Nonclinical panic attacks in late adolescence prevalence and associated psychopathology.

This study investigated the prevalence of nonclinical panic attacks and associated psychopathology in 576 older adolescents. Nonclinical panic attacks are defined as panic occurring in individuals not seeking treatment. In this study, recent panickers (those reporting at least one nonclinical panic attack in the past month) comprised 12.2% of the sample. Nonpanickers and past panickers comprised 71.4 and 16.5% of the sample, respectively. Recent panickers evidenced significantly higher levels of trait anxiety, state anxiety, and depression, with a trend toward higher levels of anxiety sensitivity and internal negative attributions. This group also reported lower life experiences ratings suggesting higher levels of negative life stress. Finally, 46 recent panickers were administered a structured diagnostic interview, and 31 received a clinical diagnosis. The most common diagnoses were generalized anxiety disorder, social phobia, and specific phobia. Comorbidity rates were high in this sample: 24 of the 31 who received a diagnosis were comorbid with at least one other disorder. Implications of these findings for assessment and treatment are discussed.