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. 2017 Jun 2;17:537. doi: 10.1186/s12889-017-4456-8

Table 3.

Descriptive statistics and cross-validation of pedestrian injuries among the working population (n = 316)

Subgroup 1 Subgroup 2 Subgroup 3 p value
(Network distance travelled > = 132.84) & (Aging rate in the residential place > = 21.05) (Network distance travelled > = 132.84) & (Aging rate in the residential place <21.05) (Network distance travelled <132.84)
Proportion severely injured (%) 19.7 8.2 0.0
(n = 66) (n = 219) (n = 31)
Age (mean) 43.24 44.22 44.42 0.8739
Male (%) 47.0 51.8 48.4 0.7644
Time 0:00–4:00 (%) 9.1 9.1 6.5 0.9906
4:00–8:00 (%) 9.1 8.2 6.5
8:00–12:00 (%) 16.7 13.2 12.9
12:00–16:00 (%) 7.6 9.5 9.7
16:00–20:00 (%) 37.9 35.0 32.3
20:00–24:00 (%) 19.7 25.0 32.3
Season Spring (%) 28.8 27.3 22.6 0.6710
Summer (%) 24.2 21.8 19.4
Fall (%) 27.3 23.6 19.4
Winter (%) 19.7 27.3 38.7
Network distance travelled (mean) (unit:m) 3032 1877 53 <0.0001
National road (%) 28.8 17.7 6.5 0.0231
Road width more than 5 m (%) 60.6 54.1 48.4 0.8552
Densely inhabited district (%) 71.2 84.1 77.4 0.0589
Aging rate in the residential area (%) 23.9 16.0 17.3 <0.0001
Proportion of lower socioeconomic status in the census enumeration district (mean [SD]) (%) 39.8 41.8 39.8 0.0767