Table 2.
Trends in Age-Standardized Prevalence of Total, Diagnosed and Undiagnosed Diabetes and Prediabetes Among US Adults Aged 20 Years or Older by NHANES Survey Cycle, 1999–2018
| Prevalence | Survey-Weighted % (95% CI)a | P-trend | Difference, 2017–2018 vs 1999–2000 (95% CI) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999–2000 (n=1,737) |
2001–2002 (n=2,078) |
2003–2004 (n=1,874) |
2005–2006 (n=1,824) |
2007–2008 (n=2,329) |
2009–2010 (n=2,585) |
2011–2012 (n=2,287) |
2013–2014 (n=2,368) |
2015–2016 (n=2,244) |
2017–2018 (n=2,274) |
|||
| Total diabetes | 9.17 (7.39–11.3) | 11.0 (9.25–13.0) | 10.9 (9.17–12.8) | 11.3 (9.62–13.2) | 12.7 (11.3–14.4) | 12.8 (11.0–14.9) | 13.2 (10.9–15.8) | 13.6 (12.1–15.2) | 14.6 (13.0–16.3) | 14.7 (12.8–16.8) | <.001 | 5.52 (2.69–8.35) |
| Diagnosed | 6.15 (4.65–8.10) | 7.09 (5.73–8.74) | 7.59 (6.21–9.24) | 7.89 (6.62–9.39) | 8.63 (7.39–10.1) | 8.47 (6.99–10.2) | 9.19 (7.33–11.5) | 9.90 (8.52–11.5) | 10.6 (9.13–12.3) | 11.0 (9.23–13.0) | <.001 | 4.79 (2.27–7.32) |
| Undiagnosed | 3.01 (2.26–4.0) | 3.88 (3.13–4.79) | 3.28 (2.46–4.37) | 3.38 (2.54–4.49) | 4.10 (3.41–4.92) | 4.33 (3.53–5.29) | 3.96 (2.97–5.28) | 3.66 (3.02–4.43) | 3.93 (3.17–4.87) | 3.73 (2.99–4.65) | 0.19 | 0.72 (−0.47, 1.91) |
| Prediabetes | 29.5 (25.4–33.9) | 35.0 (31.8–38.3) | 32.5 (28.5–36.7) | 37.8 (33.9–41.8) | 49.0 (46.3–51.8) | 45.5 (43.0–47.9) | 45.2 (41.8–48.7) | 40.7 (37.1–44.4) | 44.3 (40.8–47.8) | 48.3 (44.8–51.9) | <.001 | 18.8 (13.3–24.4) |
Abbreviation: NHANES, National Health and Nutrition Examination Survey.
a
Data were weighted to be nationally representative. Overall age-adjusted and by other stratums were age adjusted to 2010 US census population using age groups 20–44 years, 45–64 years, and ≥65 years.