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. 2025 Apr 10;27:e68936. doi: 10.2196/68936

Table 1.

Participants demographics for Dario users who completed vaccination status in surveys (2) or (3) (completers) and those who did not complete either of the 2 surveys (noncompleters).


Completers (n=8431) Noncompleters (n=56,473) P value Effect size
Age (years), mean (SD) 63.7 (11) 56.6 (13.2) <.001a Cohen d=0.58
Gender, n (%) <.001b Cramer V=0.03

Female 4376 (52.1) 26728 (47.5)


Male 5022 (47.9) 29508 (52.5)


Other 0 (0) 5 (0)

BMI, mean (SD) 33.2 (7.8) 33.4 (8.4) <.05a Cohen d=0.02
Year of diagnosis (duration of diabetes), mean (SD) 2009.7 (50.7) 2012.2 (50.8) <.001a Cohen d=0.05
Diabetes type, n (%) <.001b Cramer V=0.06

Type 1 453 (5.4) 5955 (10.6)


Type 2 7933 (94.1) 50272 (89.1)


Other 32 (0.4) 156 (0.3)

Insulin treatment, n (%) <.001b Cramer V=0.01

No 5730 (69.2) 36583 (69.2)


Pen 2248 (27.6) 14716 (27.8)


Pump 169 (2.1) 1592 (3)

Comorbidities, n (%) <.001b Cramer V=0.13

Cardio-metabolicc 3930 (56.6) 25211 (59)


MSKd 587 (8.5) 1487 (3.5)


BHe 458 (6.6) 6583 (15.4)


None 1966 (28.3) 9443 (22.1)

aTwo sample t test for comparing mean samples.

bChi-square test of independence.

cCardio-metabolic (cardiovascular, cerebrovascular, endocrine, high blood lipids, hypertension, kidney disease, obesity, and vascular).

dMSK: musculoskeletal.

eBH: behavioral health.