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. 2022 Feb 25;6(2):e34477. doi: 10.2196/34477

Table 6.

Means, SDs, and frequency distributions of responses on perceived usability, perceived usefulness, and intention to use the app (part 2 of the Technology Acceptance Model–based questionnaire; N=38).


Value, mean (SD) 1: Completely disagree, n (%) 2: Disagree, n (%) 3: Neutral, n (%) 4: Agree, n (%) 5: Strongly agree, n (%)
Perceived usability

Do you find the app easy to use? 4.29 (0.60) 0 (0) 0 (0) 3 (8) 21 (55) 14 (37)
Perceived usefulness

Young people might benefit from this app 4.26 (0.50) 0 (0) 0 (0) 1 (3) 26 (68) 11 (29)

This app will raise awareness of the risks of drug use, both physical and mental 4.23 (0.67) 0 (0) 1 (3) 2 (5) 22 (58) 13 (34)

The app will provide tools to assess levels of personal risk from drug use 4.10 (0.79) 0 (0) 1 (3) 7 (18) 17 (45) 13 (34)

The app will help identify red flags that require immediate attention 4.50 (0.60) 0 (0) 0 (0) 2 (5) 15 (40) 21 (55)

The app will prevent drug use or encourage safe consumption 3.60 (0.85) 0 (0) 3 (8) 15 (40) 14 (37) 6 (16)

The app will harm young people by encouraging them to use drugs (low score means high benefit) 1.89 (0.86) 14 (37) 16 (42) 6 (16) 2 (5) 0 (0)
Intention to use the app

I would download the app and use it for my personal needs 3.58 (0.98) 0 (0) 6 (16) 12 (32) 12 (32) 8 (21)

I would download the app and use it to help others 4.21 (0.80) 0 (0) 2 (6) 2 (6) 16 (49) 13 (39)

I would recommend the app to a friend 4.29 (0.60) 0 (0) 0 (0) 3 (8) 21 (55) 14 (37)