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. 2021 May 20;16(5):e0251938. doi: 10.1371/journal.pone.0251938

Table 1. Person-related variables by sex and ICD-10 code mechanism of cause of death in coastal environments, X2 (p-value), Australia, 2005–2019.

Variable Total Total Sex Test statistic (p-value) ICD-10 Code Test statistic (p-value)
Male Female X80 X71 Other
N % n % n % n % n % n %
666 100.0 473 71.0 193 29.0 χ2 = 117.72 (p<0.001) 289 43.4 204 30.6 173 26.0 χ2 = 32.49 (p<0.001)
ICD-10 Code X80 289 43.6 201 69.6 88 30.4 χ2 = 21.68 (p < 0.001) - - - - - - -
X71 204 30.6 127 62.3 77 37.7 - - - - - - -
Other 173 26.0 145 83.8 28 16.2 - - - - - - -
Age 18–24 69 10.4 49 71.0 20 29.0 χ2 = 6.089 (p = 0.193) 38 55.1 15 21.7 16 23.2 χ2 = 49.418 (p<0.001)
25–39 195 29.3 148 75.9 47 24.1 89 45.6 36 18.5 70 35.9
40–54 195 29.3 127 65.1 68 34.9 82 42.1 64 32.8 49 25.1
55–69 128 19.2 90 70.3 38 29.7 56 43. 44 34. 28 21.
70+ 79 11.9 59 74.7 20 25.3 24 30.4 45 57.0 10 12.7
Birth Continent Australia 391 58.7 275 70.3 116 29.7 χ2 = 6.946 (p = 0.321) 196 50.1 87 22.3 108 27.6 χ2 = 39.59 (p<0.001)
Europe 70 10.5 54 77.1 16 22.9 28 40.0 28 40.0 14 20.0
Asia 37 5.6 22 59.5 15 40.5 9 24.3 21 56.8 7 18.9
Oceania 27 4.1 21 77.8 6 22.2 5 18.5 8 29.6 14 51.9
Africa NP <5.0 9 NP NP NP 7 NP NP NP NP NP
North America NP <5.0 5 NP NP NP NP NP NP NP NP NP
Latin America NP 0.5 NP NP NP NP NP NP NP NP NP NP
Unknown* 120 18.0 86 70.9 34 29.1 * 40 33.3 54 45.0 26 21.7 *

Note:

* indicates unknowns were excluded from analyses. After Bonferroni adjustment, significance was deemed at p = 0.004. Bold type indicates significance. NP Not presented due to ethical agreements.