| age-period-cohort analysis of the bovine spongiform encephalopathy (bse) epidemic in switzerland. | cattle born after animal-feed control measures were implemented in 1990 have become bse cases in switzerland, indicating sub-optimal effectiveness of these measures. to evaluate these measures, the incidence of bse cases in switzerland recorded through clinical case reporting from january 1991 to june 2000 (categorized into age groups and birth cohorts of 6-month duration) was analyzed by poisson log-linear regression using an age-period-cohort model. the incidence was maximum in the cattle coho ... | 2004 | 15579332 |
| [geographic distribution of bse in switzerland]. | visual evaluation of the occurrence of bab (born after ban) cases pointed towards spatial clustering. therefore a statistical analysis of spatial case clustering was conducted using gis technology. in the initial analysis, all 376 cases (135 bab, 241 bbb/born before ban) diagnosed through mid of march 2001 were investigated using the spatial scan statistic. two clusters of bbb cases were identified in the western part of switzerland, and two clusters of bab cases in the eastern part. epidemiolog ... | 2002 | 12585211 |
| a swiss population-based assessment of dietary habits before and after the march 1996 'mad cow disease' crisis. | to assess differences in dietary habits in the general population of geneva, switzerland, after the 1996 (bse) crisis. | 1999 | 10099949 |