Characteristics of DSM-IV alcohol diagnostic orphans: drinking patterns, physical illness, and negative life events.
BACKGROUND
Interest in subthreshold psychiatric disorders has increased recently. Diagnostic orphans experience one to two criteria of alcohol dependence but do not meet the diagnostic criteria for a DSM-IV alcohol use disorder (AUD). This study investigated the impact of subthreshold alcohol symptoms on three domains: physical illness, drinking patterns, and the occurrence of negative life events.


METHODS
Current drinkers (n=26,946) in the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) were divided into five diagnosis groups: no-AUD; one-criterion orphans (reference group), two-criterion orphans, alcohol abuse, and alcohol dependence. Exploratory factor analysis examined the factor structure of items in the Alcohol Use Disorders and Associated Disabilities Interview Schedule (AUDADIS-IV) relating to each life domains. Factors were related to the diagnosis groups and background covariates using latent variable modeling.


RESULTS
One-criterion orphans did not differ from the other groups with regards to physical illness. One- and two-criterion orphans differed significantly in relation to drinking patterns, with the latter group engaging in hazardous drinking behaviours more frequently. The dependence group were more likely to experience higher estimates of social problems compared to one-criterion orphans. One-criterion orphans were more likely than the abuse group to experience financial problems but less likely than the dependence group to experience family-related legal problems.


CONCLUSIONS
Diagnostic orphans were more impaired than those with no-AUD or alcohol abuse in specific life domains; however, diagnostic orphans were significantly less impaired than those with alcohol dependence. Diagnostic orphans may be an important group for early case identification and intervention.
School of Psychology, University of Ulster, Magee Campus, Northland Road, Co. Londonderry, BT48 7JL, Northern Ireland. mcbride-o@ulster.ac.uk
Orla
O
McBride
Gary
G
Adamson
Brendan P
BP
Bunting
Siobhan
S
McCann
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D017668:Age of Onset; D000368:Aged; D000437:Alcoholism / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology*; D001008:Anxiety Disorders / Q000150:complications / Q000523:psychology; D015897:Comorbidity; D017831:Diagnosis, Dual (Psychiatry); D005260:Female; D006801:Humans; D008016:Life Change Events; D008297:Male; D008875:Middle Aged; D019964:Mood Disorders / Q000150:complications / Q000523:psychology; D011569:Psychiatric Status Rating Scales; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000150:complications / Q000523:psychology; D011795:Surveys and Questionnaires; D014481:United States / Q000453:epidemiology; D055815:Young Adult