I don't have an answer to that specific question, but what I can say is the biggest piece of household debt is typically a household mortgage. OSFI has put in place a stress test—borrowers have to pass a stress test to qualify for a mortgage—to deal with exactly that issue, to ensure that people are able to manage their debt in the instance they face an increase in their interest rate.
On May 9th, 2018. See this statement in context.