Correlation between driving-related skill and alcohol use in young-adults from six European countries: the TEN-D by Night Project

Siliquini, Roberta; Bert, Fabrizio; Alonso, Francisco; Berchialla, Paola; Colombo, Alessandra; Druart, Axel; Kedzia, Marcin; Siliquini, Valeria; Vankov, Daniel; Villerusa, Anita; Manzoli, Lamberto

doi:10.1186/1471-2458-11-526

Table 2 Reaction time according to blood alcohol concentration (BAC) and other characteristics of the sample

From: Correlation between driving-related skill and alcohol use in young-adults from six European countries: the TEN-D by Night Project

	Before, no drugs	Before, drug users	After, no drugs*	After, drug users**
	(n = 4193)	(n = 337)	(n = 2542)	(n = 210)
Overall	0.72 (0.32)	0.81 (0.62)	0.72 (0.31)	0.78 (0.32)
Males	0.69 (0.31)	0.79 (0.67)	0.71 (0.32)	0.79 (0.34)
Females	0.77 (0.34)	0.89 (0.46)	0.74 (0.29)	0.76 (0.23)
BAC, g/l (All)
0.0	0.73 (0.29)	0.68 (0.27)	0.75 (0.28)	0.73 (0.36)
0.01-0.19	0.65 (0.27)	0.80 (0.71)	0.67 (0.24)	0.72 (0.19)
0.20-0.49	0.68 (0.28)	0.81 (0.53)	0.67 (0.24)	0.74 (0.25)
0.50-0.99	0.72 (0.34)	0.74 (0.65)	0.70 (0.37)	0.76 (0.27)
> = 1.00	0.84 (0.50)	1.13 (0.84)	0.76 (0.35)	0.88 (0.37)
BAC, g/l (Males)
0.0	0.70 (0.29)	0.67 (0.28)	0.75 (0.28)	0.75 (0.42)
0.01-0.19	0.63 (0.28)	0.78 (0.82)	0.65 (0.24)	0.73 (0.23)
0.20-0.49	0.65 (0.26)	0.78 (0.58)	0.65 (0.24)	0.73 (0.25)
0.50-0.99	0.70 (0.36)	0.73 (0.72)	0.69 (0.39)	0.73 (0.28)
> = 1.00	0.80 (0.40)	1.09 (0.88)	0.75 (0.35)	0.91 (0.39)
BAC, g/l (Females)
0.0	0.77 (0.30)	0.73 (0.27)	0.75 (0.29)	0.66 (0.19)
0.01-0.19	0.70 (0.25)	0.86 (0.14)	0.71 (0.25)	0.69 (0.12)
0.20-0.49	0.76 (0.29)	0.87 (0.43)	0.70 (0.25)	0.78 (0.25)
0.50-0.99	0.76 (0.25)	0.80 (0.26)	0.76 (0.30)	0.84 (0.24)
> = 1.00	0.97 (0.69)	1.23 (0.74)	0.79 (0.35)	0.73 (0.25)
Age class, y
16-19	0.71 (0.34)	1.09 (1.10)	0.69 (0.31)	0.79 (0.30)
20-24	0.72 (0.32)	0.71 (0.32)	0.73 (0.33)	0.74 (0.32)
25-29	0.73 (0.32)	0.79 (0.49)	0.72 (0.28)	0.87 (0.36)
30-35	0.71 (0.27)	0.72 (0.23)	0.71 (0.29)	0.78 (0.28)
Educational level
None	1.01 (0.46)	0.95 (0.43)	1.03 (0.37)	1.03 (0.39)
Mandatory school	0.78 (0.31)	0.94 (0.78)	0.77 (0.30)	0.94 (0.40)
High school	0.68 (0.31)	0.74 (0.37)	0.68 (0.30)	0.73 (0.28)
Diploma	0.73 (0.31)	0.81 (0.79)	0.73 (0.31)	0.70 (0.22)
Occupation
Student	0.70 (0.34)	0.85 (0.70)	0.69 (0.31)	0.78 (0.33)
Employed	0.73 (0.30)	0.78 (0.53)	0.74 (0.31)	0.77 (0.29)
Unemployed	0.80 (0.33)	0.84 (0.69)	0.81 (0.34)	0.84 (0.39)
Driving licence years
No licence	0.65 (0.34)	0.78 (0.75)	0.64 (0.27)	0.70 (0.26)
< = 2	0.75 (0.33)	1.02 (0.95)	0.73 (0.29)	0.85 (0.35)
3-5	0.74 (0.35)	0.74 (0.33)	0.76 (0.35)	0.80 (0.32)
> 5	0.70 (0.29)	0.72 (0.37)	0.71 (0.31)	0.74 (0.30)

All data are reported as means (SD). M = Males; F = Females. * Excluding (or including) those with drug test missing. ** Including both those declaring drug use inside the local and those found positive to the Oratect III test, independently on their declaration.

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