The objectives are to : ( 1 ) measure non-communicable diseases profile , including hypertension and diabetes , health behaviours , weight management and psychological distress of church members ; ( 2 ) measure the reduction of blood glucose and blood pressure levels after the intervention ; ( 3 ) prevent the development of impaired glucose tolerance ; ( 4 ) compare health behaviours , weight management and psychological distress , blood glucose and blood pressure levels between intervention and control groups , and within group during 6 , 12 , 24 and 36 months during and post intervention .