A total of six medical doctors and a clinical assistants handled the questionnaires which were interviewer administered. The respondents and when needed, accompanying persons were interviewed. The response rate was 100% as all respondents completed the study. Anthropometric measurements referred to the body mass index which was derived from the formula weight(kg)/ height(m2).The body weight was measured to the nearest 0.1kg and the height to the nearest centimeter using a stadiometre made up of a standard weight scale and a standard graduated height scale. The glycosylated haemoglobin values were determined by using fasted capillary samples tested with Biorad equipment for assessing HbA1c.