## Table 3 |
|||

Demographic Model - Emergency hospital admissions in terms of practice-level demographic
data, derived using the BIC criterion |
|||

Variable |
Incidence Rate Ratio (IRR) |
95% CI |
P value (2-sided) |

Distance (per km) | 0.9874 | 0.9762 to 0.9987 | 0.028 |

IMD (per unit) | 1.0014 | 0.9971 to 1.0057 | 0.519 |

Interaction term: | |||

Distance (per km) × IMD (per unit) | 1.0009 | 1.0004 to 1.0014 | 0.001 |

Age65≥ years (per 1%) | 1.0224 | 1.0095 to 1.0355 | 0.001 |

Males (per 1%) | 1.1535 | 1.0899 to 1.2209 | <0.001 |

White population (per 1%) | 1.0990 | 1.0520 to 1.1481 | <0.001 |

Interaction term: | |||

Males (per 1%) × White pop (per 1%) | 0.9981 | 0.9973 to 0.9989 | <0.001 |

BIC (Bayesian information criterion) = 1865.306.

IRR less than 1.0 represent decreases and IRR greater than 1.0 represent increases in the count.

Gunther * et al.*

Gunther * et al.* *BMC Health Services Research* 2013 **13**:11 doi:10.1186/1472-6963-13-11