Table 1.

Summary of outcome measures, data collection instruments and timepoint

Measures	Instrument	Timepoint
		Baseline	16 weeks
Demographic information	Structured questionnaire, self-reported via an online request form.	X
Primary outcome
Haemoglobin A1c (%)	Collected and assessed using the Nutripath Integrative Pathology Services HbA1c test.	X	X
Secondary outcomes
Dietary intake: food, beverage and dietary supplements	Assessed via self-reported 24-hour food recall using study-specific online questionnaire, analysis using FoodWorks professional nutrition software.	X	X
Self-efficacy	Self-reported via an online request form using the Diabetes Management Self-Efficacy Scale—Australian version.66	X	X
Weight/BMI	Self-reported weight and height, via a study-specific online request form.	X	X
Anti-diabetes medication and dosages	Self-reported, via a study-specific online request form.	X	X
Exploratory outcome
Diabetes-related comorbidities	Self-reported, via a study-specific online request form.	X	X
Process outcomes (intervention group only)
Website utilisation	Website and email usage metrics.
User engagement and experience	Self-reported using the User Engagement Scale short form54 and Honeycomb Model,55 56 via an online request form.		X
Participants’ experience	Semistructured phone interviews with up to 20 participants.		X

BMI, body mass index.