Table 1:

Exclusionary terms for processing problem list

Exclusion Terms Category	Matching Problems	Example
exposure	145	daily exposure to tobacco smoke
smoke (from fire)	127	toxic effect of smoke, unintentional
second-hand	62	2nd hand tobacco smoke
maternal	31	fetus and newborn affected by maternal use of tobacco
unknown	23	current smoking status unknown
drug-related	10	smokes drugs through pipe
family history	10	family history of tobacco abuse
smoke detectors	7	no smoke detectors in home