{"id": 1206448, "name": "Blood lead concentration (1-5 year olds)", "unit": "\u00b5g/dL", "description": "This measures the median and 95th percentile of lead blood concentrations in 1-5 year olds in the United States.", "createdAt": "2026-03-05T10:16:24.000Z", "updatedAt": "2026-05-18T08:49:18.000Z", "coverage": "", "timespan": "1978-2016", "datasetId": 7438, "shortUnit": "\u00b5g/dL", "columnOrder": 0, "shortName": "blood_lead_concentration__1_5_year_olds", "catalogPath": "grapher/health/2021/lead_blood_concentrations_in_usa__us_cdc/lead_blood_concentrations_in_usa__us_cdc#blood_lead_concentration__1_5_year_olds", "type": "float", "dataChecksum": "14308091561125950044", "metadataChecksum": "-6508907226400312555", "datasetName": "Lead blood concentrations in USA (US CDC)", "datasetVersion": "2021", "nonRedistributable": false, "display": {"name": "Lead blood concentrations in children", "unit": "\u00b5g/dL", "shortUnit": "\u00b5g/dL"}, "schemaVersion": 2, "presentation": {}, "dimensions": {"years": {"values": [{"id": 1978}, {"id": 1990}, {"id": 1993}, {"id": 2000}, {"id": 2002}, {"id": 2004}, {"id": 2006}, {"id": 2008}, {"id": 2010}, {"id": 2012}, {"id": 2014}, {"id": 2016}]}, "entities": {"values": [{"id": 239591, "name": "95th percentile", "code": null}, {"id": 239590, "name": "Median", "code": null}]}}, "origins": [{"id": 14935, "title": "Lead blood concentrations in USA", "description": "This measures the median and 95th percentile of lead blood concentrations in 1-5 year olds in the United States from the 1970s onwards.\n\n- Data is obtained from an ongoing continuous survey conducted by the National Center for Health Statistics.\n- Survey data are representative of the U.S. general population.\n- Lead is measured in blood samples obtained from individual survey participants.", "producer": "Centers for Disease Control and Prevention", "citationFull": "Centers for Disease Control and Prevention, National Center for Health Statistics, and National Center for Environmental Health. National Health and Nutrition Examination Survey (2021).", "attributionShort": "CDC", "urlMain": "https://www.epa.gov/americaschildrenenvironment/ace-biomonitoring-lead", "dateAccessed": "2021-01-01", "datePublished": "2021"}]}