{"citations":{"source_mix":{"company_owned":13,"independent":22,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":27,"partial":8},"total_sources":35,"unique_domain_count":18},"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 Medical Alert Systems for Couples","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Shared Household & Two-User Protection","subject":"LifeFone","unit":"rank","value":2},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"LifeFone","unit":"platforms","value":7},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-26","platform_support":["openai","grok","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"LifeFone","unit":"platforms","value":3},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-26","platform_support":["anthropic","deepseek","perplexity","kimi"],"predicate":"fit_rating_count","qualifier":"good","subject":"LifeFone","unit":"platforms","value":4}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":2.2857142857142856,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":2,"name":"LifeFone","platform_mentions":7,"platform_share":1}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/medical-alert-systems/shared-household-two-user-protection/lifefone.json","page_url":"https://aginginplaceindex.com/medical-alert-systems/shared-household-two-user-protection/lifefone","report_type":"fit_review","study_id":"AIPI-STUDY-C4C98B0D3935","title":"LifeFone Review for Couples"},"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.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","The deterministic identity audit contains qualification notes that must be disclosed where relevant.","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":"2026-09-27 06:16:38.591978+00","research_date":"2026-09-26","source_snapshot_sha256":"6840f45b1d996e7ff5ea09591d46c63f5610c1f72070a730f86352b0707f5e67","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":16,"qualified_finalists":7,"ranking_unit":"System bundle and service provider"},"schema_version":4,"summary":"LifeFone is a strong fit for older Couples who need two monitored help buttons under one shared at-home account. All seven platforms that named LifeFone during the ranking stage placed it in their couples-focused results, and it finished with an average listed rank of 2.29 and a best rank of 1. Its strongest advantage is free spousal monitoring on the At-Home Cellular and At-Home Landline plans, which includes a second help button at no additional monthly cost (, -3, ). The main limitation is that public materials confirm two monitored buttons but do not clearly document fully separate user…","target_buyer":"Older couples living in the same home who require dual emergency monitoring under a shared account","topic":{"base_category":"Medical alert systems","category_criteria":["Second-pendant discounting","dual-profile monitoring","base station range","individual fall-detection add-ons","overall package value"],"geography":"United States","slug":"best-medical-alert-systems-for-couples","title":"Best Medical Alert Systems for Couples","use_case":"Shared Household & Two-User Protection"}}