{
  "report_id": "185-first-bonus-activation-to-membership",
  "status": "validated",
  "version": "1.0",
  "period": "2019-01-01/2026-07-15",
  "cohort": "2024-01-01/2025-01-01",
  "activation_days": 30,
  "followup_days": 365,
  "definitions": {
    "landmark_cohort": "Primera compra limpia de bono en 2024, sin cuota anterior observada y sin pago de cuota durante los primeros 30 días.",
    "effective_bonus_attendance": "Clase no cancelada, reservada como bono y sin marca final de no asistencia durante los primeros 30 días.",
    "low_activation": "Cero o una asistencia efectiva de bono durante los primeros 30 días.",
    "high_activation": "Cinco o más asistencias efectivas de bono durante los primeros 30 días.",
    "later_conversion": "Primer pago posterior de cuota entre los días 31 y 365 desde la compra inicial."
  },
  "sample": {
    "tenants_attempted": 2174,
    "tenants_succeeded": 2174,
    "tenants_failed": 0,
    "centers_with_landmark_cohort": 1121,
    "eligible_profiles": 26606
  },
  "primary": {
    "minimum_profiles_per_group_per_center": 5,
    "centers": 271,
    "low_activation_profiles": 5639,
    "high_activation_profiles": 5138,
    "windows": {
      "90": {
        "low_activation_mean_pct": 2.79,
        "high_activation_mean_pct": 16.03,
        "paired_difference_mean_percentage_points": 13.24,
        "bootstrap_95_ci_difference_percentage_points": [
          11.4,
          15.21
        ],
        "centers_with_higher_high_activation_pct": 67.53
      },
      "180": {
        "low_activation_mean_pct": 5.09,
        "high_activation_mean_pct": 22.65,
        "paired_difference_mean_percentage_points": 17.57,
        "bootstrap_95_ci_difference_percentage_points": [
          15.37,
          19.86
        ],
        "centers_with_higher_high_activation_pct": 77.49
      },
      "365": {
        "low_activation_mean_pct": 8.07,
        "high_activation_mean_pct": 28.38,
        "paired_difference_mean_percentage_points": 20.32,
        "bootstrap_95_ci_difference_percentage_points": [
          17.96,
          22.82
        ],
        "centers_with_higher_high_activation_pct": 81.55
      }
    }
  },
  "five_band_curve": {
    "minimum_profiles_per_band_per_center": 3,
    "centers": 206,
    "bands": [
      {
        "bonus_attendances_first_30_days": "0",
        "centers": 206,
        "conversion_365_mean_pct": 7.06,
        "bootstrap_95_ci_mean_pct": [
          5.59,
          8.58
        ],
        "median_pct": 0.0
      },
      {
        "bonus_attendances_first_30_days": "1",
        "centers": 206,
        "conversion_365_mean_pct": 8.73,
        "bootstrap_95_ci_mean_pct": [
          7.23,
          10.33
        ],
        "median_pct": 4.4
      },
      {
        "bonus_attendances_first_30_days": "2",
        "centers": 206,
        "conversion_365_mean_pct": 13.06,
        "bootstrap_95_ci_mean_pct": [
          10.99,
          15.25
        ],
        "median_pct": 8.33
      },
      {
        "bonus_attendances_first_30_days": "3-4",
        "centers": 206,
        "conversion_365_mean_pct": 15.46,
        "bootstrap_95_ci_mean_pct": [
          13.64,
          17.32
        ],
        "median_pct": 14.29
      },
      {
        "bonus_attendances_first_30_days": "5+",
        "centers": 206,
        "conversion_365_mean_pct": 27.69,
        "bootstrap_95_ci_mean_pct": [
          24.71,
          30.74
        ],
        "median_pct": 25.0
      }
    ]
  },
  "sensitivity": [
    {
      "minimum_profiles_per_group_per_center": 3,
      "centers": 421,
      "low_activation_profiles": 6876,
      "high_activation_profiles": 6114,
      "windows": {
        "90": {
          "low_activation_mean_pct": 3.17,
          "high_activation_mean_pct": 17.05,
          "paired_difference_mean_percentage_points": 13.88,
          "bootstrap_95_ci_difference_percentage_points": [
            12.09,
            15.69
          ],
          "centers_with_higher_high_activation_pct": 62.71
        },
        "180": {
          "low_activation_mean_pct": 5.92,
          "high_activation_mean_pct": 24.8,
          "paired_difference_mean_percentage_points": 18.88,
          "bootstrap_95_ci_difference_percentage_points": [
            16.71,
            21.04
          ],
          "centers_with_higher_high_activation_pct": 72.92
        },
        "365": {
          "low_activation_mean_pct": 8.64,
          "high_activation_mean_pct": 30.64,
          "paired_difference_mean_percentage_points": 21.99,
          "bootstrap_95_ci_difference_percentage_points": [
            19.64,
            24.39
          ],
          "centers_with_higher_high_activation_pct": 77.67
        }
      }
    },
    {
      "minimum_profiles_per_group_per_center": 10,
      "centers": 114,
      "low_activation_profiles": 3372,
      "high_activation_profiles": 3686,
      "windows": {
        "90": {
          "low_activation_mean_pct": 2.2,
          "high_activation_mean_pct": 13.65,
          "paired_difference_mean_percentage_points": 11.45,
          "bootstrap_95_ci_difference_percentage_points": [
            8.99,
            14.2
          ],
          "centers_with_higher_high_activation_pct": 70.18
        },
        "180": {
          "low_activation_mean_pct": 4.37,
          "high_activation_mean_pct": 19.14,
          "paired_difference_mean_percentage_points": 14.77,
          "bootstrap_95_ci_difference_percentage_points": [
            11.63,
            17.99
          ],
          "centers_with_higher_high_activation_pct": 77.19
        },
        "365": {
          "low_activation_mean_pct": 6.98,
          "high_activation_mean_pct": 24.95,
          "paired_difference_mean_percentage_points": 17.97,
          "bootstrap_95_ci_difference_percentage_points": [
            14.84,
            21.31
          ],
          "centers_with_higher_high_activation_pct": 83.33
        }
      }
    },
    {
      "minimum_profiles_per_group_per_center": 20,
      "centers": 32,
      "low_activation_profiles": 1501,
      "high_activation_profiles": 1990,
      "windows": {
        "90": {
          "low_activation_mean_pct": 2.34,
          "high_activation_mean_pct": 10.5,
          "paired_difference_mean_percentage_points": 8.15,
          "bootstrap_95_ci_difference_percentage_points": [
            4.62,
            12.17
          ],
          "centers_with_higher_high_activation_pct": 62.5
        },
        "180": {
          "low_activation_mean_pct": 4.04,
          "high_activation_mean_pct": 16.43,
          "paired_difference_mean_percentage_points": 12.39,
          "bootstrap_95_ci_difference_percentage_points": [
            7.3,
            17.9
          ],
          "centers_with_higher_high_activation_pct": 75.0
        },
        "365": {
          "low_activation_mean_pct": 6.54,
          "high_activation_mean_pct": 21.92,
          "paired_difference_mean_percentage_points": 15.38,
          "bootstrap_95_ci_difference_percentage_points": [
            9.68,
            21.17
          ],
          "centers_with_higher_high_activation_pct": 81.25
        }
      }
    }
  ],
  "pooled_audit_not_for_headline": {
    "0": {
      "eligible_profiles": 4797,
      "converted_90": 168,
      "converted_180": 291,
      "converted_365": 394,
      "conversion_365_pct": 8.21
    },
    "1": {
      "eligible_profiles": 5090,
      "converted_90": 140,
      "converted_180": 246,
      "converted_365": 396,
      "conversion_365_pct": 7.78
    },
    "2": {
      "eligible_profiles": 3525,
      "converted_90": 176,
      "converted_180": 281,
      "converted_365": 410,
      "conversion_365_pct": 11.63
    },
    "3-4": {
      "eligible_profiles": 6191,
      "converted_90": 434,
      "converted_180": 695,
      "converted_365": 955,
      "conversion_365_pct": 15.43
    },
    "5+": {
      "eligible_profiles": 7003,
      "converted_90": 920,
      "converted_180": 1357,
      "converted_365": 1762,
      "conversion_365_pct": 25.16
    }
  },
  "concentration": {
    "largest_center_share_of_eligible_profiles_pct": 3.65,
    "ten_largest_centers_share_of_eligible_profiles_pct": 13.85
  },
  "quality": {
    "equal_center_weight": true,
    "paired_within_center_comparison": true,
    "bootstrap_iterations": 5000,
    "pooled_result_used_for_headline": false,
    "personal_payment_class_or_center_identifiers_exported": false
  },
  "limitations": [
    "El diseño excluye a quienes ya pasaron a cuota durante los primeros 30 días; describe conversión posterior, no conversión total.",
    "La asistencia de bono es una señal de activación y no demuestra que asistir cause el pago posterior de cuota.",
    "Actividad, motivación, producto, precio y gestión del centro pueden explicar simultáneamente asistencia y conversión.",
    "Un primer pago de cuota no mide permanencia, satisfacción ni rentabilidad posterior."
  ]
}