{
  "report_id": "178-zero-use-membership-outcomes",
  "status": "validated",
  "version": "1.2",
  "period": "2025-01-01/2026-07-15",
  "sample": {
    "tenants_processed": 2174,
    "tenants_failed": 0,
    "centers_with_eligible_payments": 1985,
    "centers_in_primary_comparison": 1839,
    "monthly_payments": 2275873,
    "zero_use_monthly_payments": 238348
  },
  "definitions": {
    "zero_use": "Mensualidad estándar terminada sin ninguna asistencia efectiva durante su vigencia.",
    "continued_next_month": "Existe un pago de tarifa correspondiente al mes siguiente.",
    "one_month_pause": "Falta exactamente un mes pagado y se observa un pago posterior.",
    "reactivated_after_break": "Faltan dos o más meses pagados y se observa un pago posterior.",
    "no_later_payment_observed": "No se observa otro pago de tarifa hasta el 15 de julio de 2026; no equivale a una baja contractual."
  },
  "primary": {
    "method": "Media de los porcentajes internos de cada centro; cada centro pesa una vez.",
    "minimum_zero_use_payments_per_center": 1,
    "minimum_active_use_payments_per_center": 50,
    "centers": 1839,
    "outcome_share_pct": {
      "zero_use": {
        "continued_next_month": {"mean": 49.28, "bootstrap_95_ci_mean": [48.22, 50.34]},
        "one_month_pause": {"mean": 8.13, "bootstrap_95_ci_mean": [7.73, 8.53]},
        "reactivated_after_break": {"mean": 9.37, "bootstrap_95_ci_mean": [8.93, 9.84]},
        "no_later_payment_observed": {"mean": 33.22, "bootstrap_95_ci_mean": [32.27, 34.20]}
      },
      "active_use": {
        "continued_next_month": {"mean": 80.96, "bootstrap_95_ci_mean": [80.48, 81.44]},
        "one_month_pause": {"mean": 6.23, "bootstrap_95_ci_mean": [6.04, 6.44]},
        "reactivated_after_break": {"mean": 4.59, "bootstrap_95_ci_mean": [4.42, 4.78]},
        "no_later_payment_observed": {"mean": 8.21, "bootstrap_95_ci_mean": [7.92, 8.51]}
      }
    },
    "paired_zero_minus_active_percentage_points": {
      "continued_next_month": {"mean": -31.69, "bootstrap_95_ci_mean": [-32.62, -30.74], "centers_with_higher_zero_use_share_pct": 3.75},
      "one_month_pause": {"mean": 1.89, "bootstrap_95_ci_mean": [1.51, 2.29], "centers_with_higher_zero_use_share_pct": 58.73},
      "reactivated_after_break": {"mean": 4.78, "bootstrap_95_ci_mean": [4.34, 5.24], "centers_with_higher_zero_use_share_pct": 72.65},
      "no_later_payment_observed": {"mean": 25.01, "bootstrap_95_ci_mean": [24.10, 25.86], "centers_with_higher_zero_use_share_pct": 95.27}
    }
  },
  "sensitivity_continuity_difference_percentage_points": [
    {"minimum_zero_use": 5, "minimum_active_use": 50, "centers": 1734, "mean": -30.64, "bootstrap_95_ci_mean": [-31.56, -29.75]},
    {"minimum_zero_use": 10, "minimum_active_use": 100, "centers": 1525, "mean": -29.24, "bootstrap_95_ci_mean": [-30.15, -28.33]},
    {"minimum_zero_use": 20, "minimum_active_use": 100, "centers": 1204, "mean": -26.21, "bootstrap_95_ci_mean": [-27.12, -25.28]}
  ],
  "first_observed_vs_repeat_zero_use": {
    "centers": 1516,
    "minimum_first_observed_zero_use_per_center": 1,
    "minimum_repeat_zero_use_per_center": 5,
    "continued_next_month": {
      "first_observed_mean_pct": 31.08,
      "repeat_mean_pct": 57.87,
      "paired_difference_mean_percentage_points": -26.78,
      "bootstrap_95_ci_mean_percentage_points": [-28.22, -25.30]
    },
    "no_later_payment_observed": {
      "first_observed_mean_pct": 58.35,
      "repeat_mean_pct": 23.28,
      "paired_difference_mean_percentage_points": 35.07,
      "bootstrap_95_ci_mean_percentage_points": [33.52, 36.64]
    },
    "sensitivity_continuity": [
      {"minimum_first_observed": 3, "minimum_repeat": 10, "centers": 1076, "difference_mean_percentage_points": -25.96},
      {"minimum_first_observed": 5, "minimum_repeat": 20, "centers": 734, "difference_mean_percentage_points": -25.53}
    ]
  },
  "continuity_difference_by_community": {
    "minimum_centers_per_community": 30,
    "published_communities": 14,
    "regions": [
      {"community": "Asturias", "centers": 32, "zero_use_continuity_mean_pct": 42.85, "active_use_continuity_mean_pct": 82.52, "difference_mean_percentage_points": -39.68, "bootstrap_95_ci_mean": [-47.91, -31.50]},
      {"community": "Canarias", "centers": 119, "zero_use_continuity_mean_pct": 41.84, "active_use_continuity_mean_pct": 80.00, "difference_mean_percentage_points": -38.16, "bootstrap_95_ci_mean": [-42.25, -34.07]},
      {"community": "Castilla y León", "centers": 42, "zero_use_continuity_mean_pct": 43.52, "active_use_continuity_mean_pct": 80.63, "difference_mean_percentage_points": -37.11, "bootstrap_95_ci_mean": [-43.96, -30.50]},
      {"community": "Castilla-La Mancha", "centers": 82, "zero_use_continuity_mean_pct": 47.67, "active_use_continuity_mean_pct": 81.97, "difference_mean_percentage_points": -34.30, "bootstrap_95_ci_mean": [-38.76, -29.82]},
      {"community": "Extremadura", "centers": 39, "zero_use_continuity_mean_pct": 47.66, "active_use_continuity_mean_pct": 80.46, "difference_mean_percentage_points": -32.80, "bootstrap_95_ci_mean": [-38.85, -26.54]},
      {"community": "Región de Murcia", "centers": 85, "zero_use_continuity_mean_pct": 44.06, "active_use_continuity_mean_pct": 76.75, "difference_mean_percentage_points": -32.69, "bootstrap_95_ci_mean": [-37.07, -28.55]},
      {"community": "Andalucía", "centers": 626, "zero_use_continuity_mean_pct": 47.44, "active_use_continuity_mean_pct": 80.04, "difference_mean_percentage_points": -32.60, "bootstrap_95_ci_mean": [-34.20, -31.00]},
      {"community": "Comunidad Valenciana", "centers": 309, "zero_use_continuity_mean_pct": 47.97, "active_use_continuity_mean_pct": 79.40, "difference_mean_percentage_points": -31.43, "bootstrap_95_ci_mean": [-33.81, -29.05]},
      {"community": "Islas Baleares", "centers": 67, "zero_use_continuity_mean_pct": 51.41, "active_use_continuity_mean_pct": 82.13, "difference_mean_percentage_points": -30.71, "bootstrap_95_ci_mean": [-35.87, -25.60]},
      {"community": "Comunidad de Madrid", "centers": 203, "zero_use_continuity_mean_pct": 53.06, "active_use_continuity_mean_pct": 82.64, "difference_mean_percentage_points": -29.57, "bootstrap_95_ci_mean": [-32.12, -27.05]},
      {"community": "País Vasco", "centers": 32, "zero_use_continuity_mean_pct": 56.82, "active_use_continuity_mean_pct": 84.96, "difference_mean_percentage_points": -28.14, "bootstrap_95_ci_mean": [-34.31, -22.09]},
      {"community": "Galicia", "centers": 45, "zero_use_continuity_mean_pct": 62.11, "active_use_continuity_mean_pct": 85.59, "difference_mean_percentage_points": -23.48, "bootstrap_95_ci_mean": [-27.18, -19.84]},
      {"community": "Aragón", "centers": 30, "zero_use_continuity_mean_pct": 61.23, "active_use_continuity_mean_pct": 84.56, "difference_mean_percentage_points": -23.33, "bootstrap_95_ci_mean": [-31.11, -16.33]},
      {"community": "Cataluña", "centers": 94, "zero_use_continuity_mean_pct": 66.19, "active_use_continuity_mean_pct": 87.57, "difference_mean_percentage_points": -21.38, "bootstrap_95_ci_mean": [-24.49, -18.54]}
    ],
    "range_percentage_points": 18.30,
    "sensitivity_minimum_5_zero_50_active": {"range_percentage_points": 15.80, "extreme_intervals_do_not_overlap": true}
  },
  "quality": {
    "equal_center_weight": true,
    "paired_within_center_comparison": true,
    "bootstrap_iterations": 5000,
    "pooled_result_used_for_headline": false,
    "personal_payment_or_center_identifiers_exported": false
  },
  "limitations": [
    "La ausencia de pagos posteriores es una inferencia analítica y no una baja contractual registrada.",
    "La comparación es descriptiva y no demuestra que la falta de asistencia cause el desenlace posterior.",
    "Una mensualidad sin uso puede reflejar lesiones, viajes, pausas u otras circunstancias no observadas.",
    "El primer pago observado desde 2019 puede no ser el primer pago histórico real del cliente."
  ]
}