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Table 1 Prevalence (%) of drinking and driving in the SUN cohort

From: Self-reported drinking and driving amongst educated adults in Spain: The "Seguimiento Universidad de Navarra" (SUN) cohort findings

  Men (N = 6,588) Women (N = 9,613)
  Sometimes
(N = 2,220)
Sometimes + almost never
(N = 4,229)
Sometimes
(N = 2,471)
Sometimes + almost never
(N = 3,441)
Overall 33.7 c 64.2 c 25.7 35.8
Age group     
<25 21.5c 31.6 c 13.0 16.7
25–<30 31.7b 52.7 c 26.8 35.4
30–<35 37.7c 67.5 c 30.2 42.0
35–<40 40.3c 71.0 c 32.2 45.4
40–<45 35.6c 69.5 c 32.8 44.8
45–<50 33.7b 69.1 c 26.8 38.0
>= 50 31.8c 67.3 c 19.1 31.5
Marital status     
Single 31.3 54.6 23.8 33.8
Married 35.2 69.0 27.6 37.1
Widowed 31.0 65.5 17.3 28.2
Divorced/others 31.4 74.6 33.1 51.8
p (chi square) 0.01 <0.001 <0.001 <0.001
Health-related profession     
Medical Doctor 34.6 67.6 29.6 42.2
Nurse 40.7 75.4 28.1 38.8
Not health-related 33.2 62.8 23.9 33.1
p (chi square) 0.06 <0.001 <0.001 <0.001
Smoking (cig/d)     
Never smokers 32.9 57.2 22.3 30.0
<15 33.8 67.4 26.3 37.1
>= 15 32.6 66.0 29.4 42.8
Ex-smokers (>1 yr) 35.0 72.0 31.6 45.1
p (chi square) 0.38 <0.001 <0.001 <0.001
Body mass index (kg/m2)     
<25 32.9 59.1 26.1 36.1
>= 25 34.4 68.7 23.6 33.9
p (chi square) 0.17 <0.001 0.05 0.09
Average km driven/year     
<1,000 14.2 25.0 17.2 22.0
1,000–10,000 32.1 53.0 23.0 31.5
10,001–20,000 35.1 67.6 29.8 41.7
20,001–50,000 35.7 72.1 31.9 46.7
>50,000 34.8 70.2 30.4 45.3
p for trend <0.001 <0.001 <0.001 <0.001
Use of seat belts     
Always 34.0 63.5 25.6 34.8
Not always 33.9 71.3 28.1 43.5
Never/Almost never 29.0 72.6 27.0 44.6
p for trend 0.44 <0.001 0.09 <0.001
Mean alcohol intake (g/d) according to FFQ     
0 17.6 25.7 11.9 15.4
<= 10 37.5 62.9 30.2 41.0
10–20 37.7 76.6 38.8 59.4
>20 28.4 80.9 29.4 62.1
p for trend 0.06 <0.001 <0.001 <0.001
Drinking pattern (days/wk)     
None or almost never 25.8 34.5 17.9 22.7
1–5 38.5 70.5 33.6 46.9
6–7 31.5 79.4 31.1 56.5
p for trend 0.001 <0.001 <0.001 <0.001
Binge Drinking (drinks/session)     
<= 5 32.0 58.5 23.8 32.5
>5 (some occasions) 36.3 72.8 32.3 47.3
p (chi square) 0.001 <0.001 <0.001 <0.001
History of traffic injury     
No 33.9 64.1 25.2 35.3
Yes 31.5 65.8 36.4 47.1
p (chi square) 0.32 0.48 <0.001 <0.001
  1. FFQ: food frequency questionnaire
  2. Fisher 2-tails test: ap < 0.001; bp < 0.01; cp < 0.001 for the comparison between men and women.