Table 1.

Overview of performance and change objectives for mothers addressed in the intervention blog and classified by theoretical domains.

Performance objectives	Theoretical domains
	Knowledge	Beliefs about consequences	Beliefs about capability	Goals
1. Mothers have Vegetables and Fruits and/or Milk and Alternatives with every meal	Mothers define the concept of the Canadian Eat Well Plate [32].	Mothers express the benefits of consuming Vegetables and Fruits and Milk and Alternatives at every meal.	Mothers express confidence to overcome barriers associated with consuming Vegetables and Fruits and Milk and Alternatives at every meal.	Mothers set the goal of consuming Vegetables and Fruits and Milk and Alternatives at every meal.
2. Mothers plan adequately Vegetables and Fruits and Milk and Alternatives purchase and meal preparation	Mothers list tips to allow efficient planning of everyday meals.	Mothers express positive attitudes towards meal planning and meal preparation.	Mothers express confidence to overcome barriers associated with meal planning and meal preparation.	Mothers set the goal of using a written grocery list to buy all necessary food to prepare planned weekly meals.
3. Mothers make healthy food choices at the grocery store	Mothers understand the nutrition information provided on Canadian food labels.	Mothers express the benefits of reading food labels to make healthier food choices.	Mothers express confidence to overcome barriers associated with efficient use of food labels while purchasing food.	Mothers set the goal of selecting healthier foods at the grocery store based on food labels.
4. Mothers know economic options to increase daily intake of Vegetables and Fruits and Milk and Alternatives	Mothers list economic substitutions to fresh Vegetables and Fruits.	Mothers express the benefits of cooking meals at home with unprocessed ingredients such as Vegetables and Fruits and Milk and Alternatives food groups.	Mothers express confidence to overcome barriers associated with food purchases and home cooking.	Mothers set the goal of cooking a weekly meal with seasonal Vegetables and Fruits. Mothers set the goal of cooking restaurant-inspired dishes or takeout favorites at home.
5. Mothers increase daily intake of Vegetables and Fruits and Milk and Alternatives of the family	Mothers list tasks that can be performed by children in the kitchen.	Mothers express positive attitudes towards involving children in the planning and preparation of meals.	Mothers express confidence to overcome barriers associated with involving children in the kitchen.	Mothers set the goal of making lunches for oneself and children based on the Canadian Eat Well Plate. Mothers set the goal of involving children in the planning and preparation of a weekly meal.
6. Mothers make healthy substitutions in recipes	Mothers list a variety of techniques to cook Vegetables and Fruits. Mothers identify ingredient substitutions to make recipes healthier.	Mothers express the benefits of varying the techniques to cook Vegetables and Fruits, and using ingredients substitutions.	Mothers express confidence to overcome barriers associated with ingredients substitutions.	Mothers set the goal of cooking Vegetables and Fruits with a cooking technique that preserves the nutritional values of food (eg, steaming). Mothers set the goal of adjusting a recipe to make it healthier.