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 |