Table 4.

Reported oil spill exposure and miscarriage as outcome of pregnancy, limited to those with both a pre- and post-oil spill pregnancy, reported oil spill exposure as a predictor of pregnancy outcomes occurring prior to and after the oil spill (n=633 women, 2011 pregnancies)

	unadjusted				adjusteda
	Pregnancy occurred pre-oil spill		Pregnancy occurred post-oil spill		Pregnancy occurred pre-oil spill		Pregnancy occurred post-oil spill
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
any exposure	2.00	1.29–3.10	2.15	1.27–3.64	1.64	1.06–2.54	1.98	1.15–3.41
income	2.01	1.33–3.04	1.92	1.14–3.23	1.80	1.18–2.74	1.65	0.98–2.76
contact with oil	1.41	0.87–2.30	1.40	0.73–2.66	1.29	0.79–2.12	1.10	0.56–2.16
trauma	0.93	0.42–2.05	1.36	0.57–3.23	0.76	0.35–1.66	1.27	0.55–2.92
coast	2.08	1.37–3.15	2.06	1.21–3.50	1.81	1.19–2.75	1.73	0.98–3.03
litigation	1.40	0.89–2.21	1.34	0.74–2.44	1.58	1.01–2.47	1.40	0.76–2.56
contact with oil
low	1.00		1.00		1.00		1.00
medium	1.26	0.69–2.30	1.60	0.77–3.30	1.20	0.68–2.12	1.25	0.57–2.72
high	1.70	0.84–3.42	1.05	0.32–3.45	1.45	0.67–3.13	0.85	0.25–2.89
total oil spill exposure
low	1.00		1.00		1.00		1.00
medium-low	1.80	1.08–3.00	1.60	0.82–3.11	1.72	1.02–2.90	1.46	0.73–2.92
medium-high	2.67	1.53–4.68	3.08	1.65–5.75	2.70	1.56–4.68	2.56	1.38–4.74
high	2.04	1.04–4.01	1.68	0.67–4.19	1.65	0.83–3.31	1.32	0.54–3.24

^aadjusted for age, gravidity, weight gain during pregnancy, BMI, race, income, education. In all cases, reference group is those without the specified type of exposure; those unexposed in one analysis might be exposed in another.