Cohort | ||||
---|---|---|---|---|
2002 | 2012 | p-value | ||
Sex | ||||
Male | % | 94 | 91 | 0.063 |
Female | % | 6 | 9 | |
Age group (years) | ||||
20–30 | % | 82 | 67 | < 0.001 |
31–40 | % | 14 | 19 | |
41- | % | 4 | 14 | |
BMI | ||||
Mean (SD) | 24.6 (2.9) | 25.0 (2.3) | 0.013 | |
Estimated workload pervious occupation | ||||
Light/easy | % | 73 | 46 | < 0.001 |
Hard/heavy | % | 27 | 54 |