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Table 2 Sociodemographic characteristics by behavior pattern, 2012

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

Characteristic

Behavior pattern

Test statistic

 

B(n = 111)

mB(n = 242)

M(n = 31)

mA(n = 107)

A(n = 15)

( P-value)*

Age (year)

19.60 ± 1.06

19.66 ± 1.14

19.81 ± 1.33

19.48 ± 1.20

19.80 ± 1.42

0.77(0.545)

BM I(kg/m2)

20.21 ± 1.88

20.39 ± 2.74

21.18 ± 3.12

19.91 ± 2.18

19.69 ± 2.12

1.99(0.094)

Gender (male, %)

43(38.7)

129(53.3)

17(54.8)

49(45.8)

8(53.3)

7.42(0.115)

Major (medicine, %)

57(51.4)

156(64.5)

19(61.3)

74(69.2)

8(53.3)

8.78(0.067)

Sports (yes, %)

72(64.9)

174(71.9)

20(64.5)

71(66.4)

9(60.0)

2.93(0.570)

Club activities (yes, %)

65(58.6)

157(64.9)

20(64.5)

58(54.2)

9(60.0)

4.05(0.399)

Only child (yes, %)

57(51.4)

91(37.6)

7(22.6)

47(43.9)

7(46.7)

10.95(0.027)

Smoke (yes, %)

2(1.8)

7(2.9)

1(3.2)

5(4.7)

1(6.7)

- (0.492)

Drink (yes, %)

1(0.9)

11(4.5)

0(0.0)

3(2.8)

3(20.0)

- (0.017)

Annual per-capita income, Yuan

     

- (0.895)

<2000

12(10.8)

27(11.2)

6(19.4)

12(11.2)

3(20.0)

 

2000 ~ 10000

32(28.8)

62(25.6)

9(29.0)

27(25.2)

2(13.3)

 

10000 ~ 30000

31(27.9)

77(31.8)

7(22.6)

32(29.9)

7(46.7)

 

30000 ~ 50000

16(14.4)

37(15.3)

5(16.1)

19(17.8)

0(0.00)

 

> 50000

20(18.0)

39(16.1)

4(12.9)

17(15.9)

3(20.0)

 
  1. *. P value from F test (age, BMI), Chi_squared test (gender, major, sports, club activities, only child), Fisher’s exact test (smoke, drink, and income).