{"buyer_scenarios":[{"fit":"best_suited","scenario":"Users weighing up to approximately 350 lb who want a professionally surveyed and installed straight stairlift ."},{"fit":"best_suited","scenario":"Users needing a curved stairlift whose weight falls within the published 300–352 lb range, using the 260 Plus configuration ."},{"fit":"best_suited","scenario":"Buyers prioritizing direct-company support and substantial warranty coverage over maximum bariatric capacity ."},{"fit":"best_suited","scenario":"Buyers who want customization options including fabric, wood trim, and seat configurations, and who value an established manufacturer with a long production history (-9, -1)."},{"fit":"not_best_suited","scenario":"Users at or above 400 lb. No verified current U.S. Stannah model at 400 lb or above was identified (, , kimi:stannahunverified)."},{"fit":"not_best_suited","scenario":"Users requiring a wide bariatric seat or a specifically documented 400+ lb safety rating. Published inside-armrest width is approximately 20.5 inches, narrower than the 22–25 inch widths associated with dedicated…"},{"fit":"not_best_suited","scenario":"Buyers who need a curved stairlift above Stannah's published 352 lb capacity (, -1)."},{"fit":"not_best_suited","scenario":"Buyers who need clearly published U.S. pricing before contacting a dealer (, deepseek:s3)."}],"citations":{"source_mix":{"company_owned":20,"independent":16,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":29,"partial":5},"total_sources":37,"unique_domain_count":19},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Stairlifts for Heavy Users","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","perplexity"],"predicate":"final_consensus_rank","qualifier":"Bariatric & High-Weight Capacity","subject":"Stannah Stairlifts","unit":"rank","value":6},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Stannah Stairlifts","unit":"platforms","value":3},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","grok","perplexity","google"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Stannah Stairlifts","unit":"platforms","value":5},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai"],"predicate":"fit_rating_count","qualifier":"weak","subject":"Stannah Stairlifts","unit":"platforms","value":1},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-26","platform_support":["kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Stannah Stairlifts","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":6.333333333333333,"best_rank":2,"entity_id":"entity-001","entity_type":"company","final_rank":6,"name":"Stannah Stairlifts","platform_mentions":3,"platform_share":0.42857142857142855}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/bariatric-high-weight-capacity/stannah-stairlifts.json","page_url":"https://aginginplaceindex.com/stairlifts/bariatric-high-weight-capacity/stannah-stairlifts","report_type":"fit_review","study_id":"AIPI-STUDY-82EAE3B4357B","title":"Stannah Stairlifts Review for Heavy Users"},"limitations":["Use the run researchdate as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.","All included platforms evaluated fit, but platformmentions counts only platforms that named the entity during ranking discovery.","Do not resolve conflicting product names, pricing, or capabilities by guessing; describe the conflict and tell buyers what to verify.","The supplied URLs were collected from platform responses and were not independently validated by the writer stage.","Company-owned citations materially outnumber independent citations; do not describe company claims as independently verified.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","Citations are platform-reported evidence, not independently verified facts. No-search model claims require explicit verification before being described as current facts."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Aging in Place Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-26 13:11:28.701212+00","research_date":"2026-09-26","source_snapshot_sha256":"cd0ac07e0e09e11da191828265bae47fbe00470954f4b25c2b670f853bff7fd3","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":18,"qualified_finalists":7,"ranking_unit":"Heavy-duty stairlift model and manufacturer"},"schema_version":4,"summary":"Stannah stairlifts is a weak-to-mixed fit for the Bariatric & High-Weight Capacity use case. Three of seven platforms named Stannah during ranking discovery (anthropic, deepseek, perplexity), and no platform rated it a strong fit: openai rated it weak, kimi uncertain, and the remaining five mixed. The strongest reason to consider Stannah is its documented warranty and service structure — lifetime carriage motor and gearbox coverage on new direct-purchase units, plus manufacturer call-out service language (, -2, ). The main limitation is capacity: current U.S. materials top out at 350 lb…","target_buyer":"Bariatric individuals or heavier adults requiring higher weight thresholds and wider seating dimensions","topic":{"base_category":"Stairlifts","category_criteria":["Maximum weight capacity (400+ lbs)","heavy-duty motor performance","seat width","adjustable armrests","reinforced track stability","warranty coverage"],"geography":"United States","slug":"best-stairlifts-for-heavy-users","title":"Best Stairlifts for Heavy Users","use_case":"Bariatric & High-Weight Capacity"}}