Table 1.
Outline of the blended care intervention SMARTsize
| Intervention | Name component | Timepoint | Mode of delivery | Description of content and aim | |
|---|---|---|---|---|---|
| Blended SMARTsize intervention (individual consultations with e‐health components, written information and group sessions) | Face‐to‐face intake | Week 1 | Individual counsultation by dietitian | Assessment of eligibility and explanation of (study) procedure and goals of the treatment. Patient informed consent | |
| PortionControl@Home (12 weeks) | Website* | Week 1–12 | Online tools to increase knowledge and awareness of portion sizes | (i) Change in food portions over time; (ii) Reference serving sizes; (iii) Self‐tests; (iv) Package and portion sizes; (v) Energy density; (vi) Child servings; (vii) Daily recommendation servings; (viii) Videos on selection and consumption of large food portions | |
| Self‐management book* | Week 2 | Textbook | Portion control strategies based on behaviour change techniques (e.g. monitoring, goal‐setting, action planning, coping planning) | ||
| Cooking classes* | Week 3–10 | 2 or 3 Groups sessions guided by a dietitian | Demonstrations of appropriate servings of common foods and preparation of meals lower in energy density. Peer discussions and skills training | ||
| Homescreener* | Week 8–10 | Online or in paper‐and‐pen format | Screening and feedback instrument that assists individuals to shape a home food environment that supports adequate portion control behaviour | ||
| Counselling on relapse prevention | 3–9 months | Individual counsultations by dietitian | Consultations conducted following professional expertise and usual practice of dietitian. Dietitians were encouraged to pay special attention to relapse prevention and maintaining adequate portion control behaviour | ||