Disabled | Non-disabled | p Value^{*} | |

Mean cost of care, US$ (95% CI)^{†} | 39.40 (21.69 to 71.56) | 20.84 (14.76 to 29.42) | 0.067 |

Paid >US$62 for care, %^{†} ^{‡} | 50.0 | 24.4 | 0.019 |

Sought formal care, % | 94.6 | 70.0 | 0.003 |

Unable to work, % | 29.7 | 6.7 | 0.002 |

↵* p Values were calculated with the χ

^{2}test for dichotomous data and the t test for unequal variances with log-transformed continuous cost data.↵† Data are for n=127 injured respondents except for cost data where cost data were not available for three injured respondents (n=124).

↵‡ US$62 is equivalent to the monthly per capita income in Nigeria in 2005 (Source: UNdata).