Table 2.
Disease prevalence studies for comparison
| Study | Date | Type of study | Age | Population | % Prevalence |
|---|---|---|---|---|---|
| RA | |||||
| U.S. Minnesota [29] | 1950–1974 | record review | > 15 | U.S. | female = 1.3 male = 0.6 both = 1.2 |
| Jacobson [17] | 1965–1996 | literature review | > 16 | U.S., Canada, Europe | 0.86 |
| JRA/JIA | |||||
| Kiessling [54] | 1980–1988 | record review | ≤ 16 | German | 0.020 |
| Von Koskull [55] | 1995 | doctor reported | ≤ 16 | German | 0.015 |
| Andersson [56] | 1993 | Pop’n-based; epidemiological | all ages | Sweden | 0.056 |
| Hypothyroidism | |||||
| National Health and Nutrition Examination [57] | 1988–1994 | survey | ≥ 12 | U.S. (C 39.2%; H 28.2%; AA 28%; Oth 4.3%) | 4.6 |
| Colorado [58] | 1995 | health fair | > 18 | U.S. | 9.5 |
| HUNT [59] | 1995–1997 | questionnaire | > 19 | Norway | female = 4.8 male = 0.9 |
| IDDM | |||||
| Forouhi [60] | 2001 | Pop’n-based; epidemiological | all ages | England | 0.3 |
| Jacobson [17] | 1965–1996 | literature review | < 20 | U.S., Canada, Europe | 0.2 |
| AA | |||||
| Minnesota [61] | 1975–1989 | Retrospective pop’n- based; descriptive | all ages | U.S. | 0.1–0.2 |
| First Nat’l Health and Nutrition Examination Survey [62] | 1971–1974 | physician survey and exam | all ages | U.S. | 2.0 |
C = Caucasian H = Hispanic AA = African American Oth = Other