Figure 1. Flow of Participants.

BMIQ (Intellihealth Inc) is the name of the online weight management program.

^aThe most common reasons for exclusion were the body mass index was out of the inclusion range (n = 179), lost 5% or greater of body weight within last 6 months (n = 98), did not have hypertension or type 2 diabetes (n = 71), or had a severe mental health condition (n = 63).

^bAt 18 months, weight was not recorded for 44 participants in the combined intervention group, 43 participants in the online program only group, and 66 participants in the usual care group.

^cFully conditional specification multiple imputation with 25 imputations was used to estimate missing weights and other outcomes and covariates and was based on available data for 91 patient variables.