Table 1 Average per capita cost by study group over 2Â years
|  | Control group (N = 507) | Intervention group (N = 500) |
|---|---|---|
Direct medical costs | ||
 Screening | ||
  IDRS | 0.1 | 0.1 |
  OGTT | 4.1 | 4.1 |
 Intervention | ||
  Group sessions | ||
   Introductory sessions | 0 | 3.5 |
   DPES | 0 | 2.1 |
   Peer group sessions | 0 | 7.1 |
  Training of peer leaders and LRPs | 0 | 2.8 |
  Resource materials | 0.8 | 5.3 |
  Community activities | 0 | 0 |
  Overheads | 0 | 3.3 |
  Subtotal | 0.8 | 24.2 |
 Healthcare use | ||
  Outpatient visits | 62.3 | 50.0 |
  Inpatient days | 47.5 | 50.5 |
  Medications | 186.8 | 174.8 |
  Subtotal | 296.6 | 275.2 |
 Total cost from a health system perspective | 301.6 | 303.6 |
Direct non-medical costs | ||
 Transport, food, and accommodation costs while seeking healthcare | 12.7 | 12.2 |
 Travel time to attend group sessions | 0 | 2.1 |
 Time spent attending group sessions | 0 | 4.1 |
 Subtotal | 12.7 | 18.4 |
Indirect costs (productivity loss due to illness) | 47.2 | 45.8 |
 Total cost from a societal perspective | 361.5 | 367.8 |