{"uid":"cap_D09nFzrrpiZ3LsCp5OpT3","slug":"gds-15-geriatric-depression-scale-calculator-a218751a","name":"GDS-15 Geriatric Depression Scale Calculator","description":"Sheikh 1986 GDS-15: fifteen yes/no items as asked. Reverse-scored (false=1): satisfied_with_life, good_spirits, happy_most_of_time, wonderful_to_be_alive, full_of_energy; other ten score 1 if true. Sum 0-15. No later 0-4/5-9/10+ cutoffs. Not a diagnosis, not PHQ-9, not the 30-item GDS, not a medical device. magent does not interview.","url":"https://api.magentlab.com/api/calc/gds_15","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["satisfied_with_life","dropped_activities","life_empty","often_bored","good_spirits","afraid_something_bad","happy_most_of_time","often_helpless","prefer_stay_home","more_memory_problems","wonderful_to_be_alive","pretty_worthless","full_of_energy","situation_hopeless","most_people_better_off"],"properties":{"life_empty":{"type":"boolean","description":"Do you feel that your life is empty? (Sheikh 1986 GDS-15 item 3). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"often_bored":{"type":"boolean","description":"Do you often get bored? (Sheikh 1986 GDS-15 item 4). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"good_spirits":{"type":"boolean","description":"Are you in good spirits most of the time? (Sheikh 1986 GDS-15 item 5). true or false as assigned by the caller. false is the depression-direction answer and scores 1. magent does not interview the patient."},"full_of_energy":{"type":"boolean","description":"Do you feel full of energy? (Sheikh 1986 GDS-15 item 13). true or false as assigned by the caller. false is the depression-direction answer and scores 1. magent does not interview the patient."},"often_helpless":{"type":"boolean","description":"Do you often feel helpless? (Sheikh 1986 GDS-15 item 8). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"prefer_stay_home":{"type":"boolean","description":"Do you prefer to stay at home, rather than going out and doing new things? (Sheikh 1986 GDS-15 item 9). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"pretty_worthless":{"type":"boolean","description":"Do you feel pretty worthless the way you are now? (Sheikh 1986 GDS-15 item 12). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"dropped_activities":{"type":"boolean","description":"Have you dropped many of your activities and interests? (Sheikh 1986 GDS-15 item 2). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"happy_most_of_time":{"type":"boolean","description":"Do you feel happy most of the time? (Sheikh 1986 GDS-15 item 7). true or false as assigned by the caller. false is the depression-direction answer and scores 1. magent does not interview the patient."},"situation_hopeless":{"type":"boolean","description":"Do you feel that your situation is hopeless? (Sheikh 1986 GDS-15 item 14). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"satisfied_with_life":{"type":"boolean","description":"Are you basically satisfied with your life? (Sheikh 1986 GDS-15 item 1). true or false as assigned by the caller. false is the depression-direction answer and scores 1. magent does not interview the patient."},"afraid_something_bad":{"type":"boolean","description":"Are you afraid that something bad is going to happen to you? (Sheikh 1986 GDS-15 item 6). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"more_memory_problems":{"type":"boolean","description":"Do you feel you have more problems with memory than most? (Sheikh 1986 GDS-15 item 10). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."},"wonderful_to_be_alive":{"type":"boolean","description":"Do you think it is wonderful to be alive now? (Sheikh 1986 GDS-15 item 11). true or false as assigned by the caller. false is the depression-direction answer and scores 1. magent does not interview the patient."},"most_people_better_off":{"type":"boolean","description":"Do you think that most people are better off than you are? (Sheikh 1986 GDS-15 item 15). true or false as assigned by the caller. true is the depression-direction answer and scores 1. magent does not interview the patient."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Iwu0MjsXcVDtZvofUIxpE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Sheikh 1986 Geriatric Depression Scale (GDS-15) total score (0–15) from fifteen yes/no answers, with correct reverse-scoring for positive items.","exampleAgentPrompt":"Score a GDS-15 for a patient where satisfied_with_life=true, dropped_activities=false, life_empty=false, often_bored=false, good_spirits=true, afraid_something_bad=false, happy_most_of_time=true, often_helpless=false, prefer_stay_home=false, more_memory_problems=false, wonderful_to_be_alive=true, pretty_worthless=false, full_of_energy=true, situation_hopeless=false, most_people_better_off=false — give me the Sheikh 1986 GDS-15 total.","exampleUseCases":[{"title":"Geriatric clinic intake screening","prompt":"I just administered the 15-item geriatric depression scale to a patient and recorded their answers: satisfied_with_life=false, dropped_activities=true, life_empty=true, often_bored=true, good_spirits=false, afraid_something_bad=true, happy_most_of_time=false, often_helpless=true, prefer_stay_home=true, more_memory_problems=true, wonderful_to_be_alive=false, pretty_worthless=true, full_of_energy=false, situation_hopeless=true, most_people_better_off=true — what is their GDS-15 total score?"},{"title":"EHR workflow automated scoring","prompt":"For my automated chart documentation, compute the GDS-15 score using these responses: satisfied_with_life=true, dropped_activities=false, life_empty=false, often_bored=false, good_spirits=true, afraid_something_bad=false, happy_most_of_time=true, often_helpless=false, prefer_stay_home=false, more_memory_problems=false, wonderful_to_be_alive=true, pretty_worthless=false, full_of_energy=true, situation_hopeless=false, most_people_better_off=false."},{"title":"Research study data scoring","prompt":"I'm processing survey responses for a study and need the GDS-15 score for a participant who answered: satisfied_with_life=false, dropped_activities=true, life_empty=false, often_bored=true, good_spirits=false, afraid_something_bad=false, happy_most_of_time=false, often_helpless=false, prefer_stay_home=true, more_memory_problems=true, wonderful_to_be_alive=false, pretty_worthless=false, full_of_energy=false, situation_hopeless=false, most_people_better_off=true."}],"resultDescription":"Returns a single integer total score from 0 to 15 representing the sum of depression-direction responses, with five positive items reverse-scored (false=1) and ten negative items scored when true=1, per the Sheikh 1986 GDS-15 algorithm.","failureModes":["Missing any of the 15 required boolean query parameters returns a validation error","Passing non-boolean values for item parameters causes a schema error","Network or payment failure (x402) prevents scoring"],"whenToPreferThis":"Use this endpoint when you need the validated Sheikh 1986 GDS-15 short-form geriatric depression score and already have all 15 yes/no item responses collected externally. It is not a substitute for PHQ-9 scoring, the 30-item GDS, or any diagnostic tool — it only computes the arithmetic total with correct reverse-scoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:03:19.374Z","isFirstParty":false}