Table 4 Probability to undergo chest radiograms for screening purposes: logistic regression for univariate analyses.

Gender

Females

1.

Males

1.130

0.988

1.292

Age (years)

< 45

1.

45–64

1.040

0.809

1.337

65–74

1.158

0.891

1.505

≥ 75

0.923

0.674

1.264

Profession (Prof.)

Other professions

1.

Profession at risk for lung diseases

0.846

0.713

1.003

Pensioners

1.319

1.093

1.593

Smoking Activity

No smokers

1.

Ex smokers

0.894

0.710

1.125

Smokers

1.053

0.907

1.223

Number of daily cigarettes

None

1.

1–19

0.935

0.767

1.140

≥ 20

1.002

0.851

1.179

Duration of smoke

<10 years

1.

10–19 years

1.135

0.539

2.387

≥ 20 years

0.871

0.442

1.719

Family history for lung cancer

No

1.

Yes

1.251

0.988

1.583

Family history for malignancies

No

1.

Yes

0.929

0.806

1.071