TABLE 6.

Work Capacity 12 to 14 Years After Whiplash Injury in Risk Strata

Stratum	n	No Change in Work Ability Due to Whiplash Injury	Change in Duties at Work or Less Hours Due to Whiplash Injury	Early Retirement (Disability Pension) Due to Whiplash Injury	Other Disease or Previously Retired
1	49	0.92 (0.80, 0.98)	0.04 (0.004, 0.03)	0.02 (0.0005, 0.11)	0.02 (0.0005, 0.11)
2	103	0.92 (0.85, 0.97)	0.08 (0.03, 0.15)	0.00 (0.0, 0.04)	0.00 (0.0, 0.04)
3	60	0.78 (0.65, 0.88)	0.10 (0.04, 0.21)	0.07 (0.02, 0.16)	0.10 (0.04, 0.21)
4	38	0.61 (0.43, 0.76)	0.29 (0.15, 0.46)	0.078 (0.02, 0.21)	0.026 (0.0005, 0.11)
5	23	0.57 (0.34, 0.77)	0.30 (0.13, 0.53)	0.09 (0.01, 0.28)	0.04 (0.001, 0.22)
6	36	0.53 (0.35, 0.70)	0.36 (0.21, 0.54)	0.11 (0.03, 0.26)	0.00 (0.0, 0.097)
7	15	0.53 (0.27, 0.79)	0.33 (0.12, 0.61)	0.14 (0.02, 0.40)	0.00 (0.0, 0.22)
Total	324	0.77 (0.72, 0.82)	0.16 (0.12, 0.21)	0.049 (0.028, 0.079)	0.019 (0.007, 0.039)

Data presented as frequencies with 95% confidence intervals (binomial exact) in brackets.