Table 1 Characteristics of the study population by region of birth in women aged 20–75 years
From: Incidence of breast cancer subtypes in immigrant and non-immigrant women in Norway
| Â | Non-immigrants | Immigrants | |||||
|---|---|---|---|---|---|---|---|
Non-immigrants | High-income | Eastern Europe | Middle East | Sub-Saharan Africa | South Asia | South East Asia | |
Total population | |||||||
Mean age (SD) at immigration | N/A | 26.2 (12.4) | 30.0 (13.3) | 24.2 (14.1) | 23.3 (12.4) | 25.0 (14.2) | 27.4 (10.9) |
Mean year (SD) of immigration | N/A | 1995 (17) | 2005 (10) | 2003 (9) | 2006 (8) | 2000 (12) | 2004 (10) |
Education (% tertiary)* | 14.1 | 47.5 | 45.9 | 34.2 | 20.7 | 32.5 | 59.5 |
Income (% lowest quintile)* | 14.0 | 31.7 | 41.6 | 62.2 | 75.4 | 44.3 | 39.3 |
Cases only | |||||||
Mean age (SD) when diagnosed | 62.2 (14.2) | 60.9 (13.6) | 51.8 (12.3) | 49.1 (11.8) | 44.8 (11.2) | 51.9 (12.3) | 48.1 (10.2) |
Mean time (SD) from immigration to diagnosis, years | N/A | 30.4 (14.9) | 14.8 (11.9) | 13.3 (8.8) | 14.5 (12.4) | 19.9 (10.7) | 16.1 (10.6) |
Tumor grade (% high grade 3 or 4) | 16.0 | 16.2 | 19.3 | 21.6 | 19.1 | 21.1 | 21.1 |