Age at study, mean ± SD (range), y | 21.3 ± 2.3 (15–26) | 20.7 ± 2.5 (15–26) |

Education, mean ± SD (range), y | 14.5 ± 2.0 (10–19) | 14.3 ± 2.3 (10–18) |

SES score, mean ± SD (range)^{a} | 50.1 ± 10.4 (23–66) | 48.5 ± 11.2 (21–66) |

BMI at study, mean ± SD (range), kg/m^{2} | 21.8 ± 3.4 (15–31)^{b} | 24.3 ± 4.3 (19–37) |

Lowest BMI, mean ± SD (range), kg/m^{2} | 15.3 ± 1.7 (12–20)^{c} | NA |

AN subtype at diagnosis, *n* (%) | | |

Restricting | 54 (81.8) | NA |

Binge/purge | 12 (18.2) | NA |

Age of AN onset, mean ± SD (range), y | 13.3 ± 1.5 (9–16) | NA |

No. of hospitalizations, mean ± SD (range) | 2.2 ± 2.4 (0–12) | NA |

Length of follow-up, mean ± SD (range), y | 6.4 ± 1.7 (4–10) | NA |

Weight recovery, *n* (%) | | |

Low weight | 14 (21.2) | NA |

Weight recovered | 52 (78.8) | NA |

Menstrual function, *n* (%) | | |

Irregular/absent menses | 18 (27.3) | 4 (9.5) |

Regular menses | 19 (28.8) | 17 (40.5) |

Oral contraceptive pill | 29 (43.9) | 21 (50.0) |