Characteristic	Total isolates*	No (%) ≥1 resistance	OR (95% CI†)	p-value‡
PATHOGEN FACTORS
Serovar
Enteritidis	72	4 (5.6%)	–	0.008
Typhimurium	38	8 (21.1%)	–
Other	85	18 (21.2%)	–
Outbreak associated
Yes	7	3 (42.9%)	–	0.06
No	39	4 (10.3%)	–
DEMOGRAPHIC FACTORS
Residence
Urban	84	14 (16.7%)	1.1 (0.53-2.51)	0.72
Rural	108	16 (14.8%)	1.0
Age in years
0–10	44	7 (15.9%)	1.3 (0.35-4.97)	0.75
>10–59	122	19 (15.6%)	1.3 (0.41-4.10)	0.79
>59	32	4 (12.5%)	1.0
Sex
Male	104	17 (16.3%)	1.0	0.51
Female	92	12 (13.0%)	0.8 (0.34–1.71)
Race
Caucasian	125	19 (15.2%)	–	0.62
Other	44	5 (11.4%)	–
Antibiotic prescription rates by county
High	39	4 (10.3%)	–	0.46
Low	153	26 (16.9%)	–
EPIDEMIOLOGICAL AND OTHER FACTORS
Length of hospital stay
No hospitalization	123	17 (13.8%)	1.0
1–4 days	36	5 (13.9%)	–	1.0
≥5 days	23	6 (26.1%)	2.2 (0.76-6.37)	0.14
Season
Fall	42	12 (28.6%)	3.5 (1.36-8.80)	0.0067
Winter	22	2 (9.1%)		1.0
Spring	37	6 (16.2%)	1.7 (0.57-5.03)	0.35
Summer	97	10 (10.3%)	1.0
Domestic travel in the past month
Yes	46	9 (19.6%)	1.7 (0.69-4.22)	0.25
No	120	15 (12.5%)	1.0
Animal contact
Yes	95	11 (11.6%)	0.6 (0.23-1.44)	0.24
No	60	11 (18.3%)	1.0
Chicken consumption
Yes	111	14 (12.6%)	0.7 (0.25–1.98)	0.50
No	87	6 (17.1%)	1.0
Water at home
Any municipal	103	14 (13.6%)	1.0	0.53
Any well	25	5 (20.0%)	1.6 (0.51-4.92)	0.52
Only bottled	22	4 (18.2%)	1.4 (0.42-4.79)