Trial Abbreviation Reference to theory Reference to educational and behavioral terms
Reduced-Fat Diet Intervention in Individuals With Glucose Intolerance [47] AUCKLAND   Self-monitoring
Ballarat DiabetesPrevention Pilot Initiative [36] BDPPI Motivational interviewing  [37], self-efficacy, self- management  principles  
Diabetes Education & Prevention with a Lifestyle Intervention Offered at YMCA [44,45] DEPLOY   Empowerment, self esteem
Diabetes Prevention Program and Diabetes Prevention Program Outcomes Study [20-22] DPP   Empowerment strategy, motivational interviewing, self-monitoring
Diabetes Prevention Study [25,26] DPS Stages of Change Model [32]  
Da Qing Study [48,49] DQS    
Glucose Tolerance Study within the Västerbotten Intervention Programme [27] GT-VIP   Problem solving techniques, relapse prevention, self-monitoring
Healthy Living Partnership to Prevent Diabetes Study [33,34] HELP PD Social Cognitive Theory [35], the continuing care problem-solving model  
IndianDiabetesPrevention Programme [23,24] IDDP    
JapaneseDiabetesPrevention Project [51] JDPP    
Joetsu Diabetes Prevention Trial [50] JDPT    
The 6-year MalmÖ feasibility study [28] MALMÖ    
New Dietary Education Programme [46] NDE   Self management
Pre-diabetes Risk Education and Physical Activity Recommendation and Encouragement Programme Study [39,40] PREPARE Chaiken’s Dual Process Theory [43], Gollwitzer’s Implementation Intentions [41], Leventhal’s Common Sense Model [42] Social Cognitive Theory [35]  
Study on Lifestyle and Impaired Glucose Tolerance Maastricht [29,30] SLIM    
The Zensharen Study for Prenvention of Lifestyle Diseases [52] Zensharen    
Table 1: The 16 trials included in the article and the theories and terms referred to