{
  "report_id": "059-frequency-continuity",
  "status": "validated",
  "version": "1.0",
  "publication": {
    "headline": "Los centros con mayor frecuencia recuperan 5,5 puntos más de su base activa al final del año",
    "canonical_url": "https://wodbuster.com/observatorio/frecuencia-continuidad-centros-deportivos/",
    "date_modified": "2026-07-18"
  },
  "period": {"start": "2025-01-01", "end": "2025-12-31"},
  "sample": {"matched_centers": 1782, "full_year_matched_centers": 1545},
  "definitions": {
    "monthly_frequency": "Mediana mensual de asistencias efectivas por participante activo dentro de cada centro.",
    "observed_continuity": "Parte de los participantes activos de Q1 observada también con asistencia efectiva en Q4.",
    "frequency_groups": "Cuatro grupos de frecuencia creados por separado dentro de cada banda de tamaño activo para equilibrar la escala."
  },
  "findings": {
    "low_frequency_median_visits": 6.47,
    "high_frequency_median_visits": 10.44,
    "low_frequency_q1_seen_again_q4_pct": 57.87,
    "high_frequency_q1_seen_again_q4_pct": 63.37,
    "continuity_difference_pp": 5.50,
    "low_frequency_q4_not_active_q1_pct": 43.98,
    "high_frequency_q4_not_active_q1_pct": 38.65,
    "q4_replacement_difference_pp": -5.33,
    "net_growth_difference_pp": -0.61
  },
  "series": {
    "frequency_quartiles": [
      {"group":"Frecuencia baja","centers":446,"median_visits_per_active":6.47,"median_typical_active":143.75,"q1_seen_again_q4_pct":57.87,"q4_not_active_q1_pct":43.98,"q4_vs_q1_change_pct":3.85,"centers_continuity_at_least_60_pct":45.07},
      {"group":"Media-baja","centers":446,"median_visits_per_active":7.92,"median_typical_active":146.75,"q1_seen_again_q4_pct":59.97,"q4_not_active_q1_pct":43.65,"q4_vs_q1_change_pct":5.67,"centers_continuity_at_least_60_pct":50.00},
      {"group":"Media-alta","centers":446,"median_visits_per_active":9.05,"median_typical_active":147.50,"q1_seen_again_q4_pct":61.16,"q4_not_active_q1_pct":42.23,"q4_vs_q1_change_pct":4.23,"centers_continuity_at_least_60_pct":54.93},
      {"group":"Frecuencia alta","centers":444,"median_visits_per_active":10.44,"median_typical_active":145.50,"q1_seen_again_q4_pct":63.37,"q4_not_active_q1_pct":38.65,"q4_vs_q1_change_pct":3.24,"centers_continuity_at_least_60_pct":66.22}
    ],
    "full_year_sensitivity": [
      {"group":"Frecuencia baja","centers":387,"median_visits_per_active":6.73,"q1_seen_again_q4_pct":58.72,"q4_not_active_q1_pct":43.55},
      {"group":"Media-baja","centers":387,"median_visits_per_active":8.17,"q1_seen_again_q4_pct":59.95,"q4_not_active_q1_pct":43.80},
      {"group":"Media-alta","centers":387,"median_visits_per_active":9.24,"q1_seen_again_q4_pct":61.18,"q4_not_active_q1_pct":41.41},
      {"group":"Frecuencia alta","centers":384,"median_visits_per_active":10.55,"q1_seen_again_q4_pct":63.95,"q4_not_active_q1_pct":38.03}
    ]
  },
  "quality": {
    "minimum_active_per_quarter": 50,
    "minimum_active_per_month": 20,
    "minimum_classes_per_month": 20,
    "minimum_eligible_months": 6,
    "maximum_largest_center_q4_share_pct": 2.28
  },
  "privacy": {"personal_identifiers_joined": false, "center_identifiers_exported": false},
  "limitations": [
    "El cruce se realiza a nivel de centro y no sigue a una misma persona entre frecuencia y continuidad.",
    "La asociación no demuestra que entrenar más cause continuidad ni que una base más continua provoque mayor frecuencia.",
    "Actividad, acceso, capacidad, antigüedad y composición pueden explicar parte de la diferencia.",
    "Aparecer en Q1 y Q4 no exige actividad ininterrumpida entre ambos periodos.",
    "La muestra representa centros usuarios de WodBuster y no todo el mercado español."
  ]
}