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Table 3 Incidence and characteristics of traffic injuries one year preceding the study and one year during the study

From: Effectiveness and implementation of interventions to increase commuter cycling to school: a quasi-experimental study

  

Injury incidence one year prior study (assessed at baseline)

Injury incidence during study (assessed at follow-up)

  

Control (n = 714)

Intervention (n = 970)

P

Control (n = 641)

Intervention (n = 897)

P

Total injuriesa

One year recall

166 (23.3)

231 (23.8)

0.787

151 (23.6)

216 (24.1)

0.812

 

To school

39 (23.5)

54 (23.4)

 

35 (23.2)

33 (15.3)

 

Trip destinationb

From school

38 (22.9)

53 (22.9)

0.999

37 (24.5)

48 (22.2)

0.092

 

Other/unknown

89 (53.6)

124 (53.7)

 

79 (52.3)

135 (62.5)

 
 

Walking

5 (3.0)

11 (4.7)

 

6 (4.0)

15 (6.9)

 
 

Cycling

147 (88.6)

193 (83.5)

0.465

137 (90.7)

184 (85.2)

0.251

Own transportb

Motorized

8 (4.8)

12 (5.2)

 

6 (4.0)

8 (3.7)

 
 

Other/unknown

6 (3.6)

15 (6.5)

 

2 (1.3)

9 (4.2)

 
 

No counterpart/solo injury

90 (54.2)

108 (46.8)

 

79 (52.3)

97 (44.9)

 
 

Walking

6 (3.6)

6 (2.6)

 

3 (2.0)

11 (5.1)

 

Counterpart transportb

Cycling

41 (24.7)

65 (28.1)

0.488

42 (27.8)

62 (28.7)

0.410

 

Motorized

14 (8.4)

29 (12.6)

 

20 (13.2)

32 (14.8)

 
 

Other/unknown

15 (9.0)

23 (10.0)

 

7 (4.6)

14 (6.5)

 

Severe injuriesa

Emergency room visits

25 (3.5)

29 (3.0)

0.556

23 (3.6)

38 (4.2)

0.521

  1. Total and severe injuries are reported as frequency (percent relative to total number of respondents whereas all other variables are reported as frequency (percent, relative to the number of total injuries). P-values are from chi-squared tests of differences in distributions in the control group compared to the intervention group. a do not remember/do not know were coded as missing. b Unknown and other collapsed into one category. Study conducted at three different locations in Denmark, 2010–2011