Table 9.

Occupant behaviours and risk of indoor mould/mildew/fungi concentrations.

Categories	Data Before 2002	Data After 2003	Risk Factors for Residential Indoor Mould/Mildew/Fungi	Level of Association
Occupant behaviours
Ventilation	x		Windows left open [67]	Y *
		x	Occupant unaware of their behaviours with condensation [39]	PY
		x	Occupant reluctant to open windows and doors due to energy costs [39]	PY
	x		Infrequent use of opening windows [40], infrequent natural ventilation [67]	Y *
	x		Lack of opening windows [40]	Y *
Cleaning		x	Unclean plastic seals on a dishwasher doors [71]	Y *
	x		Failure to remove indoor mould growth [40]	Y *
	x		Homes cleaned less [83], vacuuming > 1 week ago [67]	Y *
Pets	x		Presence of 1 cat or presence of 1 dog [67]	Y *

Notes: PY = Perceived association, Y = Positive association reported, Y * = Significant association (p < 0.05).