Table 2.
Age-Adjusted and Age- and Prevalence-Adjusted Hospitalization Rates for Hypertension, California Adults 18 Years or Oldera , b
| County Cluster/County/Subcounty | Hypertension | |||
|---|---|---|---|---|
|
| ||||
| Age-Adjusted Rate | Age- and Prevalence–Adjusted Rate | |||
|
| ||||
| Rate (95% CI) | Group | Rate (95% CI) | Group | |
| California | 25.1 (24.4-25.8) | NA | 81.5 (78.6-84.3) | NA |
| Alameda | 21.2 (18.3-24.2) | 4 | 73.2 (59.2-87.2) | 4 |
| Butte | 25.0 (17.6-32.5) | 4 | 76.0 (45.5-106.6) | 4 |
| Contra Costa | 15.3 (12.3-18.2) | 2 | 45.1 (34.2-56.1) | 2 |
| Del Norte, Siskiyou, Lassen, Trinity, Modoc, Plumas, Sierra | 10.0 (4.9-15.2) | 1 | 34.5c (12.3-56.7) | 1 |
| El Dorado | 19.9 (12.1-27.6) | 3 | 82.6c (34.4-130.8) | 4 |
| Fresno | 17.9 (14.1-21.7) | 3 | 58.0 (43.1-72.8) | 3 |
| Humboldt | 8.6c (2.7-14.5) | 1 | 39.3c (3.7-74.9) | 1 |
| Imperial | 28.1 (17.6-38.6) | 4 | 86.0 (46.4-125.7) | 4 |
| Kern | 25.0 (20.1-30.0) | 4 | 70.8 (53.7-87.9) | 4 |
| Kings | 33.0 (19.0-47.0) | 5 | 90.8 (47.0-134.6) | 4 |
| Lake | 10.7 (3.4-18.0) | 1 | 35.0c (4.2-65.8) | 1 |
| Los Angeles SPA 1 – Antelope Valley | 43.0 (33.1-52.9) | 5 | 139.8 (100.3-179.3) | 5 |
| Los Angeles SPA 2 – San Fernando | 32.4 (29.1-35.7) | 5 | 100.6 (87.1-114.1) | 5 |
| Los Angeles SPA 3 – San Gabriel Valley | 29.9 (26.6-33.2) | 4 | 94.3 (79.5-109.0) | 5 |
| Los Angeles SPA 4 – Metro | 71.8 (64.1-79.4) | 5 | 219.9 (189.3-250.4) | 5 |
| Los Angeles SPA 5 – West Area | 13.5 (10.4-16.7) | 2 | 45.7 (30.5-60.9) | 2 |
| Los Angeles SPA 6 – South | 75.8 (66.0-85.6) | 5 | 201.6 (169.0-234.1) | 5 |
| Los Angeles SPA 7 – East Area | 35.3 (30.7-39.9) | 5 | 111.9c (93.1-130.7) | 5 |
| Los Angeles SPA 8 – South Bay | 30.9 (27.3-34.5) | 5 | 98.5c (83.5-113.5) | 5 |
| Madera | 15.3 (7.4-23.2) | 2 | 42.3c (15.1-69.6) | 1 |
| Marin | 11.1 (6.5-15.7) | 1 | 48.5 (13.6-83.4) | 2 |
| Mendocino | 6.4c (0.5-12.4) | 1 | 18.7 (0.0-42.4) | 1 |
| Merced | 18.5 (11.2-25.8) | 3 | 58.0c (29.6-86.3) | 3 |
| Monterey | 20.5 (15.1-26.0) | 4 | 77.6c (48.2-107.0) | 4 |
| Napa | 13.1c (6.1-20.2) | 2 | 43.5 (10.2-76.8) | 2 |
| Nevada | 17.4c (9.1-25.7) | 3 | 78.2c (7.0-149.4) | 4 |
| Orange | 25.2 (22.7-27.7) | 4 | 85.6 (73.3-97.8) | 4 |
| Placer | 10.9 (6.7-15.1) | 1 | 37.8 (17.6-58.1) | 1 |
| Riverside | 27.3 (24.3-30.3) | 4 | 88.2c (75.0-101.4) | 4 |
| Sacramento | 16.7 (14.0-19.4) | 3 | 62.7 (47.1-78.3) | 3 |
| San Benito | 35.4c (14.4-56.3) | 5 | 95.4 (27.4-163.4) | 5 |
| San Bernardino | 40.1 (35.8-44.3) | 5 | 117.4 (102.3-132.5) | 5 |
| San Diego Region 1--North Coastal | 13.4 (9.5-17.3) | 2 | 40.2 (25.7-54.7) | 1 |
| San Diego Region 2--North Central | 14.7 (10.9-18.6) | 2 | 49.2 (32.8-65.6) | 2 |
| San Diego Region 3--Central | 34.0 (26.1-41.9) | 5 | 98.2 (70.2-126.3) | 5 |
| San Diego Region 4--South | 20.0 (14.2-25.7) | 4 | 65.0 (41.0-89.1) | 3 |
| San Diego Region 5--East | 14.8 (10.6-19.0) | 2 | 50.5c (31.1-69.9) | 2 |
| San Diego Region 6--North Inland | 8.3 (5.2-11.4) | 1 | 28.4 (15.5-41.3) | 1 |
| San Francisco | 16.9 (13.6-20.2) | 3 | 63.8 (46.6-81.0) | 3 |
| San Joaquin | 34.7 (28.5-41.0) | 5 | 93.4 (73.9-112.9) | 5 |
| San Luis Obispo | 5.7 (2.5-8.9) | 1 | 28.2 (3.0-53.3) | 1 |
| San Mateo | 15.5 (11.9-19.1) | 2 | 43.2 (29.9-56.5) | 2 |
| Santa Barbara | 11.7 (7.8-15.7) | 1 | 43.3 (23.2-63.5) | 2 |
| Santa Clara | 14.2 (12.0-16.5) | 2 | 49.9 (39.5-60.2) | 2 |
| Santa Cruz | 16.0 (9.8-22.2) | 2 | 56.5 (27.5-85.5) | 3 |
| Shasta | 17.6 (10.8-24.3) | 3 | 56.6 (28.5-84.7) | 3 |
| Solano | 17.3 (12.2-22.3) | 3 | 51.5c (33.2-69.8) | 2 |
| Sonoma | 7.8 (4.9-10.7) | 1 | 30.1 (13.6-46.6) | 1 |
| Stanislaus | 19.6 (14.5-24.7) | 3 | 56.4c (39.8-73.1) | 3 |
| Sutter, Yuba | 24.4 (14.9-33.9) | 4 | 68.9 (36.4-101.5) | 4 |
| Tehama, Glenn, Colusa | 17.1 (8.2-26.0) | 3 | 57.9c (20.2-95.6) | 3 |
| Tulare | 17.5 (12.1-22.9) | 3 | 51.5 (33.1-70.0) | 2 |
| Tuolumne, Calaveras, Amador, Inyo, Mariposa, Mono, Alpine | 14.3 (8.3-20.3) | 2 | 55.7 (20.8-90.7) | 3 |
| Ventura | 20.4 (16.4-24.4) | 4 | 65.9 (49.0-82.8) | 3 |
| Yolo | 9.5 (3.9-15.1) | 1 | 38.5 (12.9-64.2) | 1 |
Abbreviations: CHIS, California Health Interview Survey; OSHPD, Office of Statewide Health Planning and Development; CI, confidence interval; NA, not applicable.
a
Rates are per 100,000 people; Group 1 = lowest rate, Group 5 = highest rate.
b
Data were pooled from the California Health Interview Survey for 2003, 2005, and 2007 and averaged from OSHPD discharge files for 2004, 2005, and 2006.
c
Rates are unstable estimates with a coefficient of variance of more than 30%.