TABLE 6.

Adjusted regression model using stepwise selection at the follow-up visit^a

Outcome variable	Adjusted model Ab		Adjusted model Bc
	OR (95% CI)	P valued	OR (95% CI)	P valued
HH size (no. of people)
1–2	7.51 (0.87–64.67)	0.07	8.80 (0.82–94.13)	0.07
3	0.61 (0.07–5.11)	0.64	0.85 (0.10–7.58)	0.88
4	1.09 (0.08–14.84)	0.95	1.03 (0.06–18.67)	0.98
≥5	Ref	Ref	Ref	Ref
Domestic pets	1.37 (0.90–2.08)	0.13	1.41 (0.88–2.27)	0.15
Season
Summer	Ref	Ref	Ref	Ref
Fall	7.40 (0.90–61.04)	0.06	11.78 (0.92–150.75)	0.06
Winter	1.21 (0.07–21.51)	0.89	1.09 (0.04–29.51)	0.96
Spring	5.40 (0.31–95.52)	0.31	5.19 (0.31–87.11)	0.24
Unwanted pests	0.10 (0.01–1.21)	0.07	0.11 (0.01–1.58)	0.10
No EPA cleaner	0.08 (0.01–0.62)	0.02*	0.05 (0.004–0.67)	0.03*
HH Clinda use			0.09 (0.01–0.92)	0.04*

^aData are for 56 isolates. HH, household; Clinda, clindamycin; Ref, reference group.

^bModel A evaluates any use of antimicrobial drugs by human or domestic animal occupants.

^cModel B evaluates mupirocin, clindamycin, and trimethoprim-sulfamethoxazole use as individual variables.

^dSignificance, indicated in bold, is as follows: *, P ≤ 0.05.