Table 1 Patient and control baseline characteristics

Age (years)

67.9 ± 5.8

67.9 ± 5.8

BMI (kg/m²)

Missing data

26.7 ± 3.4

6

26.6 ± 3.8

3

0.70

PSA levels (ng/ml)

Missing Data

0.03 [0.01–0.2]

15

1.52 [0.75–3.11]

55

 Secondary school

161 (43.4%)

84 (45.7%)

0.26

 University

121 (32.6%)

67 (36.4%)

 Post-graduate

89 (24%)

33 (17.9%)

 Missing

5

4

Living alone

28 (7.6%)

19 (10.3%)

0.27

Marital status

0.29

 Single

15 (4%)

6 (3.2%)

 Married / in couple

333 (89%)

161 (86.6%)

 Separated

16 (4.3%)

8 (4.3%)

 Widowed

10 (2.7%)

11 (5.9%)

 Missing data

2

2

Monthly income

 0 to 750 €

12 (3.4%)

4 (2.2%)

0.81

 750 to 1500 €

30 (8.5%)

17 (9.4%)

 1500 to 3000 €

149 (42%)

80 (44.4%)

  > 3000 €

164 (46.2%)

79 (43.9%)

 Missing data

21

8

Chronic disease

0.33

 None

150 (42.6%)

66 (38.2%)

 At least one

202 (57.4%)

107 (61.9%)

 Missing data

24

15

Regular medication

Missing data

256 (70%)

10

134 (72.8%)

4

0.48

 Active surveillance

61 (16.2%)

–

 Radical prostatectomy

258 (68.6%)

–

 Chemotherapy

15 (4%)

–

 EBRT

90 (23.9%)

–

 Brachytherapy or HIFU

52 (13.8%)

–

 Androgen deprivation therapy

26 (6.9%)

–

 Missing data

5

–

Patient in active employment at diagnosis

Missing data

71 (19%)

3

–

Patient in active employment at time of questionnaire

Missing data

50 (13.5%)

5

–