TABLE 1.

Study Population Characteristics

Covariate	Study Population		Without DKA		With DKA		P
	n	%	n	%	n	%
Population size	5263	100.0	4385	83.3	878	16.7
Age, y
0–6	702	13.3	630	14.4	72	8.2	<.001
7–12	1931	36.7	1628	37.1	303	34.5
13–21	2630	50.0	2127	48.5	503	57.3
Gender
Female	2609	49.6	2133	48.6	476	54.2	.003
Male	2654	50.4	2252	51.4	402	45.8
Race/ethnicity
White	1676	31.8	1407	32.1	269	30.6	<.001
Black	506	9.6	376	8.6	130	14.8
Hispanic	2530	48.1	2113	48.2	417	47.5
American Indian	56	1.1	46	1.0	10	1.1
Asian/Pacific Islander	154	2.9	134	3.1	20	2.3
Other	228	4.3	204	4.7	24	2.7
Unknown	113	2.1	105	2.4	8	0.9
Insurance
MediCal Managed Care	2469	46.9	1982	45.2	487	55.5	<.001
MediCal No Managed Care	524	10.0	420	9.6	104	11.8
Healthy Families	618	11.7	559	12.7	59	6.7
CCS only	141	2.7	133	3.0	8	0.9
Mixed	1511	28.7	1291	29.4	220	25.1
Mental health comorbidity	1033	19.6	717	16.4	316	36.0	<.001

Percentages for population size refer to the row. All other percentages refer to the respective column. P values calculated using Pearson’s χ² test.