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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: J Adolesc Health. 2020 May 8;68(1):110–115. doi: 10.1016/j.jadohealth.2020.03.039

Table 2:

Attitude, Intention, and Behavior Related Outcomes

Pre-intervention Post-intervention p-value
2011 2012 Pre 2013 2014 2015 2016 Post
WI WA p-value WI WA p-value WI WA p-value WI WA p-value WI WA p-value WI WA p-value
Sample size 199 139 187 128 162 121 155 110 152 108 101 54
Attitude: mean, (SD) 2.0 (1.7) 1.8 (1.7) 0.48 2.4 (1.9) 2.2 (1.7) 0.34 2.1 2.7 (1.7) 2.6 (1.7) 0.56 2.8 (1.6) 2.7 (1.4) 0.65 3.0 (1.7) 3.0 (1.5) 0.90 3.1 (1.6) 2.9 (1.6) 0.57 2.8 <0.001
Intention: Mean, (SD) 0.9 (1.4) 0.4 (0.9) <0.001 1.2 (1.7) 1.1 (1.7) 0.60 0.9 2.0 (2.1) 1.7 (2.0) 0.13 1.8 (2.0) 1.8 (2.0) 0.60 1.6 (1.9) 1.7 (2.0) 0.42 2.0 (2.1) 1.8 (2.1) 0.66 1.8 <0.001
Ever used: n, (%) 66 (33.2) 49 (35.2) 0.78 89 (47.6) 59 (46.1) 0.88 - 93 (57.4) 62 (51.2) 0.36 97 (62.6) 64 (58.2) 0.55 99 (65.6) 70 (64.8) 0.99 73 (72.2) 35 (64.8) 0.44 - -
Used in last 28 days: n, (%) 25 (33.8) 24 (42.9) 0.38 38 (42.7) 27 (45.8) 0.84 41.0% 39 (41.9) 24 (38.7) 0.82 37 (38.1) 25 (39.1) 0.99 27 (26.5) 27 (37.0) 0.19 23 (31.5) 14 (40.0) 0.51 36.0% 0.16
New user since last year: n, (%) - - 29 (23.2) 16 (19.0) 0.59 21.5% 19 (21.8) 9 (13.6) 0.28 9 (14.5) 7 (13.2) 0.99 4 (8.2) 5 (12.5) 0.73 5 (16.1) 1 (5.6) 0.39 14.5% 0.037