β coefficients | 95% CI (lower) | 95% CI (upper) | t value | Pr (>|t|) | ||

Variables associated with percentage of cases who received antibiotic prescription† | ||||||

(Intercept) | 34.9 | 25.3 | 44.6 | 7.68 | <0.001 | *** |

Geographical location—north | 20.1 | 9.69 | 30.5 | 4.09 | 0.001 | ** |

Geographical location—south | 33.1 | 20.4 | 45.9 | 5.51 | <0.001 | *** |

Number of ft paediatricians in ED in 2019/2020 | 0.587 | −0.145 | 1.32 | 1.70 | 0.108 | |

Number of ft residents in paediatrics in 2019/2020 | −0.300 | −0.441 | −0.159 | −4.52 | <0.001 | *** |

Variables associated with percentage of cases hospitalised (in the ward or in the short stay unit)‡ | ||||||

(Intercept) | 6.34 | −3.29 | 16.0 | 4.26 | 0.171 | |

Geographical location—north | −4.71 | −9.76 | 0.332 | 2.23 | 0.064 | |

Geographical location—south | 24.7 | 17.8 | 31.5 | 3.02 | <0.001 | *** |

University centre—yes | −13.1 | −18.6 | −7.67 | 2.42 | <0.001 | *** |

% Age 5–15 years | 0.130 | −0.0683 | 0.329 | 0.0878 | 0.172 | |

% Maximal temperature§ ≥40°C | −0.781 | −1.20 | −0.360 | 0.186 | 0.002 | ** |

% SpO_{2} ≥90% | 3.93 | −0.782 | 8.64 | 2.08 | 0.092 | . |

% CRP requested | 0.309 | 0.156 | 0.462 | 0.0676 | 0.001 | ** |

% RX requested | −0.194 | −0.432 | 0.0442 | 0.105 | 0.099 | |

Children accessing the ED, per year (hundreds) | 0.0574 | 0.0276 | 0.0872 | 0.0132 | 0.002 | ** |

Ft paediatricians in ED in 2019/2020 | −0.927 | −1.36 | −0.491 | 0.193 | 0.001 | *** |

Ft residents in paediatrics in 2019/2020 | 0.250 | 0.177 | 0.324 | 0.0326 | <0.001 | *** |

If a p value is less than 0.05, it is flagged with one star (*). If a p value is less than 0.01, it is flagged with two stars (**). If a p value is less than 0.001, it is flagged with three stars (***).

†Multiple R-squared: 0.840, adjusted R-squared: 0.800, F-statistic: 21.06 on 4 and 16 DF, p value: <0.001.

‡Multiple R-squared: 0.963, adjusted R-squared: 0.917, F-statistic: 21.06 on 11 and 9 DF, p value: <0.001.

§Reported by parents or measured in ED.

CRP, C reactive protein; Ft, full time; RX, chest X ray; SpO2, oxygen saturation.