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Table 2 Description of the selected variables over five waves

From: The effects of smoking, regular drinking, and unhealthy weight on health care utilization in China

 

Wave 1

Wave 2

Wave 3

Wave 4

Wave 5

2010

2012

2014

2016

2018

Outpatient care utilization (%)

18.37

20.90

24.19

24.03

27.01

Inpatient care utilization (%)

7.33

8.60

10.95

12.94

15.05

Smoking status (%)

 Never smokers

62.70

60.50

59.52

58.93

58.52

 Current smokers

31.14

30.58

29.87

28.58

29.26

 Former smokers

6.16

8.92

10.61

12.49

12.22

 Regular drinking (%)

16.77

16.99

17.04

16.46

16.88

Body mass index (%)

 Underweight

7.63

7.88

6.81

6.66

5.53

 Healthy weight

49.73

46.70

43.85

42.43

40.50

 Overweight

35.24

36.26

39.10

39.42

41.84

 Obese

7.41

9.16

10.24

11.50

12.13

 Observations

12,652

12,652

12,652

12,652

12,652