Table 2.

Age-adjusted IR per 100,000 person-years and 95% CI of full disability retirement as a result of hip OA among 30- to 60-year-old men and women by occupational group, 2005–2013.

OccupationsMen, n = 574,617Women, n = 561,037IRR*95% CI
No. EventsIRm95% CINo. EventsIRw95% CI
Managers1973–1613104–281.430.71–2.89
Professionals2642–81731–90.750.41–1.38
Teaching professionals631–122563–142.000.82–4.88
Physical and engineering science technicians52138–22782–280.620.28–1.35
Environmental officers and nurses11248–7850148–270.580.30–1.12
Finance and sales associate professionals, and administrative secretaries50127–2265117–190.920.63–1.33
Office clerks26178–4162128–210.710.45–1.12
Customer service clerks018125–30
Service workers512815–533133729–471.320.98–1.78
Shop workers242210–53612817–501.270.79–2.04
Agricultural and fishery workers1354935–70805737–931.160.88–1.53
Construction workers, electricians, and plumbers2085643–753112–810.200.06–0.61
Metal and machinery workers1943728–504173–930.460.17–1.24
Craft workers333518–75163012–790.860.47–1.56
Chemical, wood, and metal processing workers382514–47185424–1352.161.23–3.78
Machine operators and assemblers542615–46543924–651.501.03–2.19
Professional drivers1413928–56146527–1621.670.96–2.89
Building caretakers, cleaners, assistant nurses, and kitchen workers564326–751945844–791.351.00–1.82
Unskilled transport, construction, and manufacturing workers864529–75183919–840.870.52–1.44
All11802522–2810322220–260.880.81–0.96
  • * IRR calculated as IRw/IRm. IR: incidence rate; OA: osteoarthritis; IRR: IR ratio.