Lifestyle programmes evaluated in studies in this review
| Intensive trial-based lifestyle programmes | |||||
| Clinical trial on which intervention is based | Included studies in this review | Number of sessions | Length of intervention | Staff delivering programme | Group or individual |
| US Diabetes Prevention Program (USDPP) | 47, 48, 49, 50, 51, 28, 63, 58 | 16 core sessions, monthly follow-up | 2.8 years | Exercise physiologists, dieticians, case managers | Predominantly individual |
| USDPP and Diabetes Prevention Program Outcomes Study | 40, 57, 29, 61 | Years 1–3: 16 core sessions, monthly follow-up Year 4: 16-session group programme Years 5–10: quarterly 1-hour group sessions, two additional ‘BOOST’ sessions per year for participants originally randomised to lifestyle group | 10 years | Exercise physiologists, dieticians, case managers | Individual and group |
| Finnish DPS lifestyle programme | 46 | Year 1: seven visits Year 2 onwards: four visits per annum YMCA gym membership to enable two supervised exercise sessions per week | 5 years | Dietician | Individual dietician visits, group exercise sessions |
| 52 | Year 1: seven visits Year 2 onwards: four visits per annum Supervised circuit-type training | 6 years | Nutritionist | Individual visits, group exercise sessions | |
| 55 | Weekly visits for 1 month, monthly for a further 3 months, quarterly thereafter | As long as participant has impaired glucose tolerance | Dietician, exercise physiologist | Individual | |
| Indian Diabetes Prevention Programme | 64 | Individual sessions twice a year, monthly phone calls | 3 years | Dieticians, social workers and helpers | Individual |
| Da Qing Lifestyle Program | 62 | Individual counselling by physicians or group counselling in nine sessions/year | 6 years | Physicians | Individual and group |
| DE-PLAN-CAT/PREDICE | 44 | 4×90 min teaching sessions Reinforced with telephone calls, text messages, letters and interviews every 6–8 weeks | 4.2 years | Doctors and nurses | Individual or group |
| Translational community-based lifestyle programmes | |||||
| Community-based translations of USDPP | 60 | 16 core sessions in community setting, monthly follow-up | 3 years | Diabetologists and dieticians | NR |
| 53 | Nationwide programme Year 1: 16 core sessions, postcore sessions every six months Year 2: eight maintenance sessions Year 3: 1–2 sessions | 3 years | Lifestyle coaches in years 1 and 2, any healthcare provider thereafter | Group | |
| 41 | 12 sessions | 12–14-week intervention, 1-year follow-up | Health professionals, lay workers | Group | |
| Hypothetical lifestyle programme | 56 | Eight core sessions Follow-up: quarterly sessions, monthly calls or emails, newsletter, quarterly journal | 5 years | Prevention managers | Group |
| UEA-IFG | 42 | Four core education sessions and group exercise sessions Peer support groups Telephone peer support from volunteers | 7 months | Physiotherapists, diabetes prevention facilitators, volunteers (people with T2DM for >2 years) | |
| Kalmar Metabolic Syndrome Program | 43 | NR | 1 year | NR | NR |
NR, Not reported; YMCA, The Young Men’s Christian Association, a worldwide organisation providing local community services.