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Table 1 The injury prevalence of study sample by characteristics from log-linear model

From: The regional differences in prevalence, medical expenditures and risk factors for injury in Taiwanese teenagers

  

Injury

Variables

Categories

N

Yes

%

Adjusted residual

Significance

95%CI

Main variable

       

Area

Offshore

177

61

34.5

1.1

28.18

40.82

 

Mountain

220

90

40.9

3.4 *

33.61

48.19

 

Taiwan

2752

819

29.8

-3.3*

5.81

53.79

Control Variables

Age

12~14

637

144

22.6

-5.0*

12.04

33.16

 

15~17

882

246

27.9

-2.2*

14.58

41.22

 

18~21

1630

580

35.6

6.0*

16.27

54.93

Gender

male

1606

558

34.7

-4.9*

15.62

53.78

 

female

1543

412

26.7

4.9*

9.32

44.08

Education

junior

1075

277

25.8

-4.4*

11.45

40.15

 

senior

1404

493

35.1

4.7*

17.22

52.98

 

college

670

200

29.9

-0.6

18.05

41.75

Income (NTD)

<30,000

625

189

30.2

-0.4

18.72

41.68

 

3~49,999

774

232

30.0

-0.6

17.25

42.75

 

5~69,999

839

271

32.3

1.1

18.76

45.84

 

7~99,999

480

155

32.3

0.8

22.05

42.55

 

>100,000

429

123

28.7

-1.0

19.33

38.07

Risk behaviors

None

2494

684

27.4

-8.0*

5.13

49.67

 

one

396

170

42.9

5.6*

33.05

52.75

 

two or more

259

116

44.8

5.1*

36.78

52.79

Seatbelt

Yes

1780

575

32.3

2.1*

12.57

52.03

 

No

1369

395

28.9

-2.1*

12.09

45.62

Helmet

Yes

2641

838

31.7

2.6*

7.81

55.65

 

No

508

132

26.0

-2.6*

16.10

35.87

  1. Rate based on NHI of OPD records; N: total sample in NHIS;
  2. Income: household income in NTD (32NTD 1USD) *: adjusted residual >| 1.96|