Table 1.

Attributes and levels used in the DCE

Attribute	Levels
1. Way of taking part	Talking in person (e.g., at a community center)
	Talking online (e.g., app/Zoom)
	Online content only
	Printed information only
2. Size of support session	Group-based
	Only me
3. People (or instructor) are like me	Yes
	No
4. Amount of weight lost	2–4 kg (4–9 lb)
	5–9 kg (11 lb to 1 stone, 6 lb)
	10–15 kg (1 stone, 8 lb to 2 stone, 5 lb)
	>15 kg (2 stone, 5 lb)
5. Frequency of visits	One-off
	Twice per week
	Once per week
	Twice per month
	Once per month
6. Length of weight loss plan	<1 month
	1–3 months
	3–6 months
	6–12 months
	>12 months
7. Type of diet	Calorie counting
	All meal replacement products (TDR)
	Some meal replacement products
	Food group–based
	Healthy eating
	Intermittent fasting