Table 1

Summary of demographics and clinical characteristics of the population: by self-reported diagnosis cohort
Variable Total Group (N=1,047) Anxiety (N=218) Depression (N=221) ADHD (N=206) Manic Depressive (N=195) Control (N=207)
Gender (% female) 59.6% 59.6% 59.3% 51.0% 66.2% 62.3%
Age, years (SD) 51.4 (16.5) 50.3 (17.7) 51.4 (17.1) 51.5 (14.4) 52.1 (12.1) 51.5 (19.7)
Ethnicity (% Caucasian) 84.1% 88.5% 81.5% 87.3% 89.2% 73.0%
Education (% completed high school) 98.5% 97.6% 99.5% 98.5% 98.5% 98.5%
Income (mode) $35,000 to $49,000 $35,000 to $49,000 $35,000 to $49,000 $50,000 to $74,000 $35,000 to $49,000 $35,000 to $49,000
PDI-4 GAD, mean (SD) 7.0 (3.6) 8.0 (3.5) 7.2 (3.0) 7.3 (3.4) 8.5 (3.3) 4.2 (3.2)
PDI-4 MDE, mean (SD) 5.9 (3.9) 6.7 (3.8) 6.5 (3.3) 5.8 (3.7) 7.9 (3.9) 2.9 (2.9)
PDI-4 ADHD, mean (SD) 4.9 (3.1) 4.9 (2.9) 4.8 (2.7) 5.8 (2.9) 6.4 (3.2) 2.8 (2.5)
PDI-4 Mania, mean (SD) 5.2 (3.7) 4.7 (3.1) 4.3 (3.1) 6.4 (3.5) 7.9 (3.8) 3.1 (2.9)

Abbreviations: ADHD = attention deficit hyperactivity disorder; GAD = generalized anxiety disorder; MDE = major depressive episode; PDI-4 = Provisional Diagnostic Instrument; SD = standard deviation.

Faries et al.

Faries et al. BMC Family Practice 2012 13:104   doi:10.1186/1471-2296-13-104

Open Data