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Table 1 Sociodemographic characteristics of the patients’ sample

From: Assessment of depression severity with the PHQ-9 in cancer patients and in the general population

  Total (N = 2,059) Males (N = 1,210) Females (N = 849)
  N % N % N %
Age Mean (SD) in years 62.4 (14.2) 64.8 (11.9) 59.1 (16.4)
Age category       
 18-35 y. 141 6.8 53 4.4 88 10.4
 36-45 y. 138 6.7 30 2.5 108 12.7
 46-55 y. 233 11.3 108 8.9 125 14.7
 56-65 y. 498 24.2 333 27.5 165 19.4
 66-75 y. 788 38.3 544 45.0 244 28.7
 76-94 y. 261 12.7 142 11.7 119 14.0
Diagnosis       
 Prostate 640 31.1 640 52.9 0 0.0
 Breast 346 16.8 3 0.2 343 40.4
 Colon 196 9.5 91 7.5 105 12.4
 Kidney 119 5.8 68 5.6 51 6.0
 Bladder 91 4.4 71 5.9 20 2.4
 Rectum 90 4.4 56 4.6 34 4.0
 Hodgkin lymphoma 64 3.1 28 2.3 36 4.2
 Stomach 53 2.6 35 2.9 18 2.1
 Ovary 41 2.0 0 0.0 41 4.8
 Testis 35 1.7 35 2.9 0 0.0
 Other non-Hodgkin lymphoma 31 1.5 17 1.4 14 1.6
 Pancreas 31 1.5 21 1.7 10 1.2
 Oesophagus 30 1.5 26 2.1 4 0.5
 Non-follicular lymphoma 30 1.5 16 1.3 14 1.6
 Thyroid gland 29 1.4 8 0.7 21 2.5
 Others 233 11.3 95 7.9 138 16.3
Number of tumors       
 1 1,851 89.9 1,084 89.6 767 90.3
 ≥2 208 10.1 126 10.4 82 9.7
Surgery       
 no 208 10.1 110 9.1 98 11.5
 yes 1,851 89.9 1,100 90.9 751 88.5
Radiation       
 no 1,424 69.2 973 80.4 451 53.1
 yes 635 30.8 237 19.6 398 46.9
Chemotherapy       
 no 1,326 64.4 908 75.0 418 49.2
 yes 733 35.6 302 25.0 431 50.8
Endocrine therapy       
 no 1,782 86.5 1,142 94.4 640 75.4
 yes 277 13.5 68 5.6 209 24.6
Antibody therapy       
 no 1,934 93.9 1,166 96.4 768 90.5
 yes 125 6.1 44 3.6 81 9.5