Delivering the National Diabetes Prevention Program: Assessment of Enrollment in In-Person and Virtual Organizations

Table 1

Characteristics of eligible^a participants who have enrolled^b in the National Diabetes Prevention Program (National DPP) lifestyle change program, by organization delivery mode.

	Total		In-person		Online		Distance-learning		Combination
		%		%		%		%		%
Sex^c
Men	109,725	24.1	32,343	19.4	72,794	27.1	961	20.1	3,627	23.5
Women	345,641	75.9	133,964	80.6	196,021	72.9	3,824	79.9	11,832	76.5
Age group (years)
18-44	148,179	32.5	31,543	18.9	111,682	41.5	1,464	30.6	3,490	22.6
45-64	245,222	53.8	88,107	52.9	146,224	54.4	2,846	59.5	8,045	52.0
65+	62,553	13.7	47,041	28.2	11,098	4.1	476	10.0	3,938	25.5
Race/ethnicity^d
Hispanic/Latino	55,338	13.2	22,446	15.6	27,412	10.7	354	9.0	5,126	37.3
Non-Hispanic/Latino	363,035	86.8	121,602	84.4	229,234	89.3	3,565	91.0	8,634	62.7
American Indian/Alaska Native	3,871	0.9	2,208	1.5	1,579	0.6	15	0.4	69	0.5
Asian/Asian American	13,087	3.1	2,653	1.8	9,642	3.8	110	2.8	682	5.0
Black/African American	54,700	13.1	23,121	16.1	28,726	11.2	624	15.9	2,229	16.2
Native Hawaiian/other Pacific Islander	3,355	0.8	1,475	1.0	1,725	0.7	92	2.3	63	0.5
White	270,330	64.6	81,885	56.8	180,537	70.3	2,558	65.3	5,350	38.9
Multiracial	2,892	0.7	1,709	1.2	1,096	0.4	39	1.0	48	0.3
Not reported	14,800	3.5	8,551	5.9	5,929	2.3	127	3.2	193	1.4
Baseline body mass index (BMI)
<25 kg/m^2 (not overweight or obesity)	2,018	0.4	1,241	0.7	728	0.3	23	0.5	26	0.2
25-29 kg/m^2 (overweight)	106,788	23.4	37,551	22.5	65,770	24.5	1,032	21.6	2,435	15.7
≥30 kg/m^2 (obesity)	347,148	76.1	127,899	76.7	202,506	75.3	3,731	78.0	13,012	84.1
Eligibility category^e
Blood test
Yes	211,148	46.3	103,257	62.0	92,022	34.2	2,442	51.0	13,427	86.8
No	244,806	53.7	63,434	38.0	176,982	65.8	2,344	49.0	2,046	13.2
Gestational diabetes mellitus (GDM)
Yes	37,676	8.3	7,556	4.5	29,037	10.8	245	5.1	838	5.4
No	418,278	91.7	159,135	95.5	239,967	89.2	4,541	94.9	14,635	94.6
Risk test
Yes	352,026	77.2	99,847	59.9	246,605	91.7	3,291	68.8	2,283	14.8
No	103,928	22.8	66,844	40.1	22,399	8.3	1,495	31.2	13,190	85.2
Entered program with blood test or history of GDM	235,038	51.5	107,157	64.3	111,333	41.4	2,628	54.9	13,920	90.0
Entered program with risk test only	220,916	48.5	59,534	35.7	157,671	58.6	2,158	45.1	1,553	10.0

^aA participant’s eligibility was based on the results of a blood-based test (A1c, fasting blood glucose (FBG), or oral glucose tolerance test (OGTT)), score on the Centers for Disease Control and Prevention’s (CDC) or the American Diabetes Association’s (ADA) prediabetes risk test, or by a history of gestational diabetes mellitus (GDM). ^bParticipants must have been enrolled between January 2012 and December 2019 in a program and attended at least one session. ^cSex was not reported for 588 (0.1%) participants. ^dEthnicity was not reported for 37,581 (8.2%) participants. ^eCategories are not mutually exclusive.