Although several determinants of travel mode choices have been identified, most research has adopted a mono-disciplinary perspective. This study simultaneously investigated individual, socio-spatial (at the national and local level), and sociodemographic factors of active and sustainable mobility (walking, biking, and public transportation) to better understand their relationships. A mixed-methods was used, combining an online quantitative survey (N = 538, 54.83% women), three focus groups (n =