Skip to main content
. 2021 Jul 5;16(6):1428–1435. doi: 10.1177/19322968211028268

Table 2.

Demographic Characteristics – Years 2009, 2014, and 2018.

Characteristic Type 1 diabetes Type 2 diabetes
2009 2014 2018 2009 2014 2018
% or Mean ± SD % or Mean ± SD % or Mean ± SD % or Mean ± SD % or Mean ± SD % or Mean ± SD
Sample size 115,274 106,286 77,504 418,458 457,591 274,872
Demographic characteristics
AgeA,B,C 38.3 ± 19.0 36.8 ± 18.3 35.9 ± 17.2 57.9 ± 13.4 58.6 ± 13.0 56.8 ± 12.2
Sex
 MaleA,B 52.3 53.3 53.8 52.7 53.8 54.4
 FemaleA,B 47.8 46.7 46.2 47.3 46.2 45.6
Region
 NortheastA,B 17.8 20.7 17.5 14.3 18.9 16.9
 North CentralA,B 29.9 23.7 24.6 31.5 25.5 24.6
 SouthB,C 34.5 35.7 41.1 38.1 40.8 45.6
 WestA,C 15.9 16.9 16.6 14.3 12.4 12.7
 UnknownA,B,C 1.9 3.0 0.2 1.8 2.4 0.2
Insurance type
 CommercialA,B,C 92.3 94.3 97.0 72.3 71.7 82.0
 Medicare SupplementalA,B,C 7.7 5.7 3.0 27.7 28.3 18.0

SD, standard deviation.

A

Statistically significant trend (P < .05) for individuals with type 1 diabetes.

B

Statistically significant trend (P < .05) for individuals with type 2 diabetes.

C

Statistically significant difference (P < .05) in trend between individuals with type 1 diabetes and type 2 diabetes.