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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Addict Behav. 2018 Dec 23;92:89–94. doi: 10.1016/j.addbeh.2018.12.029

Table 1.

Descriptive Statistics: EMA Completion and Participation Rates

EMA Sessions Completed Participation Rates
Assessment Wave Mean SD N %
Spring 8th grade 14.25 3.63 430 92%
Fall 9th grade 13.34 4.69 381 82%
Winter 9th grade 13.67 4.43 390 84%
Spring 9th grade 13.44 4.80 374 80%
Fall 10th grade 13.45 4.49 355 76%
Winter 10th grade 13.57 4.75 348 75%
Spring 10th grade 13.67 4.74 342 73%

Note. Total EMA sessions per wave = 18. The participation rates reflect the number of adolescents who participated in the EMA wave out of 466.

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