as the PCQ at T2-PCQ at T1 difference
  2. b Means are adjusted for gender, age, smoking status, counseling visit and self-assessment of asbestos exposure