OBAYA (obesity and adverse health outcomes in young adults): feasibility of a population-based multiethnic cohort study using electronic medical records

Table 2 Population demographics compared to California Census 2010

Subject (%)	KP California young adult cohort	Census 2010
Total population (n)	1,929,470	10,657,405
Sex, male (%)	42.2	51.1
Age group (%)
20.0-24.9 y	25.5	26.0
25.0-29.9 y	24.7	25.8
30.0-34.9 y	24.3	24.1
35.0-39.9 y	25.5	24.1
Race/ethnicity (%)*
Non-Hispanic white	33.1	27.6
Hispanic	44.6	34.5
Black	7.6	4.9
Asian/Pacific Islander	12.5	11.7
Others	2.1	21.4

* For the young adult cohort, information on race and ethnicity are based on administrative records among those with known race/ethnicity.

ISSN: 1478-7954