Abstract
The research aimed to 1) investigate the correlation of causal model affecting alcohol and tobacco abuse prevention behavior in students, 2) examine key factors and empirical data affecting alcohol and tobacco abuse prevention behavior, and 3) study key factors affecting alcohol and tobacco abuse prevention behavior in students in Central Thailand. The sample group involved 1,342 students in Central Thailand selected by Multi-Stage Sampling. The research instruments were 1) perceived school policy on alcohol and tobacco abuse prevention behavior questionnaires, 2) alcohol harm awareness questionnaires, 3) tobacco harm awareness questionnaires, 4) alcohol abuse prevention behavior questionnaires, and 5) tobacco abuse prevention behavior questionnaires. The data was statistically analyzed using Correlation Coefficient and Causal Model Analysis. The research findings were 1) Correlation Coefficient score equals 0.54 and statistical significance score equals.01, 2) The causal model affecting alcohol and tobacco abuse prevention behavior of students in the Central Thailand-Bangkok and surrounding provinces was consistent with the following empirical data (