Table 1 Characteristics of participants in each birth cohorta. Canadian National Population Health Survey, 1994–2011
|  | 1940s(1935–1944) | 1950s(1945–1954) | 1960s(1955–1964) | 1970s(1965–1974) | 1980s(1975–1984) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Cycle 1 1994/95 | Cycle 9 2010/11 | Cycle 1 1994/95 | Cycle 9 2010/11 | Cycle 1 1994/95 | Cycle 9 2010/11 | Cycle 1 1994/95 | Cycle 9 2010/11 | Cycle 1 1994/95 | Cycle 9 2010/11 | |
Number in cohort | 1526 | 989 | 2118 | 1529 | 2697 | 1841 | 2135 | 1333 | 1574 | 946 |
% active LTPA | 34.1 | 54.9 | 37.2 | 53.8 | 37.9 | 54.6 | 43.7 | 57.6 | 47.8 | 60.6 |
% Active commuting | 13.2 | 18.5 | 12.9 | 19.4 | 16.7 | 17.0 | 18.8 | 18.6 | 28.3 | 16.0 |
% Sedentary behavior | 19.9 | 17.5 | 21.5 | 22.9 | 19.8 | 21.5 | 18.6 | 31.9 | 31.3 | 31.5 |
Mean Age | 53.8 | 69.7 | 43.8 | 59.7 | 33.8 | 49.9 | 24.1 | 40.2 | 14.2 | 30.2 |
% Women | 53.7 | 55.9 | 52.2 | 52.9 | 54.3 | 56.4 | 54.0 | 55.0 | 50.2 | 52.9 |
Mean years of schooling | 11.6 | 12.1 | 12.9 | 13.3 | 13.2 | 13.7 | 13.3 | 14.1 | 8.9 | 14.6 |
Mean household incomea | 53.7 | 55.1 | 57.3 | 75.5 | 51.7 | 87.4 | 46.9 | 89.5 | 54.0 | 84.7 |
Mean BMI | 26.7 | 27.4 | 26.0 | 27.8 | 25.2 | 27.6 | 24.4 | 27.2 | 21.1 | 26.4 |
Attritionb | ||||||||||
 % Drop-out | 18.7 | – | 22.4 | – | 29.0 | – | 36.3 | – | 40.8 | – |
 % Dead | 13.0 | – | 5.1 | – | 2.1 | – | 1.3 | – | 0.7 | – |