Table 1.
Average annual age-adjusted and age-specific ID hospitalization rates of and rate ratios between AI/AN and non-AI/AN persons in Alaska, by sex and age, 2010-2011a
| AI/AN Persons | Non-AI/AN Persons | ||||
|---|---|---|---|---|---|
| Characteristic | No. (%) | Rate per 100 000 Populationc | No. (%)d | Rate per 100 000 Populationc | Rate Ratio (95% CI)b |
| Total | 6501 (100) | 2697 | 7397 (100) | 730 | 3.7 (3.5-4.1) |
| Year | |||||
| 2010 | 3224 (50) | 2685 | 3515 (48) | 707 | 3.8 (3.5-4.5) |
| 2011 | 3277 (50) | 2709 | 3882 (52) | 753 | 3.6 (3.3-4.1) |
| Sex | |||||
| Male | 3179 (49) | 2719 | 3693 (50) | 734 | 3.7 (3.6-4.2) |
| Female | 3322 (51) | 2688 | 3704 (50) | 734 | 3.7 (3.4-4.1) |
| Age, y | |||||
| <1e | 1042 (16) | 15 999 | 468 (6) | 2970 | 5.4 (4.8-6.0) |
| 1-4 | 664 (10) | 2734 | 407 (6) | 648 | 4.2 (3.7-4.8) |
| 5-9 | 184 (3) | 664 | 157 (2) | 210 | 3.2 (2.6-3.9) |
| 10-19 | 457 (7) | 851 | 430 (6) | 284 | 3.0 (2.6-3.4) |
| 20-29 | 685 (11) | 1469 | 632 (9) | 359 | 4.1 (3.7-4.6) |
| 30-39 | 469 (7) | 1433 | 547 (7) | 350 | 4.1 (3.6-4.6) |
| 40-49 | 626 (10) | 1892 | 788 (11) | 468 | 4.0 (3.6-4.5) |
| 50-59 | 784 (12) | 2611 | 1257 (17) | 680 | 3.8 (3.5-4.2) |
| 60-69 | 537 (8) | 3285 | 1047 (14) | 998 | 3.3 (3.0-3.7) |
| 70-79 | 610 (9) | 8126 | 794 (11) | 2076 | 3.9 (3.5-4.4) |
| ≥80 | 443 (7) | 13 299 | 868 (12) | 4614 | 2.9 (2.6-3.2) |
Abbreviations: AI/AN, American Indian/Alaska Native; CI, confidence interval; ID, infectious disease.
bID hospitalization: AI/AN to non-AI/AN. All characteristics are significant at P < .001.
cAverage annual ID hospitalization rates adjusted for age with the direct method, based on the 2000 US population as standard.15
dPercentages may not total to 100 because of rounding.
eHospitalizations for newborn infants with discharge diagnosis code for normal delivery were excluded.