|TIDieR checklist item||NHS DPP intervention specification|
|What||The primary focus of the NHS DPP is to prevent Type 2 diabetes and aimed at achieving three core goals:|
• Weight loss, or the maintenance of a healthy weight;
• Achievement of UK dietary recommendations related to fibre, fruit and vegetables, oily fish, saturated fat, salt and free sugars; and
• Achievement of the England Chief Medical Officer’s (CMO) physical activity recommendations.
Goal setting and self-regulation techniques can be used to support users.
Family or peer support is accommodated where this would be helpful to a service user
|Who delivered||Health professionals or other suitably trained and competent individuals.|
|How||Group sessions, with a maximum of 20 people in each group, delivered face-to-face. Individual sessions (either in person or remotely) may also be included to enhance delivery. Alternative approach (e.g., online delivery) is also possible for remote communities that are unable to attend regular face-to-face sessions.|
|Where||Sessions offered at a range of times, days and venues in order to maximise access.|
|When and How much||A minimum of 9 months’ duration;|
At least 13 sessions, spread across a minimum total of 16 h’ contact time;
Each session must last between 1 and 2 h.
Follow up every 3 months for 2 years.
|Tailoring||Goals tailored to suit individual service user requirements for physical activity, weight management and dietary changes.|
|Fidelity||Fidelity to core components should be reported using quality assurance frameworks embedded within data systems and implementation of the intervention. Systems should monitor and maintain the quality through routine checks on intervention delivery.|