Table 3. Overweight and obesity in 51-80 years old women of the BBCD from 1990 to 2009 in comparison to women of the same age in the SHS 1992, 1997, 2002 and 2007 (15).
| Time period | Study group | Overweight (BMI 25-29.9) |
Obesity (BMI ≥30) |
|||
|---|---|---|---|---|---|---|
| % | 95% CI | % | 95% CI | |||
| 1990-1994 | BBCDa | 35.5 | 29.4-42.0 | 15 | 10.6-20.2 | |
| 1992 | SHSb,c,d | 38.6 | 37.3-39.8 | 12.9 | 12.4-13.5 | |
| 1995-1999 | BBCDa | 36.3 | 29.5-43.5 | 23.8 | 18.0-30.5 | |
| 1997 | SHSb,c,d | 37.8 | 36.5-39.1 | 19.5 | 18.8-20.3 | |
| 2000-2004 | BBCDa | 31.3 | 25.5-37.5 | 18.9 | 14.2-24.4 | |
| 2002 | SHSb,c,d | 38.5 | 37.4-39.6 | 17.4 | 16.8-18.0 | |
| 2005-2009 | BBCDa | 27.8 | 22.7-33.3 | 21.2 | 16.6-26.4 | |
| 2007 | SHSb,c,d | 36.2 | 35.2-37.3 | 17.7 | 17.1-18.3 | |
a, BBCD, Basel Breast Cancer Database; b, SHS, Swiss Health Survey; data source, Swiss Federal Office (FSO); c, weighted to allow for non-responders and stratification in relation to age, gender, and nationality; d, data corrected for self report (35).