"That said, there are signs that momentum could be slowing, House prices, for example, have slowed markedly in recent months and this is likely to be weighing heavily on households in the region," he said.
Stephens said the Bay of Plenty, Gisborne/Hawkes Bay, Wellington and Southland had enjoyed an extended run of strong economic growth, but may now be showing signs of weakness.
"The only exception was Otago, where confidence is very high and lifted this quarter."
"Despite a deterioration, households in regions with a large rural backbone continue to be more confident about the future than their metropolitan counterparts, he said
The survey was conducted from June 1 to June 10.
Household economic confidence ranked by region
(June 2019 quarter compared to March 2019 quarter):
Otago: 45 %, up by 5%
Nelson/Marlborough/West Coast: 30%, up by 5%
Waikato: 29%, down by 5%
Southland: 27%, down by 9%
Gisborne/Hawkes Bay: 26%, down by 21%.
Taranaki/Manawatu-Whanganui: 19%, up by 9%
Bay of Plenty: 19%, down by 30%
Canterbury: 15%, down by 3%
Northland: 9%, down by 11%
Auckland: 3%, up by 13%
Source: Westpac-McDermott Miller Regional Economic Confidence Survey