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.