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Table 1 Characteristics of women diagnosed with breast cancer in Stockholm, Sweden, 2001–2008, screening non-participants vs participants

From: Discontinuation of adjuvant hormone therapy among breast cancer patients not previously attending mammography screening

  Mammography screening p value
Participants Non-participants
Register data (n = 5098)
 Age, yearsa    < .001
  40–49 161 (3.9) 23 (2.4)  
  50–59 1879 (45.2) 526 (55.8)  
  ≥ 60 2116 (50.9) 393 (41.7)  
 Menopausal status    0.115
  Pre-menopause 554 (14.3) 108 (12.3)  
  Post-menopause 3313 (85.7) 771 (87.7)  
  Unknown 289 63  
 Country of birth    0.007
  Nordic 4068 (97.9) 908 (96.4)  
  Non-Nordic 88 (2.1) 34 (3.6)  
 Marital status    < .001
  Married 2220 (54.3) 449 (49.4)  
  Unmarried 593 (14.5) 133 (14.6)  
  Widowed 299 (7.3) 52 (5.7)  
  Divorced 976 (23.9) 274 (30.2)  
  Unknown 68 34  
 Charlson Comorbidity Index    0.235
  0 3649 (87.8) 829 (88.0)  
  1 374 (9.0) 92 (9.8)  
  ≥ 2 133 (3.2) 21 (2.2)  
 Family history of breast cancer    0.417
  No 782 (28.4) 193 (30.0)  
  Yes 1975 (71.6) 451 (70.0)  
  Unknown 1399 298  
Questionnaire data (n = 3038)
 Education, years    0.639
  ≤ 9 374 (19.1) 70 (18.2)  
  9–12 553 (28.2) 102 (26.5)  
  > 12 1033 (52.7) 213 (55.3)  
  Other 488 80  
  Unknown 104 21  
 Employment status    0.175
  Employed 1666 (68.3) 332 (72.5)  
  Unemployed (≥ 6 months) 35 (1.4) 6 (1.3)  
  Retired 626 (25.7) 96 (21.0)  
  Long-term sick leave (≥ 6 months) 65 (2.7) 17 (3.7)  
  Housewife 47 (1.9) 7 (1.5)  
  Others or unknown 113 28  
 Cigarette smoking    0.634
  Never 942 (38.3) 173 (37.1)  
  Ever 1518 (61.7) 293 (62.9)  
  Unknown 92 20  
 Parity    0.971
  0 385 (15.6) 71 (15.2)  
  1–2 1549 (62.6) 295 (63.2)  
  ≥ 3 540 (21.8) 101 (21.6)  
  Unknown 78 19  
  1. aThe Stockholm Mammography Screening Program invites women aged 40–49 years only from mid-2005