Table 1: Characteristics of the accidents

Continuous variables -         Total
Number of deaths, Median (IQR)       1 (1, 1)        1, 023
Drivers age, mean (SD)      37.1 (9.7)         800*
Categorical Variables     Frequency (%)        Total
Driver’s sex: Male    803 (96.8)         830*
Female    27 (3.3) -
Quarter: Jan-Mar (1st)     231 (22.6) -
April-June (2nd)    251 (24.5) -
July-Sept (3rd)    277 (27.1) -
Oct-Dec (4th)    264 (25.8)        1, 023
Time of accident: Early morning    161 (15.8) -
Morning    157 (15.4) -
Afternoon    300 (29.4) -
Night    403 (39.5)        1,021*
Vehicle type: Private    466 (54.31) -
Public       134 (15.62)        858*
Truck   258 (30.07) -
Cause: Crossing road    310 (30.30) -
Excessive speed/overtaking   295 (28.84) -
Cutting in/FTKNS    175 (17.11)        1,023
Unlicensed/Inexperienced    22 (2.15) -
Hit & Run/Unknown    221 (21.60) -
Adults: Juveniles    82 (6.77) -
Adults    1,130 (93.23)        1,212b
Stretch: Lusaka-Katuba    217 (21.21) -
Katuba-Landless corner    87 (8.50) -
Landless corner-ZNS    150 (14.66) -
ZNS-Mul. University    168 (16.42) -
Mul. Univ.-K/Mposhi    401 (39.20)        1,023

Note:*Missing values encountered, FTKNS: Failure to keep near side, ZNS: Zambia National Service, b: Total number of deaths.

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