3560 - OPCS Surveys of Psychiatric Morbidity:Private Household Survey, 1993 The Regional Health Authority is represented by the variable REGION 1 = Northern 2 = Yorkshire 3 = Trent 4 = East Anglia 5 = North West Thames 6 = North East Thames 7 = South East Thames 8 = South West Thames 9 = Wessex 10 = Oxford 11 = South Western 12 = West Midlands 13 = Mersey 14 = North Western 15 = Wales 16 = Scotland