TABLE 2.

Bivariate risk for CP associated with hospital diagnoses of maternal obesity.

	CP per 1,000	RR	95% CI	P value
Prenatal diagnosisa
Obesity of pregnancy	4.3	3.04	1.45 – 6.38	0.002
Unspecified obesity	5.9	4.17	2.31 – 7.52	<0.001
Morbid obesity	8.1	5.76	2.75 – 12.05	<0.001
Any of the above	5.5	3.88	2.58 – 5.84	<0.001
No obesity diagnosis	1.4	1.00		Reference
Perinatal diagnosisb
Obesity of pregnancy	1.3	0.90	0.69 – 1.18	0.44
Unspecified obesity	2.2	1.57	1.13– 2.18	0.01
Morbid obesity	3.2	2.25	1.49 – 3.38	<0.001
Any of the above	1.7	1.22	1.01 – 1.47	0.04
No obesity diagnosis	1.4	1.00		Reference
Prenatal or perinatal diagnosisc
Obesity of pregnancy	1.3	0.95	0.74 – 1.23	0.71
Unspecified obesity	2.5	1.75	1.30 – 2.35	<0.001
Morbid obesity	3.8	2.70	1.89 – 3.86	<0.001
Any of the above	1.8	1.30	1.09 – 1.55	0.004
No obesity diagnosis	1.4	1.00		Reference

^aIncludes any diagnosis given during any hospitalization in the 12 months prior to the birth hospitalization.

^bIncludes any diagnosis given during the birth hospitalization.

^cIncludes any diagnosis given during any hospitalization in the 12 months prior to and including the birth hospitalization.