TABLE 3—

Adjusted Rates in Maternal Morbidities and Risk Behaviors: California; 1999, 2002, and 2005

Variable	1999, %	2002, %	2005, %	% Changea	Pb
Hypertension	5.56	5.81	6.35	14.2	≤ .001
Chronic	0.63	0.71	0.93	47.5	≤ .001
Pregnancy-related	4.36	4.70	4.91	12.7	.007
Diabetes	4.55	5.80	6.50	42.9	≤ .001
Pregestational	0.65	0.81	0.83	27.7	≤ .001
Gestational	3.96	5.01	5.71	44.2	≤ .001
Asthma	1.02	1.12	1.78	75.5	≤ .001
Thyroid disorderc	0.82	1.02	1.32	61.6	≤ .001
Obesity	0.85	0.98	1.33	56.9	≤ .001
Mental health conditions	1.72	2.06	2.85	66.1	≤ .001
Substance abuse	1.04	0.96	1.24	18.9	≤ .001
Tobacco use	1.23	1.27	1.62	31.2	≤ .001

Note. Rates adjusted for maternal age, parity, education, race/ethnicity, insurance status, prenatal care adequacy, and route of delivery.

^aPercentage of change calculated between 2005 and 1999.

^bTwo-sided t-test P values for difference in estimated slopes (2005 vs 1999) in hierarchical logistic regression model.