Table 1.

List of exclusion criteria.

Exclusion Criteria	Description of Criteria
Cat age	Cats aged <12 months
Outdoor access	Cats spending >50% of their time outdoors
Cat’s housing	Cats kept away from their home during the previous month (e.g., hospitalisation, cattery, shelter, etc.)
Number of cats	Household with >2 cats
Cat’s health	Existing current disease diagnosed by a veterinarian
Cat’s environment	Household without a scratching post Household without a litter box
Other products	Current or recent (in the past month) use of pheromone or calming products (nutraceuticals, pharmaceuticals, environmental products, etc.)
Caregivers’ background	-Caregivers belonging to a research panel dedicated to a specific brand or a specific product manufacturer -Caregiver working in one of the following areas: the pharmaceutical industry, a veterinary practice or clinic, a pet store or shop, manufacture or distribution of pet food or pet care products, or a survey/market research institute