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Table 4 Odds ratios (95% CI) for unintentional injuries among Chinese undergraduates according to the CH component

From: Type A personality, hostility, time urgency and unintentional injuries among Chinese undergraduates: a matched case–control study

Model controlling for: CH score OR (95% CI) for CH category according to quintile
  OR (95% CI) P Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5 P
    ≤9(107) 10-12(143) 13(60) 14-16(121) 17 + (75)  
- 1.082(1.024 ~ 1.144) 0.005 1 0.82(0.49 ~ 1.37) 1.19(0.63 ~ 2.24) 1.51(0.89 ~ 2.59) 2.54(1.32 ~ 4.91) 0.006
Sports 1.080(1.021 ~ 1.143) 0.007 1 0.77(0.46 ~ 1.29) 1.25(0.65 ~ 2.37) 1.43(0.83 ~ 2.47) 2.52(1.29 ~ 4.91) 0.006
No. of siblings 1.082(1.023 ~ 1.144) 0.006 1 0.82(0.50 ~ 1.36) 1.19(0.63 ~ 2.24) 1.51(0.89 ~ 2.59) 2.55(1.32 ~ 4.95) 0.007
Income 1.080(1.021 ~ 1.142) 0.007 1 0.81(0.49 ~ 1.35) 1.17(0.62 ~ 2.21) 1.49(0.87 ~ 2.56) 2.47(1.28 ~ 4.79) 0.007
Drink 1.080(1.021 ~ 1.143) 0.007 1 0.82(0.49 ~ 1.37) 1.24(0.65 ~ 2.34) 1.50(0.87 ~ 2.57) 2.56(1.31 ~ 4.98) 0.007
Model* 1.073(1.013 ~ 1.137) 0.016 1 0.75(0.44 ~ 1.26) 1.28(0.67 ~ 2.45) 1.38(0.80 ~ 2.40) 2.40(1.21 ~ 4.76) 0.009
Model# 1.090(1.026 ~ 1.158) 0.005 1 0.86(0.50 ~ 1.49) 1.48(0.75 ~ 2.93) 1.59(0.89 ~ 2.81) 2.90(1.42 ~ 5.93) 0.006
  1. *: A model adjusting for sports, only child, income, and drinking habits.
  2. #: A full model adjusting for sports, only child, income, drinking habits, smoking habits, BMI, club activity.