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. 2022 Feb 8;12:2079. doi: 10.1038/s41598-022-06050-9

Table 2.

Average number of closure days by closure cause by subpopulation quartile.

Closure cause Quartile FRPM Hispanic Black Asian White
Wildfires 1st 0.115 0.139 0.130 0.135 0.094
2nd 0.135 0.150 0.081 0.059 0.158
3rd 0.130 0.124 0.029 0.017 0.177
4th 0.089 0.089 0.027 0.023 0.126
Natural hazard impacts 1st 0.034 0.079 0.038 0.038 0.022
2nd 0.067 0.046 0.028 0.013 0.044
3rd 0.068 0.034 0.020 0.029 0.077
4th 0.037 0.015 0.004 0.014 0.152
Infrastructure 1st 0.010 0.021 0.010 0.009 0.007
2nd 0.012 0.010 0.005 0.005 0.010
3rd 0.012 0.006 0.001 0.003 0.018
4th 0.011 0.006 0.002 0.000 0.041
Student safety 1st 0.005 0.007 0.009 0.009 0.012
2nd 0.005 0.007 0.014 0.004 0.006
3rd 0.009 0.008 0.021 0.003 0.007
4th 0.018 0.017 0.019 0.003 0.006
Other 1st 0.001 0.002 0.001 0.001 0.001
2nd 0.002 0.001 0.001 0.000 0.001
3rd 0.001 0.001 0.000 0.000 0.002
4th 0.001 0.000 0.000 0.000 0.006
Total 1st 0.164 0.248 0.188 0.193 0.136
2nd 0.221 0.215 0.130 0.081 0.218
3rd 0.220 0.173 0.072 0.052 0.281
4th 0.157 0.128 0.050 0.040 0.331

Average closure days are rounded to the nearest thousandth.