{
  "pret_ages": [6, 143],
  "quarterly_vs_twice_yearly": {
    "rate_ratio": 0.93,
    "lower": 0.756,
    "upper": 1.144,
    "how": "interval"
  },
  "pret": {
    "rate_ratio": 0.82,
    "lower": 0.675,
    "upper": 0.997,
    "how": "interval"
  },
  "community_wide": [
    null,
    null,
    {
      "comparison": "T10-ABC",
      "trial": "T10",
      "ages": [12, 119],
      "rate_ratio": 0.51,
      "lower": 0.289,
      "upper": 0.898
    }
  ],
  "individual_child": [
    null
  ]
}