TABLE 3

Initial Properties of Whiplash Patients Based on Stratification

Participants in Primary StudiesResponders to Questionnaire-study at 12-14 y Follow-up
Risk StratanSex Female/Male RatioAge at Injury (Mean±SD)Initial Marital Status Married/Single/OtherEducation Level at InjurynSex Female/Male RatioAge (Mean±SD)Marital status Married/Single/OtherEducation White Collar
11050.48 (0.38, 0.58)35.86±11.170.74/0.18/0.08 (0.64, 0.81) (0.11, 0.29) (0.03, 0.18)0.57/0.43 (0.46, 0.66) (0.33, 0.54)490.49 (0.34, 0.64)34.63±10.250.71/0.22/0.07 (0.56, 0.82) (0.11, 0.41) (0.01, 0.32)0.52/0.48 (0.37, 0.67) (0.32, 0.64)
22810.59 (0.51, 0.63)34.65±11.170.73/0.18/0.10 (0.67, 0.77) (0.14, 0.23) (0.06, 0.14)0.52/0.48 (0.46, 0.58) (0.42, 0.54)1030.64 (0.54, 0.73)34.14±11.220.70/0.19/0.11 (0.60, 0.77) (0.12, 0.30) (0.06, 0.22)0.46/0.54 (0.36, 0.56) (0.44, 0.64)
31380.62 (0.52, 0.69)35.12±11.920.74/0.17/0.09 (0.66, 0.81) (0.11, 0.26) (0.05, 0.17)0.60/0.40 (0.51, 0.68) (0.31, 0.49)570.59 (0.45, 0.71)37.31±11.660.78/0.17/0.05 (0.65, 0.86) (0.09, 0.33) (0.01, 0.26)0.56/0.44 (0.42, 0.69) (0.30, 0.58)
41200.68 (0.59, 0.76)34.10±10.540.60/0.24/0.16 (0.51, 0.69) (0.17, 0.34) (0.10, 0.25)0.51/0.49 (0.42, 0.61) (0.39, 0.58)380.74 (0.57, 0.85)34.62±10.790.54/0.27/0.19 (0.37, 0.70) (0.14, 0.48) (0.08, 0.41)0.46/0.54 (0.29, 0.64) (0.37, 0.70)
5750.65 (0.53, 0.75)37.69±12.310.59/0.28/0.13 (0.47, 0.69) (0.18, 0.41) (0.07, 0.27)0.54/0.46 (0.42, 0.66) (0.34, 0.58)230.78 (0.56, 0.90)37.69±10.980.70/0.26/0.04 (0.47, 0.85) (0.10, 0.55) (0.00, 0.78)0.43/0.57 (0.23, 0.67) (0.34, 0.76)
6980.76 (0.66, 0.83)32.95±10.760.72/0.18/0.10 (0.62, 0.80) (0.11, 0.29) (0.05, 0.20)0.70/0.30 (0.60, 0.78) (0.21, 0.41)360.81 (0.64, 0.90)33.67±10.100.78/0.17/0.06 (0.61, 0.88) (0.06, 0.40) (0.01, 0.42)0.69/0.31 (0.51, 0.82) (0.17, 0.52)
7620.66 (0.53, 0.77)36.50±11.750.75/0.19/0.06 (0.63, 0.84) (0.10, 0.34) (0.02, 0.24)0.70/0.30 (0.57, 0.80) (0.19, 0.45)150.53 (0.26, 0.78)38.03±13.000.73/0.13/0.13 (0.45, 0.89) (0.02, 0.66) (0.02, 0.66)0.73/0.27 (0.45, 0.89) (0.08, 0.64)
Total8810.62 (0.59, 0.65)34.99±11.330.70/0.19/0.10 (0.66, 0.73) (0.17, 0.22) (0.08, 0.12)0.54/0.46 (0.50, 0.57) (0.42, 0.49)3220.64 (0.58, 0.69)35.22±11.060.71/0.19/0.09(0.66, 0.75) (0.15, 0.24) (0.06, 0.14)0.50/0.50 (0.45, 0.56) (0.44, 0.55)