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Table 2 Demographic Characteristics of Patients (N = 18,609) Included in This Analysis.

From: A retrospective claims analysis of combination therapy in the treatment of adult attention-deficit/hyperactivity disorder (ADHD)

Variable Percentage
Age in Years  
18–24 38.33%
25–44 34.99%
45 and older 26.68%
Gender  
Male 54.44%
Female 45.56%
Prior Claim Diagnoses (ICD9-CM codes)  
ADHD Hyperactive Type (314.01) 30.91%
Psychotic Disorders (295, 297, 298) 1.30%
Bipolar/Mania  
(296.0, 296.1, 296.4, 296.5 – 8,301.13) 5.63%
Depression (296.2, 296.3, 300.4, 311) 38.48%
Anxiety States (300) 19.85%
Personality Disorders (301) 1.98%
Tics/Tourette's (307.2) 0.40%
Substance Abuse/Dependence (303 – 305) 10.80%
Eating Disorders (307.1, 307.50 – 307.51) 0.87%
Psychiatric Visit in Prior 6 Months 24.88%
Payer Type  
Commercial Plan 92.04%
Medicaid 2.72%
Self-Insured 2.91%
Other/Unknown 2.33%
Plan Type  
HMO 49.13%
Preferred Provider 31.65%
Point of Service 12.66%
Indemnity 4.33%
Other/Unknown 2.24%
Region  
Midwest 56.08%
South 25.43%
East 12.14%
West 6.35%