District Inhabitants (%) Samples (%) Reutte 31,584 2.8 58 3.6 Upper Inn valley 94,457 8.4 120 7.4 Central Inn valley 268,323 23.6 411 25.5 Lower Inn valley 227,727 20 317 19.7 Drau valley 58,657 5.1 100 6.2 Danube Area 681,757 60 1,006 62.7 Pustertal 64,893 5.7 95 5.9 Eisack valley 62,199 5.5 79 4.9 Upper Etsch valley 204,629 18 277 17.2 Lower Etsch valley 122,568 10.8 144 9 Unknown residence     6 0.4 Etsch area 454,289 40 601 37.3 Male* 558,198 48.9 801 50 Female* 582,644 51.1 80 50 Aged 20-39 years 352,738 54.9 835 52 Aged 40-60 years 290,1 45.1 772 48 >10,000 inhabitants* 378,248 33.2 444 27.7 <10.000 inhabitants* 762,614 66.8 1,157 72.3 Altitude>1,200 m* 80,333 7 121 7.6 Altitude<1.200 m* 1,060,509 93 1,48 92.4 *Six participants did not specify the place of residence or gender

Table 1: Overview of the number of Tyroleans and the number of tested samples in this study, divided into particular river valleys, gender, age groups, urban and rural areas and the altitude of the river valleys in meters above sea level.