{"public_id":"cl_8814eceaa96bf5de04aedaaed8283318","status":"active","superseded_by_public_id":null,"corpus_id":3875869,"text":"The weighted prevalence of visual impairment was 17.17 per 1000 Chinese adults aged 18 years and older.","confidence":0.98,"paper":{"corpus_id":3875869,"title":"Prevalence, Causes and Social Factors of Visual Impairment among Chinese Adults: Based on a National Survey","url":"https://sah.borca.ai/papers/3875869"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.98,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_c52efa914ff7bf7751eb10a58b104b3c","name":"nationally representative population-based cross-sectional study","description":"A cross-sectional survey design using a nationally representative population sample.","types":["study design"],"url":"https://sah.borca.ai/concepts/co_c52efa914ff7bf7751eb10a58b104b3c"},{"public_id":"co_d639102790a947d34f18545287a67e25","name":"Chinese adults","description":"Non-institutionalized adults aged 18 years and older living in mainland China.","types":["population"],"url":"https://sah.borca.ai/concepts/co_d639102790a947d34f18545287a67e25"},{"public_id":"co_f0595efc740fe69bfe10109166a1524b","name":"visual impairment","description":"Reduced visual function in adults, including low vision and blindness as assessed in the survey.","types":["health condition"],"url":"https://sah.borca.ai/concepts/co_f0595efc740fe69bfe10109166a1524b"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_8814eceaa96bf5de04aedaaed8283318"}