{"schema":"diseasemaps.public-dataset","version":"1.0","dataset":"disease_symptoms","generatedAt":"2026-07-13T04:45:57+00:00","data":{"disease":{"slug":"narcolepsy","name":"Narcolepsy"},"reportingCohortSizeLowerBound":75,"editorialQuarter":"2026-Q2","symptoms":[{"slug":"cataplexy","name":"Cataplexy","respondentCountLowerBound":35,"prevalencePercent":50,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":30,"mean":3}},{"slug":"excessive-daytime-sleepiness","name":"Excessive daytime sleepiness","respondentCountLowerBound":35,"prevalencePercent":50,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":35,"mean":4}},{"slug":"sleep-attacks-daytime","name":"Sleep attacks (daytime)","respondentCountLowerBound":15,"prevalencePercent":20,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":15,"mean":4}},{"slug":"sleep-paralysis","name":"Sleep paralysis","respondentCountLowerBound":10,"prevalencePercent":15,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":10,"mean":2.5}},{"slug":"daytime-sleepiness","name":"Daytime sleepiness","respondentCountLowerBound":10,"prevalencePercent":15,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":10,"mean":4.5}},{"slug":"brain-fog","name":"Brain fog","respondentCountLowerBound":10,"prevalencePercent":15,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":10,"mean":3.5}},{"slug":"falling-asleep-at-inappropriate-times-and-places","name":"Falling asleep at inappropriate times and places","respondentCountLowerBound":10,"prevalencePercent":15,"severity":{"scale":{"min":0,"max":5,"higherIsMoreSevere":true},"nLowerBound":null,"mean":null}}]},"methodology":{"minimumRespondentsPerSymptom":10,"publicCountBandSize":5,"publicValues":"Counts are lower bounds rounded down to groups of five, prevalence to five percentage points and mean severity to half a scale point. Severity is separately suppressed unless ten valid levels exist.","denominator":"Active users with at least one active symptom report explicitly scoped to this disease; the documented single-disease rule remains only for legacy rows.","deduplication":"One current report per person and symptom, selected by report date and then row order.","diseaseAssignment":"New reports store disease context directly. Legacy rows without that field are included only for people with exactly one active patient-disease marker, preventing a report from being copied into several cohorts.","prevalenceDefinition":"Respondents reporting the symptom divided by symptom-reporting respondents for this disease.","biasWarning":"This is a voluntary community sample and must not be interpreted as clinical or population prevalence.","releaseWindow":"Only completed calendar quarters are included; the public contract exposes an editorial quarter, never an exact contribution date.","personalData":"Cells below ten respondents are suppressed and published values are banded; no exact contribution date, user identifier, coordinate, email or free text is returned."},"license":{"name":"DiseaseMaps public API terms not yet specified","url":null,"notice":"Public access does not by itself grant an open-data licence. Contact DiseaseMaps before redistribution or commercial reuse."}}