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Table 1 Demographic characteristics of the studied cohort (n = 136,720)

From: Utilization patterns of Chinese medicine and Western medicine under the National Health Insurance Program in Taiwan, a population-based study from 1997 to 2003

Characteristic*

No. of subjects

%

Gender

  

   Male

68,135

49.8

   Female

68,585

50.2

Age (years)

  

   2–7

9,648

7.1

   8–14

11,933

8.7

   15–24

23,244

17.0

   25–34

26,903

19.7

   35–44

27,307

20.0

   45–54

17,273

12.6

   55–64

9,986

7.3

   ≥ 65

10,426

7.6

Socio-economic status

  

   < US$640

54,729

40.0

   US$640-1279

29,788

21.8

   ≥ US$1280

11,137

8.1

   Farmers and fishermen

21,568

15.8

   Others

19,498

14.3

Severe disease

  

   Without

132,835

97.2

   With

3,885

2.8

Region

  

   Taipei

43,392

31.7

   Northern Taiwan

18,830

13.8

   Central Taiwan

26,732

19.6

   Southern Taiwan

21,241

15.5

   Kaohsiung and Pingtung

22,848

16.7

   East Taiwan

3,677

2.7

Remote Area

  

   Mountainous regions

1,159

0.9

   Offshore islands

1,156

0.9

   General Population

134,405

98.2

  1. *Determined from 1997 prospectively.