| Variable |  
   Definition |  
   Mean |  
   Std. Dev. |  
   Min |  
   Max |  
  
 
   
   | Inpatient |  
   Inpatient stay in the last 12 months;1 Yes, 0 - No |  
   0.056 |  
   0.229 |  
   0 |  
   1 |  
  
 
   
   | Inpatient |  
   Number of inpatient stay in the last 12 months. |  
   0.074 |  
   0.384 |  
   0 |  
   14 |  
  
 
   
   | Age |  
   Age in years |  
   39.27 |  
   13.61 |  
   18 |  
   97 |  
  
 
   
   | Agesq |  
   Age square |  
   1727.86 |  
   1172.00 |  
   324 |  
   9409 |  
  
 
   
   | Male |  
   1 if gender is male, 0 female |  
   0.542 |  
   0.498 |  
   0 |  
   1 |  
  
 
   
   | No_edu |  
   Has no formal education |  
    |  
    |  
    |  
    |  
  
 
   
   | Primary |  
   1 if primary, 0 otherwise |  
   0.280 |  
   0.449 |  
   0 |  
   1 |  
  
 
   
   | Secondary |  
   1 if secondary, 0 otherwise |  
   0.579 |  
   0.494 |  
   0 |  
   1 |  
  
 
   
   | Tertiary |  
   1 if tertiary, 0 otherwise |  
   0.082 |  
   0.275 |  
   0 |  
   1 |  
  
 
   
   | Married |  
   1 if married, 0 otherwise |  
   0.746 |  
   0.436 |  
   0 |  
   1 |  
  
 
   
   | Size |  
   Number of household member |  
   4.739 |  
   2.410 |  
   1 |  
   19 |  
  
 
   
   | Chronic |  
   Suffering from chronic illness(es); 1 Yes, 0 No |  
   0.223 |  
   0.416 |  
   0 |  
   1 |  
  
 
   
   | Smoker |  
   A smoker;1 Yes, 0 No |  
   0.288 |  
   0.453 |  
   0 |  
   1 |  
  
 
   
   | Insurance |  
   Own medical insurance;1 Yes, 0 No |  
   0.206 |  
   0.404 |  
   0 |  
   1 |  
  
 
   
   | Income |  
   Log (1+total income) |  
   4.829 |  
   3.137 |  
   0 |  
   10.309 |  
  
 
   
   | Malay |  
   1 if Malay, 0 otherwise |  
   0.642 |  
   0.479 |  
   0 |  
   1 |  
  
 
   
   | Distance |  
   Distance to private hospital (km) |  
   46.807 |  
   77.383 |  
   0 |  
   750 |  
  
 
   
   | Urban |  
   1 if lives in urban, 0 rural |  
   0.544 |  
   0.498 |  
   0 |  
   1 |