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Table 1 Characteristics of participants (n = 833) undergoing surgery for prostate cancer between September 1, 2008 and August 31, 2009

From: Intrusive thoughts and quality of life among men with prostate cancer before and three months after surgery

Characteristics Number Percent
Non-participants in the present cohort, out of 971 eligible 138 14.1
  Not returning any questionnaire 46 4.6
  Not returning questionnaire before surgery 72 7.4
  Not returning questionnaire 3 months after surgery 20 2.1
Participants in the present cohort (returning two questionnaires) 833 85.9
Age quartiles (mean 62.6; SD = 6.2)
  41–59 years 230 27.6
  60–77 years 603 72.4
Mean number of days before surgery, first questionnaire (median 6; SD = 27.8) 11  
Mean number of days after surgery, second questionnaire (median 91; SD = 22.8) 93  
Level of education
  Primary school 160 19.2
  Secondary school, 3 years 238 28.6
  Upper secondary school 106 12.7
  College/University 317 38.1
  Other 8 1.0
  Not indicated 4 0.5
Marital status
  Married or living with partner 698 83.8
  Living alone, but has partner 64 7.7
  Living alone, no partner 66 7.9
  Not indicated 5 0.6
  Widowera 22 2.6
Employment status before surgery
  Employed 463 55.6
  Unemployed 4 0.5
  Retired 298 35.7
  On short or long-term sick leave 38 4.6
  Other 22 2.7
  Not indicated 8 0.9
Residence
  Rural 118 14.2
  Village or town 281 33.7
  City (population > 500,000) 425 51.0
  Abroad (not in Sweden) 5 0.6
Use of anti-depressants 36 4.3
Bodily pain, at least once a week or more 161 19.3
Intercurrent illnesses, one or more (yes) 417 50.1
Clinical stage, rectal palpation before surgery
  T1 450 54.0
  T2/T3 332 39.9
  Not indicated 56 16.9
  1. a 14 answers were missing on this question, 22 responded yes, 797 no. Respondents may have been widowers with a current partner.