Table 1 Socio-economic position of the study population divided according to participation in the screening programme (n = 144,264, numbers vary due to missing observations)
All women | Participants | Non-participants | P-value (chi2) | ||
|---|---|---|---|---|---|
N (% column) | N (% column) | ||||
113,811 | (79.1) | 30,453 | (21.1) | ||
Chronic disease (no missings)a | Â | Â | Â | <0.001 | |
 No | 104,012 | (79.7) | 26,533 | (20.3) |  |
 Yes | 9,799 | (71.4) | 3,920 | (28.6) |  |
Age on the screening date (no missings) | Â | <0.001 | |||
 50–54 years | 30,965 | (80.4) | 7,536 | (19.6) |  |
 55–59 years | 30,722 | (80.2) | 7,580 | (19.8) |  |
 60–64 years | 30,532 | (79.2) | 7,998 | (20.8) |  |
 65–69 years | 21,592 | (74.6) | 7,339 | (25.4) |  |
Marital status (missing N = 83 (0.06 %)) |  | <0.001 | |||
 Married/cohabiting | 88,590 | (82.7) | 18,484 | (17.3) |  |
 Single | 25,183 | (67.9) | 11,924 | (32.1) |  |
Ethnicity (missing N = 48 (0.03 %)) |  |  |  | <0.001 | |
 Danish/descendant | 110,018 | (79.6) | 28,201 | (18.3) |  |
 Immigrants | 3,773 | (62.9) | 2,224 | (37.1) |  |
Education (missing N = 2,279 (1.6 %)) |  | <0.001 | |||
  ≤ 10 years | 39,214 | (75.6) | 12,651 | (24.4) |  |
 11–15 years | 47,661 | (81.8) | 10,624 | (18.2) |  |
  > 15 years | 25,549 | (80.2) | 6,286 | (19.7) |  |