{
  "report_id": "049-active-participant-age",
  "status": "validated",
  "version": "1.3",
  "publication": {
    "headline": "Dos de cada tres participantes activos con edad conocida tienen entre 25 y 44 años",
    "canonical_url": "https://wodbuster.com/observatorio/edad-participantes-centros-deportivos/",
    "date_modified": "2026-07-18"
  },
  "articles": [
    {
      "id": "age-training-frequency",
      "headline": "Los participantes mayores de 45 registran 1,12 visitas más al mes que los menores de 25",
      "path": "articles/frecuencia-por-edad.html",
      "status": "validated"
    },
    {
      "id": "age-regions",
      "headline": "El peso de 25 a 44 años cambia seis puntos entre Madrid y Comunidad Valenciana",
      "path": "articles/edad-por-comunidades.html",
      "status": "validated"
    },
    {
      "id": "age-schedule",
      "headline": "La noche pesa diez puntos más entre menores de 25 que entre mayores de 45",
      "path": "articles/horarios-por-edad.html",
      "status": "validated"
    }
  ],
  "period": {"start": "2025-01-01", "end": "2025-12-31", "age_at": "2025-07-01"},
  "sample": {
    "tenants_attempted": 2174,
    "tenants_succeeded": 2174,
    "tenants_failed": 0,
    "centers_with_activity": 2161,
    "eligible_centers": 880,
    "participant_center_records": 359644,
    "known_age_records": 226035,
    "known_age_coverage_pct": 62.85
  },
  "findings": {
    "age_25_44_pct": 67.83,
    "largest_band": "25–34 años",
    "largest_band_pct": 38.61,
    "age_35_44_pct": 29.22,
    "age_45_plus_pct": 18.93,
    "age_under_25_pct": 13.24,
    "typical_center_age_25_44_pct": 69.16,
    "under_25_median_monthly_visits": 8.895,
    "age_45_plus_median_monthly_visits": 9.753,
    "paired_under_25_to_45_plus_centers": 539,
    "paired_under_25_to_45_plus_difference": 1.123,
    "paired_centers_age_45_plus_higher_pct": 74.77,
    "regional_published_communities": 9,
    "regional_published_centers": 766,
    "regional_known_age_records": 195475,
    "madrid_age_25_44_pct": 73.60,
    "valencian_age_25_44_pct": 67.54,
    "madrid_valencian_difference_pp": 6.06,
    "schedule_eligible_centers": 1225,
    "schedule_known_age_attendances": 16963506,
    "paired_schedule_centers": 1004,
    "under_25_evening_share_pct": 32.28,
    "age_45_plus_evening_share_pct": 22.34,
    "under_25_evening_advantage_pp": 9.90,
    "centers_under_25_evening_higher_pct": 77.29,
    "age_45_plus_early_advantage_pp": 5.23,
    "centers_age_45_plus_early_higher_pct": 70.02
  },
  "series": {
    "age_distribution_pct": [
      {"band": "Menores de 18", "pct": 4.02},
      {"band": "18–24", "pct": 9.22},
      {"band": "25–34", "pct": 38.61},
      {"band": "35–44", "pct": 29.22},
      {"band": "45–54", "pct": 14.56},
      {"band": "55–64", "pct": 3.67},
      {"band": "65 o más", "pct": 0.70}
    ],
    "coverage_sensitivity": [
      {"minimum_coverage_pct": 50, "centers": 880, "known_age_records": 226035, "age_25_44_pct": 67.83},
      {"minimum_coverage_pct": 60, "centers": 431, "known_age_records": 125607, "age_25_44_pct": 65.67},
      {"minimum_coverage_pct": 70, "centers": 189, "known_age_records": 63913, "age_25_44_pct": 61.77}
    ],
    "monthly_frequency_by_age": [
      {"band": "Menores de 25", "centers": 602, "median_visits_per_active_month": 8.895},
      {"band": "25–34", "centers": 1037, "median_visits_per_active_month": 9.381},
      {"band": "35–44", "centers": 1051, "median_visits_per_active_month": 9.535},
      {"band": "45 o más", "centers": 964, "median_visits_per_active_month": 9.753}
    ],
    "frequency_sensitivity": [
      {"minimum_participant_months_per_band": 50, "paired_centers": 853, "median_difference_visits": 1.160, "age_45_plus_higher_pct": 73.62},
      {"minimum_participant_months_per_band": 100, "paired_centers": 539, "median_difference_visits": 1.123, "age_45_plus_higher_pct": 74.77},
      {"minimum_participant_months_per_band": 200, "paired_centers": 198, "median_difference_visits": 1.317, "age_45_plus_higher_pct": 81.31}
    ],
    "age_by_community": [
      {"community": "Comunidad de Madrid", "centers": 124, "known_age_records": 33178, "under_25_pct": 6.84, "age_25_44_pct": 73.60, "age_45_plus_pct": 17.68, "median_coverage_pct": 62.83},
      {"community": "Canarias", "centers": 38, "known_age_records": 8086, "under_25_pct": 12.01, "age_25_44_pct": 72.73, "age_45_plus_pct": 13.67, "median_coverage_pct": 60.07},
      {"community": "Castilla y León", "centers": 27, "known_age_records": 6940, "under_25_pct": 9.89, "age_25_44_pct": 71.60, "age_45_plus_pct": 16.84, "median_coverage_pct": 61.00},
      {"community": "Andalucía", "centers": 278, "known_age_records": 72128, "under_25_pct": 11.11, "age_25_44_pct": 70.41, "age_45_plus_pct": 16.11, "median_coverage_pct": 58.25},
      {"community": "Castilla-La Mancha", "centers": 31, "known_age_records": 7288, "under_25_pct": 9.29, "age_25_44_pct": 70.34, "age_45_plus_pct": 18.18, "median_coverage_pct": 57.04},
      {"community": "Islas Baleares", "centers": 33, "known_age_records": 6986, "under_25_pct": 10.78, "age_25_44_pct": 68.65, "age_45_plus_pct": 20.57, "median_coverage_pct": 59.39},
      {"community": "Cataluña", "centers": 58, "known_age_records": 14917, "under_25_pct": 11.87, "age_25_44_pct": 68.29, "age_45_plus_pct": 14.84, "median_coverage_pct": 61.23},
      {"community": "Galicia", "centers": 27, "known_age_records": 6185, "under_25_pct": 9.84, "age_25_44_pct": 67.60, "age_45_plus_pct": 20.22, "median_coverage_pct": 61.21},
      {"community": "Comunidad Valenciana", "centers": 150, "known_age_records": 39767, "under_25_pct": 10.96, "age_25_44_pct": 67.54, "age_45_plus_pct": 17.74, "median_coverage_pct": 59.76}
    ],
    "regional_coverage_sensitivity": [
      {"community": "Comunidad de Madrid", "primary_age_25_44_pct": 73.60, "strict_centers": 72, "strict_age_25_44_pct": 72.55},
      {"community": "Comunidad Valenciana", "primary_age_25_44_pct": 67.54, "strict_centers": 74, "strict_age_25_44_pct": 64.73}
    ],
    "attendance_schedule_by_age": [
      {"band": "Menores de 25", "centers": 1042, "before_09_pct": 7.07, "from_09_to_11_pct": 20.26, "from_12_to_15_pct": 3.94, "from_16_to_18_pct": 27.77, "from_19_pct": 32.28},
      {"band": "25–34", "centers": 1186, "before_09_pct": 10.07, "from_09_to_11_pct": 21.32, "from_12_to_15_pct": 4.19, "from_16_to_18_pct": 28.57, "from_19_pct": 30.46},
      {"band": "35–44", "centers": 1199, "before_09_pct": 12.52, "from_09_to_11_pct": 24.47, "from_12_to_15_pct": 5.00, "from_16_to_18_pct": 29.74, "from_19_pct": 21.69},
      {"band": "45 o más", "centers": 1167, "before_09_pct": 14.21, "from_09_to_11_pct": 21.57, "from_12_to_15_pct": 3.62, "from_16_to_18_pct": 29.83, "from_19_pct": 22.34}
    ],
    "schedule_sensitivity": [
      {"minimum_attendances_per_age_band": 100, "paired_centers": 1135, "under_25_evening_advantage_pp": 9.59, "age_45_plus_early_advantage_pp": 4.60},
      {"minimum_attendances_per_age_band": 250, "paired_centers": 1004, "under_25_evening_advantage_pp": 9.90, "age_45_plus_early_advantage_pp": 5.23},
      {"minimum_attendances_per_age_band": 500, "paired_centers": 798, "under_25_evening_advantage_pp": 10.72, "age_45_plus_early_advantage_pp": 5.82}
    ]
  },
  "quality": {
    "minimum_participants_per_center": 100,
    "minimum_known_age_coverage_pct": 50,
    "all_tenants_succeeded": true,
    "dominant_band_stable_in_sensitivity_tests": true,
    "minimum_centers_per_published_community": 20,
    "minimum_known_ages_per_published_community": 2000,
    "maximum_largest_center_regional_share_pct": 10
  },
  "privacy": {
    "personal_identifiers_stored": false,
    "birth_dates_stored": false,
    "only_age_bands_stored": true,
    "center_identifiers_exported": false
  },
  "limitations": [
    "El resultado solo describe participantes activos con fecha de nacimiento informada.",
    "La ausencia de edad puede no ser aleatoria y limita la generalización.",
    "La unidad es participante-centro: una persona activa en varios centros puede aparecer en más de uno.",
    "La muestra representa centros usuarios de WodBuster y no todo el mercado español.",
    "La distribución observada no prescribe qué público debe atender un centro."
  ]
}