Appendix A: Detailed Tables

At a glance

View appendix tables for the National Diabetes Statistics Report.

Table 1

Appendix Table 1. Age-adjusted prevalence of diagnosed, undiagnosed, and total diabetes among adults aged 18 years or older, United States, 2017–2020.

Characteristic Diagnosed diabetes
Percentage (95% CI)
Undiagnosed diabetes
Percentage (95% CI)
Total diabetes
Percentage (95% CI)
Total 10.1 (9.2–11.0) 3.1 (2.6–3.8) 13.2 (12.0–14.5)
Sex
Men 11.6 (10.3–13.0) 2.7 (2.0–3.7) 14.2 (12.7–15.9)
Women 8.8 (7.6–10.2) 3.6 (2.6–5.0) 12.4 (10.5–14.6)
Race-ethnicity
White, Non-Hispanic 8.9 (7.6–10.4) 2.3 (1.5–3.5) 11.2 (9.5–13.2)
Black, Non-Hispanic 12.4 (10.8–14.1) 4.4 (3.2–6.2) 16.8 (15.3–18.5)
Asian, Non-Hispanic 11.1 (9.7–12.6) 5.4 (3.4–8.5) 16.4 (13.7–19.6)
Hispanic 13.0 (11.4–14.9) 4.6 (3.5–5.9) 17.6 (16.0–19.3)
Education
Less than high school 14.2 (12.3–16.2) 4.8 (3.3–6.9) 19.0 (16.9–21.3)
High school 11.9 (9.3–15.2) 4.0 (3.0–5.4) 16.0 (13.0–19.4)
More than high school 8.6 (7.8–9.5) 2.5 (1.9–3.4) 11.1 (10.3–12.0)

Note: CI = confidence interval. Time period 2017–2020 covers January 2017 through March 2020 only.

Data source: 2017–March 2020 National Health and Nutrition Examination Survey.

Table 2

Appendix Table 2. Trends in age-adjusted prevalence of diagnosed, undiagnosed, and total diabetes among adults aged 18 years or older, United States, 2001–2020.

Time Period Diagnosed diabetesa
Percentage (95% CI)
Undiagnosed diabetes
Percentage (95% CI)
Total diabetesa
Percentage (95% CI)
2001–2004 7.1 (6.5–7.8) 3.2 (2.7–3.8) 10.3 (9.4–11.3)
2003–2006 7.4 (6.7–8.1) 2.8 (2.2–3.6) 10.2 (9.3–11.2)
2005–2008 7.7 (6.9–8.5) 2.9 (2.4–3.6) 10.6 (9.6–11.6)
2007–2010 7.9 (7.1–8.7) 3.2 (2.7–3.7) 11.1 (10.1–12.2)
2009–2012 8.1 (7.4–8.9) 3.2 (2.6–3.8) 11.3 (10.3–12.3)
2011–2014 8.7 (8.1–9.4) 2.7 (2.3–3.3) 11.5 (10.7–12.3)
2013–2016 9.4 (8.6–10.2) 2.6 (2.2–3.1) 12.0 (11.1–12.9)
2015–2018 9.8 (9.0–10.7) 2.9 (2.4–3.4) 12.7 (11.6–13.8)
2017–2020 10.1 (9.2–10.9) 3.1 (2.6–3.8) 13.2 (12.1–14.4)

a p-value for linear trend <0.05.

Note: CI = confidence interval. Time period 2017–2020 covers January 2017 through March 2020 only.

Data source: 2001–March 2020 National Health and Nutrition Examination Survey.

Table 3

Appendix Table 3. Age-adjusted prevalence of diagnosed diabetes by race and ethnicity, education level, family income level, metropolitan residence, and sex among adults aged 18 years or older, United States, 2019–2021.

Characteristic Total
Percentage (95% CI)
Men
Percentage (95% CI)
Women
Percentage (95% CI)
Race and Ethnicity
American Indian or Alaska Native 13.6 (13.5–13.6) 13.4 (13.3–13.4) 13.7 (13.6–13.8)
Asian, non-Hispanic, overall 9.1 (8.2–10.1) 10.6 (9.0–12.3) 7.8 (6.6–9.2)
Black, non-Hispanic 12.1 (11.3–13.0) 11.5 (10.4–12.7) 12.5 (11.4–13.6)
Hispanic, overall 11.7 (10.9–12.6) 12.2 (11.1–13.5) 11.3 (10.2–12.5)
White, non-Hispanic 6.9 (6.6–7.1) 7.7 (7.4–8.1) 6.1 (5.8–6.4)
Education
Less than high school 13.1 (12.2–14.1) 12.7 (11.4–14.1) 14.8 (12.3–14.9)
High school 9.1 (8.6–9.5) 9.6 (9.0–10.2) 8.7 (8.0–9.3)
More than high school 6.9 (6.7–7.2) 7.9 (7.5–8.2) 6.1 (5.8–6.5)
Family income to poverty ratio
Less than 100% FPL 13.1 (12.1–14.1) 12.2 (10.8–13.8) 13.6 (12.4–15.0)
100–299% FPL 10.3 (9.9–10.8) 11.0 (10.3–11.7) 6.7 (6.1–7.3)
300–499% FPL 7.7 (7.3–8.3) 8.8 (8.4–9.9) 6.7 (6.0–7.2)
500% FPL or more 5.1 (4.9–5.4) 6.3 (5.9–6.8) 3.9 (3.6–4.3)
Metropolitan residence
Metropolitan 8.1 (7.8–8.3) 8.7 (8.3–9.0) 7.6 (7.2–7.9)
Nonmetropolitan 9.5 (8.7–10.4) 10.5 (9.7–11.5) 8.6 (7.6–9.8)

Note: CI = confidence interval; FPL = federal poverty level.

Data sources: 2019–2021 National Health Interview Survey, except American Indian or Alaska Native data, which were from the Indian Health Service National Data Warehouse (2021 data only).

Table 4

Appendix Table 4. Age-adjusted incidence of diagnosed diabetes among adults aged 18 years or older, United States, 2018–2019.

Characteristic Rate per 1,000 (95% CI)
Total 5.8 (4.9–6.7)a
Sex
Men 6.2 (5.0–7.7)a
Women 5.4 (4.3–6.7)a
Metropolitan residence
Metropolitan 6.0 (5.1–7.0)
Nonmetropolitan 4.3 (2.7–6.8)
Race and Ethnicity
White, non-Hispanic 4.6 (4.1–5.2)
Black, non-Hispanic 6.8 (5.3–8.7)
Asian, non-Hispanic 3.8 (2.4–6.0)
Hispanic 6.8 (5.4–8.6)
Education
Less than high school 7.1 (5.5–9.1)
High school 6.4 (5.4–7.7)
More than high school 4.5 (3.9–5.1)

a Rate calculated using 2019 data only.

Note: CI = confidence interval.

Data source: 2018–2019 National Health Interview Survey.

Table 5

Appendix Table 5. Age-adjusted prevalence of prediabetes according to various definitions of hyperglycemiaa among adults aged 18 years or older, United States, 2017–2020.

Characteristic Definition 1
Percentage (95% CI)
Definition 2
Percentage (95% CI)
Definition 3
Percentage (95% CI)
Total 36.5 (34.2–38.8) 22.2 (20.5–24.0) 10.8 (9.7–11.9)
Age, yearsa
18–44 27.8 (24.0–32.0) 12.6 (10.7–14.8) 5.8 (4.6–7.4)
45–64 44.8 (41.7–47.9) 30.2 (26.5–34.3) 13.8 (12.0–15.9)
≥65 48.8 (44.3–53.2) 38.1 (34.5–41.8) 20.8 (17.4–24.6)
Sex
Men 41.0 (37.3–44.8) 22.7 (20.4–25.3) 11.4 (9.6–13.4)
Women 32.0 (28.9–35.2) 21.6 (18.6–25.0) 10.2 (8.3–12.4)
Race and Ethnicity
White, non-Hispanic 35.7 (32.2–39.2) 19.5 (16.6–22.8) 9.2 (7.6–11.2)
Black, non-Hispanic 38.6 (35.4–41.8) 32.8 (29.6–36.1) 13.1 (11.0–15.6)
Asian, non-Hispanic 36.8 (32.4–41.5) 27.8 (24.3–31.7) 15.4 (12.7–18.6)
Hispanic 34.6 (31.2–38.2) 22.7 (19.5–26.2) 13.2 (11.1–15.6)
Education
Less than high school 39.1 (34.3–44.2) 26.8 (23.2–30.6) 16.7 (13.4–20.6)
High school 41.9 (36.0–48.0) 23.6 (20.4–27.3) 12.4 (10.4–14.7)
More than high school 34.6 (32.4–37.0) 21.1 (19.1–23.3) 9.3 (7.8–11.2)

Note: CI = confidence interval. Time period 2017–2020 covers January 2017 through March 2020 only.

Data source: 2017–March 2020 National Health and Nutrition Examination Survey.

a Estimates are crude.

Definition 1: Any of: A1C 5.7–6.4% or fasting plasma glucose 100–125 mg/dL

Definition 2: Any of: A1C 5.7–6.4% or fasting plasma glucose 110–125 mg/dL

Definition 3: Both A1C 5.7–6.4% and fasting plasma glucose 100–125 mg/dL

Table 6

Appendix Table 6. Age-adjusted prevalence and awareness of prediabetes among adults aged 18 years or older, United States, 2017–2020.

Characteristic Prediabetesa
Percentage (95% CI)
Prediabetes awarenessb
Percentage (95% CI)
Total 36.5 (34.2–38.8) 17.4 (13.7–21.9)
Sex
Men 41.0 (37.3–44.8) 15.9 (12.6–19.9)
Women 32.0 (28.9–35.2) 19.4 (13.2–27.5)
Race-ethnicity
White, non-Hispanic 35.7 (32.2–39.2) 16.0 (10.8–22.9)
Black, non-Hispanic 38.6 (35.4–41.8) 19.7 (15.1–25.1)
Asian, non-Hispanic 36.8 (32.4–41.5) 28.8 (18.5–42.0)
Hispanic 34.6 (31.2–38.2) 19.8 (14.8–26.1)
Education
Less than high school 39.1 (34.3–44.2) 16.3 (11.3–23.0)
High school 41.9 (36.0–48.0) 16.3 (9.6–26.3)
More than high school 34.6 (32.4–37.0) 18.3 (14.4–22.9)

Note: CI = confidence interval. Time period 2017–2020 covers January 2017 through March 2020 only.

a Prediabetes was defined as fasting plasma glucose values of 100 to 125 mg/dL or A1C values of 5.7% to 6.4%.

b Prediabetes awareness was based on self-report and estimated only among adults with prediabetes.

Data source: 2017–March 2020 National Health and Nutrition Examination Survey.

Table 7

Appendix Table 7. Trends in age-adjusted prevalence and awareness of prediabetes among adults aged 18 years or older, United States, 2005–2020.

Characteristic Prediabetesa
Percentage (95% CI)
Prediabetes awarenessb,c
Percentage (95% CI)
2005–2008 33.6 (31.9–35.2)  6.5 (5.3–7.9)
2007–2010 36.3 (34.6–38.1)  8.2 (6.7–9.9)
2009–2012 35.2 (33.2–37.3) 10.0 (8.3–11.9)
2011–2014 33.0 (30.7–35.4) 10.7 (9.0–12.5)
2013–2016 33.3 (31.1–35.6) 13.3 (11.0–16.0)
2015–2018  36.8 (34.6–39.1) 14.9 (12.4–17.8)
2017–2020  36.5 (34.3–38.7) 17.4 (13.8–21.6)

Note: CI = confidence interval. Time period 2017–2020 covers January 2017 through March 2020 only.

a Prediabetes was defined as fasting plasma glucose values of 100 to 125 mg/dL or A1C values of 5.7% to 6.4%.

b Prediabetes awareness was based on self-report and estimated only among adults with prediabetes.

c p-value for linear trend <0.05.

Data source: 2005–March 2020 National Health and Nutrition Examination Survey.

Table 8

Appendix Table 8. Crude percentage of factors associated with diabetes-related complications among adults aged 18 years or older with diagnosed diabetes, United States, 2017–2020.

Risk factors for diabetes-related complications   Percentage (95% CI)
Smoking
Current tobacco user based on self-report or serum cotinine >10 ng/mL 22.1 (18.7–26.0)
Current cigarette smoker based on self-report 14.6 (12.2–17.3)
Former cigarette smoker 36.0 (30.5–41.8)
Overweight and obesity, according to body mass index (BMI)
BMI ≥25.0 kg/m2 89.8 (87.2–92.0)
   BMI 25.0–29.9 kg/m2 26.9 (24.0–30.0)
   BMI 30.0–39.9 kg/m2 47.1 (43.3–51.0)
   BMI ≥40.0 kg/m2 15.7 (12.4–19.7)
Physical inactivity 31.9 (28.5–35.6)
A1C
A1C≥7.0% 47.4 (41.1–53.8)
   A1C 7.0–7.9% 22.9 (18.7–27.8)
   A1C 8.0–9.0% 11.5 (8.3–15.7)
   A1C>9.0% 13.0 (10.5–15.9)
High blood pressure
Blood pressure ≥130/80 mmHg or taking antihypertensive medication 80.6 (77.5-83.3)
Blood pressure ≥140/90 mmHg or taking antihypertensive medication 70.8 (66.8–74.5)
High cholesterol, according to non-HDL cholesterol
Non-HDL ≥130 mg/dL 39.5 (33.1–46.2)
   Non-HDL 130–159 mg/dL 19.9 (16.3–24.1)
   Non-HDL 160–189 mg/dL 11.5 (8.1–16.1)
   Non-HDL ≥190 mg/dL 8.0 (5.7–11.1)

Note: CI = confidence interval. Former cigarette smoker was based on serum cotinine levels ≤10 ng/mL, a history of smoking at least 100 cigarettes in their lifetime, and a self-report of no current cigarette smoking. Physical inactivity was based on self-report of less than 10 minutes per week of moderate or vigorous activity in each of the physical activity categories of work, leisure time, and transportation.

Data source: 2017–March 2020 National Health and Nutrition Examination.

Table 9

Appendix Table 9. Distribution of A1C levels among adults with diagnosed diabetes aged 18 years or older, overall and by age group, United States, 2017–2020.

A1C Total 18–44 years 45–64 years ≥65 years
<6.5% 32.6 (27.2–38.6) 48.1 (34.1–62.3) 28.5 (19.7–39.3) 32.8 (28.8–37.0)
6.5%–6.9% 20.0 (16.5–24.0) 6.1 (2.9–12.6) 19.3 (13.8–26.2) 24.3 (19.4–30.0)
7.0%–7.9% 22.9 (18.7–27.8) 15.3 (8.1–26.9) 22.5 (16.2–30.3) 25.5 (20.9–30.7)
8.0%–8.9% 11.0 (7.9–15.1) 11.1 (4.2–26.1) 12.8 (7.1–22.2) 9.1 (6.8–12.1)
9.0%–9.9% 6.9 (4.8–9.8) 9.0 (3.5–21.5) 7.6 (4.4–12.8) 5.7 (3.4–9.4)
≥10.0% 6.6 (5.0–8.5) 10.4 (5.2–19.6) 9.4 (6.6–13.1) 2.6 (1.5–4.8)

Note: Estimates are crude percentages and 95% confidence intervals. Time period 2017–2020 covers January 2017 through March 2020 only.

Data source: 2017–March 2020 National Health and Nutrition Examination Survey.

Table 10

Appendix Table 10. Crude percentage of factors associated with prevention of diabetes-related complications among adults aged 18 years or older with diagnosed diabetes, United States, 2017–2020.

Preventive factors Percentage (95% CI)
At least one usual source of diabetes care 78.8 (73.8-83.0)
At least 150 minutes per week of leisure-time physical activity 24.1 (19.5-29.3)
Managing or losing weight to lower their risk for developing certain diseases 73.1 (69.5-76.4)
Among adults aged 40–75 years, % on statin therapy 57.8 (52.7-62.7)

Note: CI = confidence interval.

Data source: 2017–March 2020 National Health and Nutrition Examination Surveys.

Table 11

Appendix Table 11. Crude prevalence of chronic kidney disease among adults aged 18 years or older, overall and by race and ethnicity, United States, 2017–2020.

Characteristic CKD stages 1–4
Percentage (95% CI)
CKD stages 3–4
Percentage (95% CI)
CKD awareness, a
Percentage (95% CI)
CKD definition 1 b
Total 39.2 (35.7–42.9) 15.7 (13.1–18.7) 32.5 (21.8–45.4)
Race-ethnicity
White, non-Hispanic 38.2 (31.7–45.2) 17.2 (13.4–21.9) 33.5 (19.5–51.1)
Black, non-Hispanic 46.6 (41.5–51.7) 23.1 (18.2–29.1) 31.2 (20.0–45.2)
Asian, non-Hispanic 35.1 (25.9–45.6) -- d -- d
Hispanic 38.5 (31.5–46.1) 8.9 (6.1–12.9) 29.9 (17.6–46.0)
   
Characteristic CKD stages 1–4
Percentage (95% CI)
CKD stages 3–4
Percentage (95% CI)
CKD awareness, a
Percentage (95% CI)
CKD definition 2 c
Total 40.9 (36.8–45.0) 18.2 (15.0–22.0) 29.7 (20.2–41.4)
Race-ethnicity
White, non-Hispanic 40.1 (33.2–47.6) 20.7 (15.9–26.5) 30.3 (17.9–46.4)
Black, non-Hispanic 44.2 (40.0–48.5) 19.0 (14.7–24.3) 38.1 (25.8–52.2)
Asian, non-Hispanic 37.9 (28.9–47.7) 9.9 (5.3–17.8) -- d
Hispanic 39.7 (31.8–48.3) 10.6 (7.1–15.5) 25.0 (12.6–43.4) d

Note: CKD = chronic kidney disease. Time period 2017–2020 covers January 2017 through March 2020 only.

a Among CKD stages 3–4 only.

b CKD based on 2021 CKD Epidemiology Collaboration serum creatinine-only GFR estimating equation, including age and sex only.

c CKD based on 2009 CKD Epidemiology Collaboration serum creatinine-only GFR estimating equation, including age, sex, and Black race.

d Estimates were statistically unreliable based on relative standard error >30%.

Data source: 2017–March 2020 National Health and Nutrition Examination Survey.