Without adjustment | Adjusted* | |||||

Proportion (%) | SE^{†} | 95% CI^{‡} | Proportion (%) | SE^{†} | 95% CI^{‡} | |

Total | 26.7 | 1.9 | 23.1 to 30.6 | 7.9 | 1.2 | 5.8 to 10.5 |

Q1 | 27.9 | 4.4 | 20.0 to 37.3 | 8.0 | 2.7 | 4.1 to 15.1 |

Q2 | 28.5 | 3.8 | 21.7 to 36.6 | 7.1 | 2.2 | 3.8 to 13.0 |

Q3 | 32.2 | 5.0 | 23.3 to 42.6 | 9.3 | 3.1 | 4.7 to 17.3 |

Q4 | 28.3 | 4.1 | 21.0 to 37.0 | 7.7 | 2.4 | 4.1 to 14.0 |

Q5 | 13.9 | 3.8 | 7.9 to 23.1 | 7.7 | 3.0 | 3.5 to 15.9 |

*The amount of OOP payments financed through means other than current income is deducted from the total OOP payment, p value comparing proportion without adjustment among Q1 an Q5 =0.015.

SE is standard error of the mean.

‡95% CI for the proportion.