Baseline | Wave 2 | Wave 3 | Wave 4 | Wave 5 | |
---|---|---|---|---|---|
1987/1988 | 1990/1992 | 1995/1997 | 2000/2004 | 2007/2008 | |
Men | |||||
1970s cohort | |||||
Number in cohort at each wave | 737 | 637 | 419 | 384 | 424 |
Average age (years) | 15.7 | 18.6 | 24.8 | 30.1 | 36.7 |
Mean BMI (kg/m2) | 20.3 | 22.5 | 24.7 | 26.3 | 27.9 |
Mean WHtR | 0.44 | 0.45 | 0.48 | 0.51 | 0.55 |
% of cohort manual childhood social class | 39.5 | 36.4 | 35.2 | 33.6 | 35.2 |
1950s cohort | |||||
Number in cohort at each wave | 656 | 549 | 456 | 446 | 457 |
Average age (years) | 36.2 | 40.5 | 45.3 | 50.2 | 57.1 |
Mean BMI (kg/m2) | 25.1 | 26.0 | 26.4 | 27.7 | 28.6 |
Mean WHtR | 0.51 | 0.52 | 0.53 | 0.55 | 0.58 |
% of cohort manual childhood social class | 70.91 | 71.2 | 70.4 | 68.9 | 67.8 |
1930s cohort | |||||
Number in cohort at each wave | 702 | 580 | 450 | 368 | 279 |
Average age (years) | 56.2 | 59.6 | 64.3 | 69.1 | 76.1 |
Mean BMI (kg/m2) | 25.9 | 26.2 | 26.7 | 27.2 | 27.3 |
Mean WHtR | 0.55 | 0.55 | 0.56 | 0.57 | 0.59 |
% of cohort manual childhood social class | 84.4 | 83.8 | 81.4 | 80.4 | 80.4 |
Women | |||||
1970s cohort | |||||
Number in cohort at each wave | 778 | 705 | 496 | 459 | 518 |
Average age (years) | 15.8 | 18.6 | 24.9 | 30.2 | 36.7 |
Mean BMI (kg/m2) | 21.1 | 22.8 | 24.3 | 26.3 | 27.6 |
Mean WHtR | 0.43 | 0.44 | 0.46 | 0.49 | 0.54 |
% of cohort manual childhood social class | 40.7 | 38.6 | 34.4 | 34.5 | 35.0 |
1950s cohort | |||||
Number in cohort at each wave | 788 | 676 | 570 | 534 | 542 |
Average age (years) | 36.2 | 40.5 | 45.2 | 50.1 | 57.0 |
Mean BMI (kg/m2) | 24.3 | 25.5 | 26.4 | 27.6 | 28.4 |
Mean WHtR | 0.47 | 0.49 | 0.50 | 0.53 | 0.58 |
% of cohort manual childhood social class | 68.4 | 67.6 | 66.5 | 64.5 | 64.8 |
1930s cohort | |||||
Number in cohort at each wave | 849 | 686 | 580 | 470 | 384 |
Average age (years) | 56.3 | 59.7 | 64.5 | 69.2 | 76.3 |
Mean BMI (kg/m2) | 26.0 | 26.5 | 26.9 | 27.6 | 27.9 |
Mean WHtR | 0.51 | 0.52 | 0.53 | 0.55 | 0.59 |
% of cohort manual childhood social class | 77.5 | 76.9 | 75.1 | 74.3 | 72.3 |
BMI, body mass index; WHtR, waist-to-height ratio.