The effects of indoor environmental exposures on pediatric asthma: a discrete event simulation model

Table 1 Baseline occupant and household characteristics of a simulated population of low-income asthmatic children

Occupant characteristics	Simulated population values
Gender	50% male
Age	6-17, uniformly distributed
Race [34]	49% White
	25% African American
	15% Latino
	11% Asian
Own a gas stove[102]	89%
Use the stove for supplemental heating in winter [32]	38%, assuming that supplemental heat was turned on only on days when the 24-hour average outdoor temperature was below 32°F
Below average housekeeping (vs. average or above average housekeeping) ^a[39]	25%
Current smoker in the house[33]	34%
Among smokers, % heavy vs. light smoker ^b	50%
Housing characteristics
Apartment level (upper 4^th floor/lower 1^st floor)	50%
Leakiness category ^c I	20%
[19] II	50%
III	30%
Functioning kitchen and bathroom fan [102]	13%
Houses with holes in walls/ceiling [39]	73%

^a Housekeeping = degree of cleanliness and clutter in the apartment, based on visual inspection.
^b Heavy smoker smoked one pack per day, light smoker smoked a ½ pack per day.
^c Leaky categories based on wall infiltration rate, where category I, II, and III had infiltration values of 0.0177, 0.053, and 0.0722 in²/ft² respectively.

ISSN: 1476-069X