| 
      
        |  | Thoughts of death |  
        | Total | None or infrequent thoughts | % | Frequent thoughts of death | % | P* Value |  
        | Alcohol drinking habit | Never drank alcohol | 944 | 800 | 84.75 | 144 | 15.25 | 0.27 |  
        |  | Ever drank alcohol | 42 | 33 | 78.57 | 9 | 21.43 |  |  
        | Being on addictive drugs | No | 835 | 717 | 85.87 | 118 | 14.13 | 0.003 |  
        |  | Yes | 41 | 27 | 65.85 | 14 | 34.15 |  |  
        | *P value of Chi square test. |  |