Table 1

Demographic characteristics and driving distance

Variables1996
N=2197
2011
N=3558
p Value
BMI ((weight (kg)/height2 (cm))<0.0001
Mean±SD24.4 (±3.4)25.1 (±3.9)
Sex<0.01
 Male1711 (77.9)2658 (74.7)
 Female485 (22.1)900 (25.3)
Age (years)<0.0001
 16–30442 (20.1)406 (11.4)
 31–491099 (50.0)1734 (48.7)
 50 and more656 (29.9)1418 (39.9)
Driving distance<0.0001
Mean±SD377 (±297)337 (±230)
Driving distance (km)<0.0001
 −100483 (24.1)254 (7.1)
 100–300514 (25.6)1940 (54.5)
 301–500333 (16.6)820 (23.1)
 +500677 (33.7)544 (15.3)
  • Driving remains a male-dominated task, but there were fewer single drivers in 2011 than in 1996 (χ2 p<0.001).

  • BMI, body mass index.