1Department of Epidemiology, School of Public Health and Management, Chongqing Medical University, Chongqing, China
2Nebraska Prevention Center for Alcohol and Drug Abuse, Department of Educational Psychology, University of Nebraska-Lincoln, Lincoln, NE, USA
Copyright © 2018 The Korean Society for Preventive Medicine
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Intervention |
χ2 (p-value) | Control |
χ2 (p-value) | |||
---|---|---|---|---|---|---|
Complete | Incomplete | Complete | Incomplete | |||
Total | 418 | 452 | 334 | 108 | ||
Sex |
||||||
Male | 118 (40.3) | 175 (59.7) | 10.85 (0.001) | 118 (76.1) | 37 (23.9) | 0.04 (0.84) |
Female | 300 (52.1) | 276 (47.9) | 216 (75.3) | 71 (24.7) | ||
Drinking in the last 30 d | ||||||
Yes | 94 (46.1) | 110 (53.9) | 0.41 (0.52) | 93 (78.1) | 26 (21.8) | 0.59 (0.44) |
No | 324 (48.6) | 342 (51.3) | 241 (74.6) | 82 (25.4) | ||
Do you flush? |
||||||
Yes | 199 (47.6) | 193 (49.2) | 2.13 (0.15) | 160 (79.2) | 42 (20.8) | 2.67 (0.10) |
No | 216 (51.7) | 257 (53.3) | 174 (72.5) | 66 (27.5) |
Treatment group |
Time | Suggest that a classmate stop/reduce | Suggest that a male flusher stop/reduce | Suggest that a female flusher stop/reduce | Suggest not to pressure a flusher to drink more |
---|---|---|---|---|---|
Intervention (n = 418) | Pre | 6.03±2.70 | 5.12±2.69 | 7.68±2.37 | 6.33±2.54 |
Post | 6.84±2.31 | 6.19±2.40 | 8.15±1.98 | 6.98±2.15 | |
Control (n = 334) | Pre | 6.31±2.76 | 5.36±2.76 | 7.94±2.34 | 6.40±2.47 |
Post | 6.42±2.52 | 5.73±2.51 | 7.52±2.46 | 6.39±2.37 |
Situation | Intervention effect |
95% CI |
|
---|---|---|---|
LL | UL | ||
Suggest that a classmate stop/reduce | 0.55 | 0.25 | 0.85 |
Suggest that a male flusher stop/reduce | 0.57 | 0.27 | 0.87 |
Suggest that a female flusher stop/reduce | 0.75 | 0.48 | 1.03 |
Suggest that others not pressure a flusher to drink more | 0.63 | 0.34 | 0.92 |
Values are presented as number (%). Intervention group: completed pretest and posttest and opened at least 1 lesson on WeChat. Control group: completed pretest and posttest. One person in the intervention group did not report sex. Three people did not report whether they flushed.
Values are presented as mean±standard deviation. Ranging from “very unlikely” (1) to “very likely” (10). Based on the test results of these 418 intervention students and the 334 control students.
CI, confidence interval; LL, lower limit; UL, upper limit. 1One-way analysis of covariance.