{
  "report_id":"120-multi-coach-demand","version":"1.1","status":"validated","period":"2025-01-01/2025-12-31",
  "publication":{"date_published":"2026-07-18","date_modified":"2026-07-20","canonical_url":"https://wodbuster.com/observatorio/segundo-coach-tamano-grupo/","articles":[{"number":209,"id":"209-multi-coach-adoption-by-center-size","path":"articles/segundo-coach-tamano-centro.html","canonical_url":"https://wodbuster.com/observatorio/segundo-coach-tamano-grupo/tamano-centro/"}]},
  "sample":{"centers_with_assignments":1339,"primary_centers":238,"primary_assigned_classes":537011,"primary_multi_coach_classes":76325,"paired_centers":98},
  "primary":{"median_multi_coach_share_pct":6.64,"median_single_coach_attendance":6.0,"median_multi_coach_attendance":8.0,"median_within_center_attendance_difference":2.0},
  "paired_large_vs_small":{"small_group_definition":"0–12 asistentes","large_group_definition":"17 o más asistentes","median_difference_pp":7.07,"bootstrap_95_ci_pp":[3.09,11.49],"p25_pp":-0.50,"p75_pp":27.14},
  "attendance_bands":[
    {"band":"0–4","centers":231,"median_multi_coach_pct":3.54},{"band":"5–8","centers":233,"median_multi_coach_pct":4.60},{"band":"9–12","centers":198,"median_multi_coach_pct":5.56},{"band":"13–16","centers":144,"median_multi_coach_pct":6.52},{"band":"17+","centers":98,"median_multi_coach_pct":16.67}
  ],
  "capacity_bands":[
    {"band":"0–8","centers":148,"median_multi_coach_pct":2.79},{"band":"9–12","centers":162,"median_multi_coach_pct":2.03},{"band":"13–16","centers":136,"median_multi_coach_pct":3.25},{"band":"17–20","centers":107,"median_multi_coach_pct":5.49},{"band":"21+","centers":83,"median_multi_coach_pct":17.23}
  ],
  "multi_coach_adoption_by_active_size": {
    "article_id":"209-multi-coach-adoption-by-center-size",
    "definition":{"any_use":"Al menos una clase con dos o más asignaciones durante 2025.","material_use":"Al menos 20 clases multicoach y el 5 % de las clases con asignaciones."},
    "rules":{"minimum_assigned_classes":100,"minimum_eligible_activity_months":6,"minimum_centers_per_public_band":30},
    "sample":{"centers_with_assignments":1339,"eligible_coach_centers":1032,"joined_centers":981,"join_coverage_pct":95.06},
    "size_bands":[
      {"band":"Menos de 75","centers":198,"median_typical_monthly_active":53.0,"centers_with_any_multi_coach_pct":31.82,"centers_with_20plus_multi_coach_classes_pct":16.16,"centers_with_material_multi_coach_pct":14.14,"median_multi_coach_share_adopters_pct":2.72},
      {"band":"75–149","centers":351,"median_typical_monthly_active":107.5,"centers_with_any_multi_coach_pct":40.46,"centers_with_20plus_multi_coach_classes_pct":17.09,"centers_with_material_multi_coach_pct":9.97,"median_multi_coach_share_adopters_pct":0.90},
      {"band":"150–299","centers":334,"median_typical_monthly_active":196.5,"centers_with_any_multi_coach_pct":52.40,"centers_with_20plus_multi_coach_classes_pct":27.84,"centers_with_material_multi_coach_pct":12.28,"median_multi_coach_share_adopters_pct":1.00},
      {"band":"300 o más","centers":98,"median_typical_monthly_active":364.5,"centers_with_any_multi_coach_pct":67.35,"centers_with_20plus_multi_coach_classes_pct":42.86,"centers_with_material_multi_coach_pct":19.39,"median_multi_coach_share_adopters_pct":1.18}
    ],
    "association":{"spearman_active_vs_multi_coach_share":0.191,"any_use_extreme_gap_percentage_points":35.53,"any_use_bootstrap_95_lower_percentage_points":24.78,"any_use_bootstrap_95_upper_percentage_points":46.25,"material_use_extreme_gap_percentage_points":5.25,"material_use_bootstrap_95_lower_percentage_points":-3.94,"material_use_bootstrap_95_upper_percentage_points":14.89},
    "sensitivity":[
      {"rule":"50 clases asignadas","joined_centers":1026,"any_use_gap_percentage_points":33.01,"material_use_gap_percentage_points":4.85},
      {"rule":"100 clases asignadas","joined_centers":981,"any_use_gap_percentage_points":35.53,"material_use_gap_percentage_points":5.25},
      {"rule":"200 clases asignadas","joined_centers":938,"any_use_gap_percentage_points":38.46,"material_use_gap_percentage_points":6.10},
      {"rule":"12 meses de actividad","joined_centers":760,"any_use_gap_percentage_points":33.30,"material_use_gap_percentage_points":4.60}
    ]
  },
  "quality":{"largest_center_raw_share_pct":1.93,"equal_center_weight_pct":0.42,"tenants_succeeded":2174,"tenants_failed":0,"professional_identifiers_exported":false,"athlete_identifiers_exported":false,"class_identifiers_exported":false,"activity_names_exported":false}
}