Prescription Fill Trends for Depression in Counties at Highest Risk for Seasonal Affective Disorder
Only counties with a complete dataset and in the top quintile for the seasonal affective disorder risk index (SAD) during the winter period (December, January, February) are included in this map. Winter data was aggregated from 2015 to 2020. The color corresponds to the quintile grouping for bupropion XR fill index over the national average. Bupropion XR is the only FDA-approved SAD medication.
The seasonal affective disorder index takes into account days that were cold, dark, overcast, foggy, snowy, and rainy. Cold days are defined as having a maximum temperature below 10C. Dark days are days in which the total number of daylight hours (Global Horizontal Irradiance > 0) is less than one standard deviation from the average for that area. Foggy days are defined as days that had 100% humidity, while cloudy days are those days in which 50% or more of the daylight hours were covered by clouds. Rainy days are defined as days that had greater than 0 precipitation (mm), while snowy days are days that had recorded snow levels greater than or equal to 127 mm (5 inches). Rain and snow data were obtain from ground measurements at the nearest weather stations for a given county. County geographic data was obtained using python CensusGeocode package. Solar and climate data were obtained from NSRDB: National Solar Radiation Database and MeteoStat. The percentages in the tooltip is the average winter percentage for that variable in that county.
The seasonal affective disorder index takes into account days that were cold, dark, overcast, foggy, snowy, and rainy. Cold days are defined as having a maximum temperature below 10C. Dark days are days in which the total number of daylight hours (Global Horizontal Irradiance > 0) is less than one standard deviation from the average for that area. Foggy days are defined as days that had 100% humidity, while cloudy days are those days in which 50% or more of the daylight hours were covered by clouds. Rainy days are defined as days that had greater than 0 precipitation (mm), while snowy days are days that had recorded snow levels greater than or equal to 127 mm (5 inches). Rain and snow data were obtain from ground measurements at the nearest weather stations for a given county. County geographic data was obtained using python CensusGeocode package. Solar and climate data were obtained from NSRDB: National Solar Radiation Database and MeteoStat. The percentages in the tooltip is the average winter percentage for that variable in that county.
Source:
GoodRx
