Table 3.

Comparison of Subjects Who Completed SCID versus Those Who Did Not

VariableMDQ Positive N = 138MDQ Negative N = 511
SCID N = 83No SCID N = 54StatisticPSCID N = 97No SCID N = 415StatisticP
MDQ Score9.92 ± 2.129.02 ± 1.90t = 2.503P =.7513.77 ± 2.304.15 ± 2.76t = −1.232P =.169
Age47.5 ± 11.348.1 ± 11.9t = −0.318P =.75151.0 ± 12.452.2 ± 13.7t = −0.637P =.524
Gender
    Female (%)87.480.4χ2 = 1.209P =.27286.079.7χ2 = 1.983P =.159
Ethnicity
    NHW (%)77.074.580.668.4
    AA (%)13.817.6χ2 = 1.123P =.77111.817.5χ2 = 6.978P =.073
    HIS (%)2.33.97.510.8
Education
    High school graduate (%)87.286.0χ2 = 0.040P =.84189.183.0χ2 = 2.110P =.146
H/O BPD (%)35.630.8χ2 = 0.320P =.57212.011.1χ2 = 0.057P =.811
  • NHW, non-Hispanic white; AA, African American; HIS, Hispanic; H/O BPD, history of bipolar disorder; MDQ, Mood Disorder Questionnaire; SCID, Structured Clinical Interview based on the DSM-IV.