Characteristics and diabetes prevalence* for American Indian and Alaska Native adults aged 18 years and older in the Indian Health Service active clinical population, for selected years
| Characteristic | FY 2006 | FY 2009 | FY 2013 | FY 2017 | ||||
| Population % (n=729 470) | Diabetes prevalence* % (95% CI) | Population % (n=897 710) | Diabetes prevalence* % (95% CI) | Population % (n=974 418) | Diabetes prevalence* % (95% CI) | Population % (n=1 034 814) | Diabetes prevalence* % (95% CI) | |
| Overall prevalence | NA | 14.4 (13.9 to 15.0) | NA | 14.7 (14.1 to 15.2) | NA | 15.4 (14.8 to 16.0) | NA | 14.6 (14.1 to 15.2) |
| Age group, years | ||||||||
| 18–44 | 63.7 | 4.4 (4.2 to 4.6) | 61.6 | 4.5 (4.3 to 4.8) | 59.7 | 4.7 (4.5 to 5.0) | 57.7 | 4.3 (4.1 to 4.5) |
| 45–64 | 27.1 | 22.1 (21.2 to 23.0) | 28.7 | 22.0 (21.1 to 22.8) | 29.5 | 23.1 (22.2 to 24.0) | 29.8 | 22.0 (21.2 to 22.9) |
| 65–74 | 5.8 | 34.7 (33.6 to 35.8) | 6.1 | 35.7 (34.6 to 36.8) | 6.8 | 37.0 (35.8 to 38.2) | 8.0 | 34.7 (33.5 to 35.9) |
| 75+ | 3.4 | 29.5 (28.5 to 30.4) | 3.6 | 31.0 (30.2 to 31.9) | 4.0 | 33.4 (32.3 to 34.5) | 4.6 | 32.5 (31.4 to 33.7) |
| Sex | ||||||||
| Female | 53.8 | 14.8 (14.2 to 15.4) | 53.6 | 14.9 (14.3 to 15.5) | 53.6 | 15.6 (14.9 to 16.2) | 53.6 | 14.7 (14.1 to 15.3) |
| Male | 46.2 | 13.9 (13.5 to 14.4) | 46.4 | 14.4 (13.9 to 14.9) | 46.4 | 15.3 (14.7 to 15.8) | 46.5 | 14.5 (14.0 to 15.0) |
| IHS region† | ||||||||
| Alaska | 7.7 | 5.3 (4.9 to 5.8) | 9.1 | 5.6 (5.2 to 6.1) | 8.2 | 6.1 (5.7 to 6.5) | 10.8 | 5.8 (5.5 to 6.1) |
| California | 5.3 | 11.3 (10.6 to 12.1) | 5.1 | 11.5 (10.8 to 12.2) | 5.8 | 11.1 (10.4 to 11.7) | 5.2 | 10.4 (9.8 to 11.0) |
| Northwest | 6.2 | 10.3 (9.7 to 10.9) | 7.3 | 11.3 (10.6 to 11.9) | 7.4 | 11.3 (10.6 to 12.1) | 7.3 | 10.2 (9.5 to 10.9) |
| Southwest subregion 1 | 23.0 | 14.6 (14.0 to 15.1) | 21.0 | 15.2 (14.7 to 15.7) | 20.1 | 16.5 (16.0 to 17.1) | 19.3 | 16.9 (16.4 to 17.4) |
| Southwest subregion 2 | 13.2 | 21.3 (19.2 to 23.5) | 11.4 | 22.1 (20.2 to 24.0) | 11.6 | 22.7 (20.9 to 24.5) | 11.9 | 21.1 (19.6 to 22.6) |
| Southern Plains | 22.2 | 13.8 (13.2 to 14.3) | 23.8 | 14.3 (13.8 to 14.9) | 24.6 | 15.0 (14.4 to 15.6) | 25.2 | 14.8 (14.3 to 15.4) |
| Northern Plains | 13.0 | 16.4 (15.6 to 17.2) | 12.5 | 16.5 (15.7 to 17.4) | 12.3 | 17.5 (16.7 to 18.2) | 11.6 | 15.8 (15.0 to 16.5) |
| Great Lakes | 7.0 | 15.7 (14.6 to 16.8) | 6.5 | 15.4 (14.2 to 16.5) | 6.6 | 15.2 (14.0 to 16.3) | 5.3 | 13.6 (12.7 to 14.5) |
| East | 2.6 | 19.1 (16.8 to 21.4) | 3.3 | 20.9 (18.6 to 23.2) | 3.4 | 21.3 (19.1 to 23.5) | 3.4 | 20.4 (18.2 to 22.7) |
Data are from the IHS National Data Warehouse.
*Diabetes diagnosis determined by at least two encounters with a diabetes diagnosis code during the relevant year. Estimates overall and for sex and IHS region are age-adjusted.
†See online supplementary figure 1 for a map of the IHS regions.
IHS, Indian Health Service.