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. 2021 Dec 23;9(4):e33975. doi: 10.2196/33975

Table 2.

Concept scores among participants.

Characteristics Self-efficacy: MUSEa Self-efficacy: opioid safety Perceived knowledge Misuse harm Behavioral intent Safe storage Safe disposal Opioid knowledge Narcan knowledge Misuse behavior
Overall

N 117 117 117 117 117 117 117 117 45 117

Mean (SD) 0.28 (0.60) 0.39 (0.71) 0.93 (1.00) 0.22 (0.94) 0.25 (0.62) 0.03 (0.20) 0.08 (0.22) 0.06 (0.16) -0.04 (0.29) 0.09 (0.28)

Kruskal-Wallis P value <.001 <.001 <.001 .01 <.001 .09 <.001 <.001 .6 <.001
Gender

Female, mean (SD) 0.35 (0.67) 0.37 (0.70) 1.14 (0.97) 0.15 (0.72) 0.33 (0.59) 0.02 (0.22) 0.12 (0.25) 0.06 (0.16) 0.00 (0.35) 0.05 (0.28)

Male, mean (SD) 0.21 (0.51) 0.39 (0.74) 0.74 (1.00) 0.27 (1.11) 0.19 (0.65) 0.04 (0.17) 0.04 (0.17) 0.05 (0.16) -0.06 (0.25) 0.14 (0.27)

Kruskal-Wallis P value .42 .99 .07 .37 .33 .21 .05 .88 .32 .04
Race (grouping 1)

White or Caucasian, mean (SD) 0.23 (0.41) 0.30 (0.65) 0.75 (0.91) 0.20 (0.84) 0.23 (0.66) 0.02 (0.14) 0.05 (0.18) 0.03 (0.13) -0.10 (0.30) 0.10 (0.27)

Black or African American, mean (SD) 0.27 (0.75) 0.20 (0.80) 0.76 (0.90) 0.15 (1.02) 0.12 (0.65) 0.02 (0.24) 0.12 (0.26) 0.07 (0.22) 0.15 (0.24) 0.01 (0.18)

Hispanic or Latinx, mean (SD) 0.25 (0.61) 0.58 (0.82) 1.27 (1.22) 0.29 (1.08) 0.40 (0.59) 0.11 (0.29) 0.10 (0.19) 0.09 (0.15) -0.11 (0.17) 0.18 (0.34)

Other or missing, mean (SD) 0.54 (0.89) 0.71 (0.45) 1.37 (0.95) 0.30 (1.00) 0.30 (0.47) -0.02 (0.07) 0.10 (0.32) 0.12 (0.18) 0.17 (0.24) 0.05 (0.33)

Kruskal-Wallis P value .76 .04 .02 .78 .72 .36 .58 .23 .04 .38
Race (grouping 2)b

White or Caucasian, mean (SD) 0.23 (0.41) 0.30 (0.65) 0.75 (0.91) 0.20 (0.84) 0.23 (0.66) 0.02 (0.14) 0.05 (0.18) 0.03 (0.13) -0.10 (0.30) 0.10 (0.27)

Non-White, mean (SD) 0.33 (0.73) 0.47 (0.76) 1.10 (1.06) 0.24 (1.03) 0.27 (0.59) 0.05 (0.24) 0.11 (0.25) 0.09 (0.18) 0.06 (0.24) 0.09 (0.29)

Kruskal-Wallis P value .73 .21 .03 .42 .63 .73 .23 .26 .12 .80
School

High school, mean (SD) 0.26 (0.56) 0.34 (0.68) 0.86 (0.94) 0.19 (0.80) 0.23 (0.68) 0.03 (0.21) 0.06 (0.19) 0.04 (0.14) -0.06 (0.30) 0.12 (0.27)

Middle school, mean (SD) 0.31 (0.67) 0.48 (0.78) 1.07 (1.11) 0.27 (1.17) 0.30 (0.49) 0.03 (0.17) 0.13 (0.26) 0.10 (0.19) 0.03 (0.25) 0.03 (0.28)

Kruskal-Wallis P value .42 .21 .23 .51 .45 .77 .06 .34 .39 .15
Grade

Correlation coefficient -0.17 -0.14 -0.17 -0.08 -0.09 0 -0.18 -0.23 -0.1 0.12

95% CI -0.34 to 0.02 -0.31 to 0.05 -0.34 to 0.02 -0.25 to 0.11 -0.26 to 0.10 -0.18 to 0.18 -0.35 to 0.00 -0.40 to -0.05 -0.38 to 0.20 -0.06 to 0.30

Pearson's correlation P value .07 .15 .07 .41 .35 .98 .06 .01 .52 .18
Age

Correlation coefficient -0.15 -0.12 -0.16 -0.07 -0.06 0 -0.15 -0.18 -0.15 0.1

95% CI -0.32 to 0.03 -0.29 to 0.07 -0.33 to 0.03 -0.25 to 0.11 -0.24 to 0.12 -0.18 to 0.19 -0.32 to 0.03 -0.35 to 0.00 -0.42 to 0.15 -0.08 to 0.28

Pearson's correlation P value .11 .22 .09 .44 .52 .96 .11 .05 .34 .27

aMUSE: Medication Understanding and Use Self-Efficacy.

bRace grouping 2 examines participants who selected “White” as one category and every other option as “non-White.”