Table 2.

Perforation rates by race and ORs from mutually adjusted logistic regression model, pre- and post-Hurricane Katrina in hurricane high- and low-impact counties

	Total	High impact				Low impact
		Prehurricane		Posthurricane		Prehurricane		Posthurricane
	N %	N %	OR (95% CI)	N %	OR (95% CI)	N %	OR (95% CI)	N %	OR (95% CI)
Total	1297	90	NA	111	NA	473	NA	619	NA
	40.02	35.71		39.64		41.24		39.83
Age, y
≤10	551	34	1.31 (0.74–2.33)	53	1.64 (0.97–2.78)	205	1.48 (1.15–1.89)	255	1.19 (0.96–1.48)
	44.36	40.96		47.32		47.24		41.9
>10	746	56	1.00	58	1.00	268	1.00	364	1.00
	37.32	33.14		34.52		37.59		38.48
Race
African American	582	47	2.16 (1.23–3.80)	51	2.46 (1.41–4.28)	204	1.46 (1.14–1.87)	279	1.71 (1.38–2.12)
	46.8	43.93		49.51		46.36		47.2
Other	56	6	1.82 (0.60–5.57)	12	1.65 (0.70–3.85)	18	2.43 (1.15–5.18)	20	1.25 (0.69–2.26)
	45.2	40.00		41.38		60		40.8
White	593	31	1.00	37	1.00	255	1.00	287	1.00
	34.5	26.96		28.91		36.83		34.4
Sex
Male	807	52	0.97 (0.56–1.69)	76	1.99 (1.16–3.42)	309	1.31 (1.02–1.68)	367	1.02 (0.82–1.26)
	41.92	35.86		44.97		44.08		40.5
Female	490	38	1.00	35	1.00	164	1.00	252	1.00
	37.23	35.51		31.53		36.77		38.9

CI, confidence interval; OR, odds ratio.