Table 1.
Demographic characteristics and the Charlson comorbidity index of Kaiser Permanente Southern California members in June 2019 and June 2020.
| Demographic characteristics and CCIa | June 2019 (n=4,475,819) | June 2020 (n=4,566,641) | |||||
| Age (years), (%) |
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0-17 | 20.8 | 20.9 |
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18-44 | 38.1 | 39.1 |
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45-64 | 26.2 | 26.6 |
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≥65 | 14.9 | 15.4 |
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| Females, (%) | 51.5 | 50.6 |
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| Race and Ethnicity, (%) |
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Hispanic | 40.9 | 41.3 |
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Non-Hispanic White | 31.4 | 31.0 |
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Non-Hispanic Black | 7.8 | 7.8 |
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Non-Hispanic Asian or Pacific Islander | 11.2 | 11.3 |
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Non-Hispanic Native American or Alaskan | 0.2 | 0.2 |
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Non-Hispanic Multiple Races, others, or unknown | 8.4 | 10.4 |
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| Mean CCI (SD) | 0.48 (0.96) | 0.45 (0.93) | |||||
aCCI: Charlson comorbidity index calculated for individuals aged ≥18 years with minimum 1 year of enrollment; n=3,055,756 in 2019 and n=3,115,974 in 2020.