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