Table 1.
Pre-intervention characteristics of the study population in each site.
| Intervention % (95% CI) |
Comparison % (95% CI) |
|
|---|---|---|
| Age (years) | ||
| Under 5 | 5.2 (5.1, 5.4) | 5.5 (5.4, 5.7) |
| 5–14 | 10.6 (10.4, 10.8) | 13.5 (13.3, 13.8) |
| 15–17 | 3.1 (3.0, 3.2) | 4.2 (4.0, 4.3) |
| 18–64 | 66.0 (65.6, 66.4) | 62.2 (61.7, 62.6) |
| 65 and over | 15.0 (14.7, 15.4) | 14.6 (14.1, 15.0 |
| Sex | ||
| Female | 53.8 (53.5, 54.0) | 52.8 (52.5, 53.1) |
| Male | 46.2 (45.9, 46.5) | 47.2 (46.9, 47.5) |
| Race | ||
| Asian | 14.2 (13.7, 14.6) | 19.3 (18.9, 19.8) |
| Black / African American | 28.2 (27.7, 28.8) | 20.2 (19.5, 20.8 |
| Hawaiian / Pacific Islander | 0.5 (0.4, 0.5) | 0.9 (0.8, 1.0 |
| Native American | 0.4 (0.3, 0.4) | 0.4 (0.4, 0.5) |
| Multiracial | 1.2 (1.1, 1.2) | 1.1 (1.0, 1.2 |
| White | 35.2 (34.7, 35.7) | 29.5 (29.0, 30.1) |
| Race not recorded | 20.4 (19.9, 20.8 | 28.5 (28.0, 29.1) |
| Hispanic Ethnicity a | 30.5 (29.9, 31.2 | 43.0 (42.2, 43.7) |
| MediCAL enrollee | 4.4 (4.2, 4.6) | 6.7 (6.4, 7.0) |
| Subsidized KPNC insurance | 1.0 (0.9, 1.1 | 1.5 (1.4, 1.7 |
| Primary language is not English b | 12.0 (11.7, 12.4) | 14.1 (13.7, 14.6) |
Includes data for 101,761 Kaiser Permanente Northern California patients between September 1, 2013 and August 31, 2014.
a
Includes data for 61,847 Kaiser Permanente Northern California with recorded Hispanic ethnicity.
b
Includes data for 100,492 Kaiser Permanente Northern California with recorded primary language.