** Primary Service Classification Formats ;
** (Tataryn et al, 1994) ;
**  The primary service classification variable (primpsvc) on the hospital claim ;
**  record was used to define long-term inpatient hospital admissions to acute care ;
**  facilities for mental health disorders . No consideration was given to the coding ;
**  quality of the hospital. Each hospital admission was classified using the following format ; 

value $Primf ‘0900-0999’ = ‘3’ 
                  '6400' - '6599' = '2' 
                  '7300' - '7399' = '3' 
                   OTHER = W;
 
value $hospl      '1' = 'MHMIS INSTITUTIONS' 
                  '2' = 'PSYCH. BED' 
                  '3' = 'LONG TERM BED' 
                   W  = 'OTHER BED’;