Table 3.
Alcohol Use Disorder Diagnoses and Other Drinking Characteristics During the 2-Year Follow-up Among the Trajectory Groupsa
| DSM-IV Diagnosesb | Light Drinker Trajectory Group
|
Heavy Drinker Trajectory Group
|
||||||
|---|---|---|---|---|---|---|---|---|
| Nonbinge (81.4%) |
Infrequent Binge (18.6%) |
P Value | Gradual Maturing (8.7%) |
Moderate Frequency (59.6%) |
High Frequency (25.0%) |
Exacerbating Binge (6.7%) |
P Value | |
| Alcohol abuse | 6 | 25 | <.05 | 0 | 63 | 81 | 86 | <.001 |
| Alcohol dependence | 0 | 0 | NS | 11 | 8 | 31 | 57 | <.001 |
| Alcohol drinking behaviorsc | ||||||||
| Dr-InC 2R score (total) | 5.16 (0.73) | 7.81 (1.25) | NS | 7.67 (1.98) | 19.44 (1.00) | 24.85 (2.19) | 33.00 (4.23) | <.001 |
| AUDIT score | 3.47 (0.24) | 5.50 (0.53) | <.001 | 4.89 (0.48) | 11.81 (0.42) | 15.50 (0.70) | 21.29 (1.08) | <.001 |
| Average No. of drinking days per month | 5.89 (0.43) | 8.85 (0.84) | <.01 | 7.13 (0.99) | 12.32 (0.49) | 14.33 (0.64) | 19.07 (1.47) | <.001 |
| Average No. of drinks per drinking day | 1.80 (0.08) | 2.58 (0.21) | <.001 | 2.67 (0.25) | 4.91 (0.21) | 5.80 (0.36) | 5.81 (0.53) | <.001 |
| Average No. of binge days per month | 0.19 (0.03) | 1.35 (0.14) | <.001 | 1.76 (0.33) | 6.27 (0.18) | 10.44 (0.25) | 12.79 (0.67) | <.001 |
| Maximum No. of drinks consumed on 1 occasion | 2.69 (0.11) | 4.98 (0.11) | <.001 | 4.81 (0.68) | 9.28 (0.33) | 11.63 (0.69) | 14.25 (1.02) | <.001 |
Abbreviations: AUDIT, Alcohol Use Disorder Identification Test; Dr-InC 2R, Drinker Inventory of Consequences–Recent.
Data are given as mean (SEM) or percentage.
DSM-IV diagnoses derived from annual Structured Clinical Interview for DSM-IV Axis 1 disorders and coded positive if criteria were met during either 12- or 24-month follow-up.
Dr-InC 2R and AUDIT are average maximum score at 12- or 24-month follow-up; number of alcohol drinking days, number of drinks per drinking day, number of binge days per month, and maximum number of drinks were the average of all 8 quarterly follow-ups. P values determined by χ2 or Fisher exact test for DSM-IV diagnoses and by linear trend analysis for alcohol drinking behaviors.