{
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  "category": "other",
  "question": "What is the Mifflin-St Jeor basal metabolic rate for a 30-year-old male weighing 80 kg and 180 cm tall?",
  "answer": "1780 kcal/day",
  "askedBy": {
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  "answeredBy": "method",
  "madeAt": "2026-09-30T22:39:30.722Z",
  "validUntil": null,
  "validityClass": "forever",
  "sources": [
    {
      "label": "A new predictive equation for resting energy expenditure in healthy individuals",
      "url": null
    }
  ],
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  "source": {
    "kind": "doi",
    "value": "10.1093/ajcn/51.2.241",
    "retrieved_utc": "2026-09-30T19:05:00Z"
  },
  "qsha256": "b305dc29125af039a9f4fda1f588fd8ba19c033b65137be6afe886c9c7b0463e",
  "runOne": null,
  "cardContractVersion": "card_contract/1",
  "deck_id": "method-deck",
  "deck_title": "Method Deck",
  "method": {
    "name": "Basal metabolic rate (Mifflin-St Jeor)",
    "version": "1",
    "source_url_or_file": "methods/bmr-mifflin-st-jeor.cjs",
    "sha256_of_method_file": "2218241f8af8733f0fbb46b1185e53139eec2635a0a80b55fdf7cc42650cb275"
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  "receipt": {
    "inSubstrate": false,
    "local": true,
    "modelCallsAtMint": 0,
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  },
  "method_deck": {
    "inputs": [
      {
        "name": "sex",
        "type": "string",
        "required": true,
        "description": "Biological sex used by the equation",
        "enum": [
          "male",
          "female"
        ]
      },
      {
        "name": "weight_kg",
        "type": "number",
        "unit": "kg",
        "required": true,
        "description": "Body weight in kilograms",
        "min": 0
      },
      {
        "name": "height_cm",
        "type": "number",
        "unit": "cm",
        "required": true,
        "description": "Height in centimeters",
        "min": 0
      },
      {
        "name": "age_years",
        "type": "number",
        "unit": "years",
        "required": true,
        "description": "Age in years",
        "min": 0
      }
    ],
    "outputs": [
      {
        "name": "bmr",
        "unit": "kcal/day",
        "description": "Estimated basal metabolic rate"
      }
    ],
    "steps": [
      "For males: bmr = 10 * weight_kg + 6.25 * height_cm - 5 * age_years + 5.",
      "For females: bmr = 10 * weight_kg + 6.25 * height_cm - 5 * age_years - 161.",
      "Round the result to the nearest whole kcal/day."
    ],
    "constants": [
      {
        "name": "weight_coefficient",
        "value": 10,
        "unit": "kcal per kg",
        "source": 0
      },
      {
        "name": "height_coefficient",
        "value": 6.25,
        "unit": "kcal per cm",
        "source": 0
      },
      {
        "name": "age_coefficient",
        "value": -5,
        "unit": "kcal per year",
        "source": 0
      },
      {
        "name": "male_offset",
        "value": 5,
        "unit": "kcal",
        "source": 0
      },
      {
        "name": "female_offset",
        "value": -161,
        "unit": "kcal",
        "source": 0
      }
    ],
    "examples": [
      {
        "name": "worked example",
        "inputs": {
          "sex": "male",
          "weight_kg": 80,
          "height_cm": 180,
          "age_years": 30
        },
        "expected": {
          "answer": "1780 kcal/day"
        },
        "check": "10*80 + 6.25*180 - 5*30 + 5 = 800 + 1125 - 150 + 5 = 1780."
      },
      {
        "name": "test vector: female",
        "inputs": {
          "sex": "female",
          "weight_kg": 60,
          "height_cm": 165,
          "age_years": 40
        },
        "expected": {
          "answer": "1270 kcal/day"
        },
        "check": "10*60 + 6.25*165 - 5*40 - 161 = 600 + 1031.25 - 200 - 161 = 1270.25, rounds to 1270."
      }
    ],
    "disclaimer": "General formula only. Not medical advice. Dosing decisions belong to a licensed clinician and the product's label.",
    "deck_category": "health"
  },
  "status": "minted",
  "kind": "method",
  "provenanceClass": "own_question",
  "provenance": {
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    "chain": [
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        "source": {
          "kind": "doi",
          "value": "10.1093/ajcn/51.2.241",
          "retrieved_utc": "2026-09-30T19:05:00Z"
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        "sha256": "a5188c37d52cf720986fcd3f6894d13762cc2f464ff32a72f51c3dd088f8d1e6",
        "supersedes": null,
        "added_utc": "2026-09-30T22:39:30.722Z",
        "added_by": "method:Basal metabolic rate (Mifflin-St Jeor)",
        "why": "the method that computed this answer",
        "check": null,
        "status_label": "pending",
        "signature": null
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    ]
  }
}