Table 1.

Opt-IN factorial design with 32 conditions^*

Intervention Target	Individual		Environment
Combination	Coaching Calls	Texts	Meal Replacement	PCP Reports	Buddy Training
1	12	No	No	Yes	No
2	12	No	Yes	Yes	Yes
3	12	Yes	No	Yes	Yes
4	12	Yes	Yes	Yes	No
5	12	No	No	No	Yes
6	12	No	Yes	No	No
7	12	Yes	No	No	No
8	12	Yes	Yes	No	Yes
9	24	No	No	Yes	No
10	24	No	Yes	Yes	Yes
11	24	Yes	No	Yes	Yes
12	24	Yes	Yes	Yes	No
13	24	No	No	No	Yes
14	24	No	Yes	No	No
15	24	Yes	No	No	No
16	24	Yes	Yes	No	Yes
17	12	No	No	No	No
18	12	No	Yes	No	Yes
19	12	Yes	No	No	Yes
20	12	Yes	Yes	No	No
21	12	No	No	Yes	Yes
22	12	No	Yes	Yes	No
23	12	Yes	No	Yes	No
24	12	Yes	Yes	Yes	Yes
25	24	No	No	No	No
26	24	No	Yes	No	Yes
27	24	Yes	No	No	Yes
28	24	Yes	Yes	No	No
29	24	No	No	Yes	Yes
30	24	No	Yes	Yes	No
31	24	Yes	No	Yes	No
32	24	Yes	Yes	Yes	Yes

^*Adapted from Pellegrini et al (8, 18)