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Table 2 Telephone Intervention Overview: Call Frequency and Content

From: Living Well with Diabetes: a randomized controlled trial of a telephone-delivered intervention for maintenance of weight loss, physical activity and glycaemic control in adults with type 2 diabetes

Intervention stage & call frequency Purpose Content
Phase 1:
Month 1
4 weekly calls
Building rapport Program introduction/explanation
Participant overarching program goals
Feedback on baseline assessment
Review & goal-setting:
   Weight loss: benefits, energy balance, realistic targets, portion sizes, recommended serves, reducing fat intake
Behaviour change skills: self-monitoring, goal-setting
Begin use of scale, pedometer and food diary
Phase 2:
(Months 2-6)
11 fortnightly calls
Behaviour change
Weight loss
Review & goal-setting:
   Physical activity: planned activity, incidental activity, sitting time, strength training
   Diet: reducing energy intake (choosing lower energy foods, swapping higher energy foods for lower energy foods, decreasing intake of high energy foods/drinks), eating habits, food labels, modifying recipes
Behaviour change skills: rewards, behavioural cues, barriers and supports
Progress review at 3 months
Phase 3:
(Months 7-18)
12 monthly calls
Maintenance of behaviour change & weight loss Feedback on 6-, 12- & 18-month assessments
Progress review at 9 & 15 months
Review & goal-setting:
   Role of physical activity in maintaining weight loss
   Social-environmental support
   Developing lifelong habits