Fig. 1

Age, Period, and Cohort effects on active leisure time physical activity and active commuting. Canadian National Population Health Survey, 1994–2011, Birth cohorts: 1980s = Born 1975–84; 1970s = Born 1965–74; 1960s = Born 1955–64; 1950s = Born 1945–55; 1940s = Born 1935–44. LTPA, leisure time physical activity. Values in A are predictions from model 1in Additional file 1 and values in B and C are predictions from model 2 in Additional file 1. Values in D are predictions from model 1in Additional file 2 and values in E and F are predictions from model 2 in Additional file 2. Each panel shows p-values for age, period, and/or cohort effects from the corresponding models