{
  "report_id": "173-first-week-attendance-momentum",
  "status": "validated",
  "cohort": "2022-01-01/2025-12-31",
  "observation_cutoff_exclusive": "2026-04-02",
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    "first_week": "Asistencias efectivas desde la primera hasta antes de cumplirse ocho días.",
    "medium_term_continuation": "Al menos una asistencia entre los días 31 y 90 después de la primera.",
    "groups": "Una, dos o tres o más asistencias durante la primera semana."
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            "higher_pct_of_centers": 94.15
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            "higher_pct_of_centers": 82.87
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        }
      },
      "largest_center_share_pct": {
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    },
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      "minimum_participants_each_group": 40,
      "centers": 252,
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      },
      "returned_days_31_to_90_pct": {
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            "p75": 67.48
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              22.78
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            "higher_pct_of_centers": 97.22
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          "3+_minus_1_pp": {
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            "higher_pct_of_centers": 99.6
          },
          "3+_minus_2_pp": {
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            "median": 10.02,
            "p75": 15.36,
            "bootstrap_95_ci_median_pp": [
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              10.98
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            "higher_pct_of_centers": 93.25
          }
        }
      },
      "largest_center_share_pct": {
        "1": 6.47,
        "2": 1.7,
        "3+": 2.39
      }
    }
  },
  "quality": {
    "complete_90_day_followup": true,
    "primary_comparison_weights_each_center_once": true,
    "closed_groups_excluded_from_primary": true,
    "personal_or_center_identifiers_exported": false
  },
  "limitations": [
    "La frecuencia inicial es una asociación y no demuestra que inducir más visitas cause continuidad.",
    "Motivación, producto, actividad, disponibilidad y experiencia previa pueden explicar parte de la diferencia.",
    "El universo comienza en la primera asistencia efectiva; no mide conversión desde el registro hasta esa primera visita."
  ],
  "version": "1.0",
  "publication": {
    "date_published": "2026-07-19",
    "date_modified": "2026-07-19",
    "canonical_url": "https://wodbuster.com/observatorio/dos-visitas-primera-semana-continuidad/"
  }
}