Aggregated data on self reported exposures in the referent group to the age of 50 for different exposures in the three exposure classes
| Exposure | Low | Medium | High |
| Sitting (h) | 0–13563 | 13564–35816 | 35817–65384 |
| Standing (h) | 0–22792 | 22793–51546 | 51547–67760 |
| Heavy lifts (n) | 0–20328 | 20329–44088 | 44089–95040 |
| Work in twisted positions (h) | 0–3388 | 3389–28633 | 28634–63162 |
| Jumps or movements between different levels (n) | 0–264 | 365–9240 | 9241–55924 |
| Flights of stairs climbed (n) | 0–64680 | 64681–564960 | 564961–3353400 |
| Years with non-occupational physically demanding tasks | 0 | 1–9 | 10–45 |