TABLE 2

Demographic Characteristics of Children Aged 0–18 Years in KPSC on January 1, 2019 and 2020

2019 (N = 987 544)2020 (N = 992 971)Standardized Difference
Age, n (%)
 0–23 mo87 947 (8.9)88 969 (9.0)0.0025
 2–6 y242 625 (24.6)244 432 (24.6)
 7–12 y317 352 (32.1)318 874 (32.1)
 13–18 y339 620 (34.4)340 696 (34.3)
Sex, n (%)
 Female483 088 (48.9)485 610 (48.9)0.0003
 Male504 456 (51.1)507 361 (51.1)
Race and/or ethnicity, n (%)
 Non-Hispanic white243 325 (24.6)240 380 (24.2)0.0552
 Non-Hispanic Black73 918 (7.5)72 136 (7.3)
 Hispanic483 830 (49.0)477 248 (48.1)
 Non-Hispanic Asian American98 945 (10.0)99 073 (10.0)
 Other87 526 (8.9)104 134 (10.5)
  • —, not applicable.