Analyses will be conducted using Stata (Release 12; StataCorp, College Station, TX, USA). The initial analysis will describe characteristics of participants at
baseline. For feasibility assessment categorical variables
will be reported as numbers and percentages and
continuous variables as mean and standard deviation.
Generalised Linear Models [54] will be used to examine
intervention effects on the secondary outcomes. Subgroup analysis based on BMI categories will be performed for weight gain per week, and the proportion of
participants exceeding IOMguidelines.