Age showed significant direct effects for both males and females. Among males, there were significant direct effects of age on eight symptom criteria. With the same AUD severity, each of the two younger age groups was more likely than those ages 26 years and older to report tolerance, give up activities (ages 18–25 only), time spent, hazardous use, and legal problems and was less likely to report withdrawal (ages 18–25 only), larger amounts (ages 12–17 only), and cut down. Among females, factor values being the same, each of the two younger age groups was more likely than those ages 26 years and older to report tolerance, role obligation failure (ages 12–17 only), hazardous use, and legal problems and less likely to report withdrawal (ages 18–25 only), larger amounts, cut down, time spent (ages 18–25 only), and continued to drink despite psychological and physical problems.