Other measures
Health-related behaviour was assessed, including smoking status, self-rated health, physical activity at work, self-rated physical activity level, and height and weight to determine BMI. Four questions about fruit and vegetable consumption, soft drink and breakfast cereal
consumption were used from the NSW Health Survey,22 as well as socio-demographics such as age, gender, education, ethnicity and occupation. Participants were then classified into three different 0occupational groups:
• nurses and doctors;
• allied health and other professionals; and
• administrative services and non-professional support services. Questions were included at the end of the follow-up questionnaire for the process evaluation