Table 4.
Participant agreement with acceptability-related statements by study group: counts (%) and P values from chi-square inferential tests. Agreement was taken as either “agreeing” or “strongly agreeing” with a respective statement.
| Statement | EMIa (n=25), n (%) | EMAb (n=26), n (%) | P value | |
| EMA-related statements |
|
|
|
|
|
|
Filling in the surveys was quick | 22 (85) | 20 (65) | .09 |
|
|
Filling in the surveys was easy | 22 (85) | 23 (74) | .34 |
|
|
I enjoyed filling in the surveys | 17 (65) | 15 (48) | .20 |
|
|
My friends knew that I was doing the surveys during the nights | 22 (85) | 17 (54) | .02 |
|
|
Doing the surveys helped me to think about keeping track of my drinking and spending | 14 (54) | 17 (55) | .94 |
|
|
Doing the surveys helped me to think about having a safer night | 14 (54) | 12 (39) | .26 |
|
|
Doing the surveys didn’t interrupt my night too much | 19 (73) | 15 (48) | .06 |
|
|
I didn’t want friends to know that I was doing the surveys | 0 (0) | 0 (0) | — |
|
|
The surveys were too long | 6 (23) | 4 (13) | .31 |
|
|
Doing the surveys made me want to drink more | 1 (4) | 1 (3) | .90 |
| Brief intervention message-related statements |
|
|||
|
|
The messages that I received were useful | 18 (69) | N/Ac | N/A |
|
|
The messages that I received were relevant | 23 (88) | N/A | N/A |
|
|
I shared the message with my friends during the night | 19 (73) | N/A | N/A |
|
|
Receiving the messages helped me to keep track of my drinking and spending | 15 (58) | N/A | N/A |
aEMI: ecological momentary intervention.
bEMA: ecological momentary assessment.
cN/A: not applicable.