Table 1. Demographic and Clinical Characteristics of Adult Patients in the Preventive Services Query, 36 National Patient-Centered Clinical Research Network (PCORnet) sites^a, 2018–2022.

Characteristic	2018	2019	2020	2021	2022
All unique patients, n	12,236,819	13,026,666	13,353,937	15,590,610	13,826,891
Age, yb, %
21–34	24	24	25	24	24
35–39	9	9	9	9	9
40–44	8	8	8	8	8
45–49	9	8	8	8	8
50–64	30	29	29	28	28
65–79	21	21	21	22	23
Sexc, %
Female	59	59	59	59	59
Male	41	41	41	41	41
Race and ethnicityd, %
Non-Hispanic Asian	3	3	3	3	3
Non-Hispanic Black	16	16	15	15	16
Non-Hispanic White	59	59	58	56	57
Hispanic	13	13	13	13	13
Body mass indexe, %
Underweight (<18.5)	2	2	2	2	2
Normal weight (18.5–<25)	27	26	26	25	25
Overweight (25–<30)	32	31	31	31	31
Obese (≥30)	40	41	42	42	43
Comorbidity (5-year history), %
Heart disease	11	11	11	10	12
Diabetes	10	11	11	10	12
Cancer	6	6	6	5	6
Hypertension	24	24	24	23	25
Mental health disorders	11	11	12	11	13
Smoking	13	13	13	12	13
Urbanicityc, %
Isolated	2	2	2	2	2
Small rural	2	2	2	2	2
Large rural	6	6	6	6	6
Urban	84	83	82	80	76
Socioeconomic status: Area Deprivation Index quartilesc, %
Quartile 1: 0–38	27	26	26	26	24
Quartile 2: 39–43	23	23	23	22	21
Quartile 3: 44–49	22	22	22	21	21
Quartile 4: 50–100	23	22	21	20	20

^a National Patient-Centered Clinical Research Network (PCORnet) sites: Duke University, Medical University of South Carolina, Vanderbilt University Medical Center, Wake Forest Baptist Health, Allina Health, Medical College of Wisconsin, University of Iowa Healthcare, University of Kansas, University of Missouri HC, University of Nebraska, University of Texas SW Medical Center, University of Utah, University Medical Center New Orleans, Ochsner Health System, Children’s Hospital Colorado, Children’s Hospital of Philadelphia, Cincinnati Children’s Hospital, Nationwide Children’s Hospital, Nemours Children’s Hospital, Seattle Children’s Hospital, Lurie Children’s Hospital, Columbia, Cook County, Northwestern University, Fenway Health, Health Choice Network, OCHIN, Inc, Johns Hopkins University, Penn State College of Medicine and Penn State Health Milton S. Hershey Medical Center, Temple University, University of Michigan, University of Pittsburgh Medical Center, AdventHealth, Orlando Health System, University of Florida Health, University of Miami. These sites represent academic and community health systems. Patients who receive care in these institutions reside across all 50 states; Washington, DC; Puerto Rico; US Virgin Islands; and Guam.

^b Age category based on patient age at the time of first encounter during the 1-year period.

^c Other/missing not shown.

^d Not shown: non-Hispanic American Indian or Alaska Native (<1%), non-Hispanic multiple race (<1%), non-Hispanic Native Hawaiian or Other Pacific Islander (<1%), other (2%), and missing (6%–9%; there were some variations by year).

^e Body mass index (BMI) data were missing from 25% to 35% of patients. BMI category percentages have been calculated among those with available BMI data. BMI calculation: weight in kilograms divided by the square of height in meters.