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Table 4 The odds ratios for inheriting parent's occupation class

From: Association between occupation and knee and hip replacement due to osteoarthritis: a case-control study

  Father has same occupation Mother has same occupation
Managers and professionals
   Men 3.1 (1.4 to 6.6) 2.4 (1.2 to 5.1)
   Women 3.8 (2.0 to 7.3) 3.0 (1.9 to 5.0)
Technicians and clerks
   Men 2.3 (1.2 to 4.4) 1.6 (0.9 to 2.8)
   Women 1.3 (0.8 to 2.2) 1.2 (0.8 to 1.8)
Service and shop workers
   Men 2.3 (0.6 to 8.2) 1.6 (0.9 to 2.8)
   Women 1.7 (0.7 to 4.1) 1.0 (0.7 to 1.6)
Farmers
   Men 17.0 (7.7 to 37.7) 8.9 (5.0 to 15.8)
   Women 17.5 (6.6 to 46.1) 11.4 (6.1 to 21.2)
Fishermen
   Men 5.7 (3.0 to 10.6) N/A
   Women N/A N/A
Craft workers
   Men 1.8 (1.1 to 2.9) 2.6 (1.5 to 4.3)
   Women 0.7 (0.3 to 1.9) 2.2 (1.2 to 4.3)
Operators and unskilled labour
   Men 1.5 (0.7 to 3.1) 1.7 (0.9 to 3.2)
   Women 0.8 (0.3 to 2.5) 1.8 (0.9 to 3.6)
Housewives
   Men N/A N/A
   Women N/A 2.1 (0.9 to 5.1)
  1. Numbers are odds ratio (95% confidence interval). N/A: not applicable.