Table 4.

Odds ratios and adjusted odds ratios for demographic characteristics of patients with presumed active syphilis infection compared to true negatives

	Odds Ratios (95% CI)	P-values	Adjusted odds ratios (95% CI)	P-values
Sex
Male	3.3 (2.2, 5.1)	<0.001	3.5 (2.3, 5.3)	<0.001
Female	1.0 (ref)		1.0 (ref)
Race/ethnicity*
Non-Hispanic Black	1.0 (ref)		1.0 (ref)
Latinx	0.8 (0.3, 2.3)	0.67	0.7 (0.3, 2.2)	0.06
Other or Unknown	1.1 (0.4, 3.1)	0.91	1.0 (0.3, 2.8)	0.59
Non-Hispanic White	0.1 (0.0, 1.3)	0.07	0.1 (0.00, 1.1)	0.94
Age
17–24	0.7 (0.4, 1.4)	0.30	0.7 (0.4, 1.5)	0.39
25–29	1.3 (0.7, 2.3)	0.44	1.3 (0.7, 2.4)	0.42
30–39	1.0 (0.5, 1.8)	0.94	1.0 (0.6, 1.9)	0.93
40–49	1.2 (0.7, 2.2)	0.57	1.2 (0.7, 2.2)	0.52
50–64	1.0 (ref)		1.0 (ref)
ICD-10 codes
All STI-related	1.3 (0.7, 2.2)	0.37	1.5 (0.9, 2.3)	0.09
Not STI-related	1.0 (ref)		1.0 (ref)

^*Firth logistic regression used