Light treatment for seasonal Winter depression in African-American vs Caucasian outpatients

Figure 1 Flow chart showing number of participants from beginning to end of study. SPAQ: Seasonal pattern assessment questionnaire; N: Total sample at beginning of study; n: Population sample at various stages after initial screening; SCID-IV: Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders-IV; SAD: Seasonal Affective Disorder; SIGH-SAD: Structured Interview Guide for the Hamilton rating scale-Seasonal Affective Disorder version.

Figure 2 Graph comparing remission rates between the two groups. SIGH-SAD: Structured Interview Guide for the Hamilton rating scale-Seasonal Affective Disorder version.