TABLE 2.

Logistic regression fits for risk of spontaneous abortion

	Ignoring MCP-1 errors			Accounting for MCP-1 errors
Variable	Beta (SE)	OR (95% CI)	p-value	Beta (SE)	OR (95% CI)	p-value
Intercept	−1.565 (0.372)	-	< 0.001	−1.581 (0.374)	-	< 0.001
MCP-1 (Δ 0.1 ng/mL)	0.012 (0.024)	1.012 (0.966, 1.060)	0.62	0.046 (0.082)	1.047 (0.891, 1.230)	0.58
Mother’s age	0.037 (0.013)	1.037 (1.011, 1.064)	0.005	0.036 (0.013)	1.037 (1.011, 1.064)	0.006
Non-white race	0.560 (0.175)	1.751 (1.242, 2.470)	0.001	0.566 (0.176)	1.761 (1.247, 2.488)	0.001
Current smoking	0.338 (0.162)	1.402 (1.021, 1.926)	0.04	0.338 (0.162)	1.402 (1.021, 1.926)	0.04

CI, confidence interval; MCP-1, monocyte chemotactic protein-1; OR, odds ratio; SE, standard error.