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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Addiction. 2019 Apr 29;114(7):1303–1308. doi: 10.1111/add.14603

Table 3.

Responses to items of the user experience survey by selected sociodemographic characteristics

Very/somewhat
confident
taking sample
after reading
instructions
Very/somewhat
likely to
participate in
biosample
survey again
Very/somewhat
likely to
recommend
blood spot
collection kit
Wanted
more
detailed
instructions
Wanted
other
instructions
Did not want
any additional
instructions

n(%) n(%) n(%) n(%) n(%) n(%)

Age
 20–29 18 (90.0) 18 (90.0) 16 (80.0) 6 (31.6) 4 (21.1) 11 (57.9)
 30–39 25 (96.2) 24 (88.9) 23 (88.5) 2 (7.4) 12 (44.4) 13 (48.2)
 40–49 26 (92.9) 22 (78.6) 20 (71.4) 2 (7.4) 7 (25.9) 19 (70.4)
 50–59 31 (93.9) 28 (82.4) 29 (85.3) 2 (6.3) 6 (18.8) 24 (75.0)
 60+ 50 (94.3) 41 (75.9) 39 (72.2) 9 (17.3) 13 (25.0) 33 (63.5)
Gender
 Women 87 (95.6) 74 (80.4) 70 (76.1) 13 (14.4) 29 (32.2) 53 (58.9)
 Men 64 (91.4) 60 (83.3) 58 (81.7) 8 (11.8) 14 (20.6) 47 (69.1)
Race/ethnicity
 White 114 (96.6)* 99 (82.5) 95 (79.8) 15 (12.9) 35 (30.2) 70 (60.3)
 Black 21 (80.8) 20 (74.1) 19 (70.4) 3 (11.5) 3 (11.5) 20 (76.9)
 Latino 16 (94.1) 15 (88.2) 14 (82.4) 3 (18.8) 5 (31.3) 10 (62.5)
Education
 High school or less 26 (92.9) 25 (89.3) 22 (78.6) 4 (14.3) 3 (10.7)* 21 (75.0)*
 Some college 38 (95.0) 35 (83.3) 34 (81.0) 5 (12.2) 8 (19.5) 30 (73.2)
 College graduate or above 86 (93.5) 74 (79.6) 72 (78.3) 12 (13.6) 32 (36.4) 48 (54.6)

Note: For interpretability, we dichotomized the responses for 4-point Likert scale items into the two categories “very or somewhat confident/likely” and “not very or not at all confident/likely”. Chi-square comparisons are for “very or somewhat confident/likely” vs. “not very or not at all confident/likely”;

*

p-value≤0.05