Table 1. Characteristics of the respondents at T0.
|
Baseline scan result
|
||||
|---|---|---|---|---|
| Total group (n=630) | Negative (n=489) | Indeterminate (n=141) | P differences Negative/Indeterminate result | |
| Sex: male (%) | 47.1 | 46.2 | 50.4 | 0.386a |
| Age in years: mean (s.d.), median | 57.8 (5.5), 56.7 | 57.7 (5.5), 56.6 | 58.3 (5.6), 57.5 | 0.225b |
| Education | 0.150a | |||
| 1. Primary education (%) | 9.3 | 8.9 | 10.8 | |
| 2. Lower vocational or lower secondary general education (%) | 37.9 | 38.3 | 36.7 | |
| 3. Intermediate vocational or higher secondary general education (%) | 25.1 | 23.4 | 30.9 | |
| 4. Higher vocational education or university (%) | 27.7 | 29.4 | 21.6 | |
| Marital status: Married/living with partner (%) | 74.9 | 75.1 | 74.5 | 0.888a |
| Smoking | ||||
| Current smokers (%) | 54.6 | 53.6 | 58.2 | 0.336a |
| Pack-years mean (s.d.), median | 40.1 (17.8), 34.2 | 40.1 (18.2), 34.2 | 39.9 (16.3), 34.2 | 0.732b |
Abbreviation: s.d.=standard deviation.
a
χ2-test.
b
Mann–Whitney U-test.