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. 2021 Dec 10;5(12):e32165. doi: 10.2196/32165

Table 1.

Characteristics of the cohort among those who enrolled, completed the study, and did not finish.


Enrolled and started the study (N=365), n (%) Retaineda (n=297), n (%) DNFb (n=68)c, n (%) P value (retained vs DNF)
Age (years) .16d

18-25 47 (12.88) 37 (12.46) 10 (14.71)

26-35 168 (46.03) 129 (43.43) 39 (57.35)

36-45 78 (21.37) 67 (22.56) 11 (16.18)

>46 72 (19.73) 64 (21.55) 8 (11.76)
Gender .85d

Female 325 (89.04) 264 (88.89) 61 (89.71)

Male 40 (10.96) 33 (11.11) 7 (10.29)
Race .35e

White 302 (82.74) 242 (81.48) 60 (88.24)

Black or African American 8 (2.19) 8 (2.69) 0 (0.00)

Asian/Pacific Islander 27 (7.40) 22 (7.41) 5 (7.35)

Native American or American Indian 2 (0.55) 1 (0.34) 1 (1.47)

More than one race 21 (5.75) 19 (6.40) 2 (2.94)

Unknown/not reported 5 (1.37) 5 (1.68) 0 (0.00)
Ethnicity .69e

Hispanic or Latino 12 (3.29) 9 (3.03) 3 (4.41)

Not Hispanic or Latino 343 (93.97) 279 (93.94) 64 (94.12)

Unknown/not reported 10 (2.74) 9 (3.03) 1 (1.47)
Occupation .39e

Registered nurse 325 (89.04) 264 (88.88) 61 (89.71)

Medical doctor 5 (1.37) 5 (1.68) 0 (0.00)

Medical assistant 10 (2.74) 7 (2.36) 3 (4.41)

Emergency medical services 2 (0.55) 1 (0.34) 1 (1.47)

Otherf 23 (10.96) 20 (6.73) 3 (4.41)

aRetained includes completing follow-up of 4 months or by study end cutoff date.

bDNF: did not finish.

cDNF includes participants lost to follow-up, dropped out, or withdrawn.

dPearson chi-square tests.

eFishers exact tests.

fOther occupations include social workers, respiratory therapist, surg/cardio tech, dentist, registered dietitian, or medical student.