{
  "boundaries": [
    "Whole-record vertical RMS and detected-shock ratio intervals cross one.",
    "Localized magnitude RMS remains a separate V8 sample-window endpoint with date-bootstrap intervals.",
    "Sparse BC-01 FrontSeat 7/pain=0 and BackSeat 2/pain=1 labels are separate context, not causal seat effects.",
    "This freeze has exploratory Back N=3 and insufficient materialized physiology; do not pool its populations with BC-01 or V3."
  ],
  "experiment": "MOBILITY-200HZ-01",
  "interval_method": "Frozen 5000 within-cohort session-resampled median-ratio bootstrap draws, seed 2002026. Not a date-block bootstrap; repeated-date dependence limits inference.",
  "population": "25 Bus and 7 governed SilverRide Front sessions; repeated observations of one person",
  "publication_state": "LOCAL_REVIEW_NOT_DEPLOYED",
  "schema": "handicapskater.corrected_body_coupling.v1",
  "scientific_recomputation": false,
  "source_artifact": "analysis/mobility_200hz/runs/MOBILITY-200HZ-01/TRANSPORTATION_200HZ_FREEZE.json",
  "source_run": "MOBILITY-200HZ-01",
  "source_sha256": "96c708cc89faa7f4e89e18b84a12b2c81cb8a7a877d0fbf37a3a76fad23840b9",
  "statistics": [
    {
      "bus_median": 0.18028609523223468,
      "bus_n": 25,
      "difference": 0.06378282917302619,
      "direction": "BUS_HIGHER",
      "endpoint": "vertical_rms_g",
      "front_median": 0.1165032660592085,
      "front_n": 7,
      "percent_difference": 54.747674748114704,
      "ratio": 1.547476747481147,
      "ratio_ci_high": 1.6710522966857,
      "ratio_ci_low": 0.7845973789157562
    },
    {
      "bus_median": 5.2022119006850405,
      "bus_n": 25,
      "difference": 2.5267689019244925,
      "direction": "BUS_HIGHER",
      "endpoint": "jerk_rms_g_per_s",
      "front_median": 2.675442998760548,
      "front_n": 7,
      "percent_difference": 94.4430101144023,
      "ratio": 1.944430101144023,
      "ratio_ci_high": 2.3996759995802326,
      "ratio_ci_low": 1.531041761923283
    },
    {
      "bus_median": 105.5353279510316,
      "bus_n": 25,
      "difference": 12.972857966058484,
      "direction": "BUS_HIGHER",
      "endpoint": "shock_rate_per_min",
      "front_median": 92.56246998497312,
      "front_n": 7,
      "percent_difference": 14.015246101540434,
      "ratio": 1.1401524610154044,
      "ratio_ci_high": 1.3266614033808959,
      "ratio_ci_low": 0.8700062070009388
    },
    {
      "bus_median": 20.265771883571677,
      "bus_n": 25,
      "difference": 12.364300354460992,
      "direction": "BUS_HIGHER",
      "endpoint": "clusters_per_min",
      "front_median": 7.901471529110685,
      "front_n": 7,
      "percent_difference": 156.48098343338083,
      "ratio": 2.564809834333808,
      "ratio_ci_high": 3.2383394156951635,
      "ratio_ci_low": 1.3135807844028706
    },
    {
      "bus_median": 0.02,
      "bus_n": 25,
      "difference": -0.009999999999999998,
      "direction": "FRONT_HIGHER",
      "endpoint": "median_cluster_duration_s",
      "front_median": 0.03,
      "front_n": 7,
      "percent_difference": -33.33333333333333,
      "ratio": 0.6666666666666667,
      "ratio_ci_high": 0.8333333333333334,
      "ratio_ci_low": 0.5714285714285714
    },
    {
      "bus_median": 29.555,
      "bus_n": 25,
      "difference": 7.585000000000001,
      "direction": "BUS_HIGHER",
      "endpoint": "p95_cluster_duration_s",
      "front_median": 21.97,
      "front_n": 7,
      "percent_difference": 34.52435138825671,
      "ratio": 1.3452435138825671,
      "ratio_ci_high": 2.1576607387140907,
      "ratio_ci_low": 0.46550321005515866
    },
    {
      "bus_median": 0.00794888080528129,
      "bus_n": 25,
      "difference": 0.003998145040725948,
      "direction": "BUS_HIGHER",
      "endpoint": "cluster_time_fraction",
      "front_median": 0.003950735764555342,
      "front_n": 7,
      "percent_difference": 101.20001131424546,
      "ratio": 2.0120001131424545,
      "ratio_ci_high": 3.226397299759408,
      "ratio_ci_low": 1.0560806166335654
    },
    {
      "bus_median": 15.634577012621962,
      "bus_n": 25,
      "difference": 8.92339231839695,
      "direction": "BUS_HIGHER",
      "endpoint": "p95_jerk_g_per_s",
      "front_median": 6.711184694225013,
      "front_n": 7,
      "percent_difference": 132.96299721978366,
      "ratio": 2.3296299721978366,
      "ratio_ci_high": 2.58131147678634,
      "ratio_ci_low": 1.7340773528435671
    },
    {
      "bus_median": 0.5155834819243196,
      "bus_n": 25,
      "difference": 0.1591200777552501,
      "direction": "BUS_HIGHER",
      "endpoint": "p95_magnitude_g",
      "front_median": 0.35646340416906946,
      "front_n": 7,
      "percent_difference": 44.63854518983945,
      "ratio": 1.4463854518983945,
      "ratio_ci_high": 2.1584778498784165,
      "ratio_ci_low": 0.7667293063090652
    }
  ],
  "transformation": "Exact copy of frozen cohort medians, ratios and intervals; display rounding only.",
  "units": {
    "cluster_time_fraction": "fraction of recording",
    "clusters_per_min": "clusters/min",
    "jerk_rms_g_per_s": "g/s",
    "median_cluster_duration_s": "s",
    "p95_cluster_duration_s": "s",
    "p95_jerk_g_per_s": "g/s",
    "p95_magnitude_g": "g",
    "shock_rate_per_min": "count/min",
    "vertical_rms_g": "g"
  }
}