2. Those who developed new diabetes (World Health Organisation (WHO) 1999 guidelines) detected on the Screening Visit fasting glucose test (such participants will be offered a confirmatory test to determine if they have diabetes with an oral glucose tolerance test) or the oral glucose tolerance test at Baseline Visit. Any individual with new diabetes will have follow up arranged with a doctor. If the confirmatory test does not show new diabetes, the participant will is eligible to re-enter the study.