thèse doctorat de l'université bordeaux 2 - ISPED-Enseignement à ...

located in built-up area in Pakistan (31%) than in Cameroon (50%). Similarly, one third ofhigh-risk sites were at intersection in Pakistan (31%) and Cameroon (40%). In Pakistan, 19%of the high-risk sites were situated at a U-turn and on 13%, maintenance works was ongoing.Table 13. Characteristics of high- and low-risk sites on Yaoundé-Douala and Karachi-Hala road sectionsPakistanCameroonHigh risk (%) Low risk (%) High risk (%) Low risk (%)Characteristics (N=16) (N=16) (N=10) (N=10)Site factorsStraight 87 87 20 50Irregular road shoulder 81 81 100 90Irregular surface conditions 75 63 90 40Lane width ≤ 8 75 100 80 90Flat 62 81 50 60Visible road side obstacle 50 38 100 90Vertical road sign 38 19 40 10Built-up road section 31 56 50 10Intersection 31 31 40 0U-turn 19 19 0 0Diversion 13 6 0 0Continuous road-markings 13 0 50 10Traffic factorsVisible heavy vehicle 88 69 40 40Same direction moving vehicle 81 88 60 60Manoeuvring vehicle (overtake, crossing) 69 56 30 10Opposite direction moving vehicle 25 19 40 50Visible pedestrian 19 31 50 20Visible motorcyclists 13 19 10 0Rain 0 0 20 20Wet surface 0 0 70 50ParticipantsOut of 100 participants, 44 were interviewed at the AKU. Most participants were agedbetween 26-45 years and one fifth had received no education (Table 14). While all driverslived in Karachi, 46 of them had a residence in other regions of Pakistan as well. Seventy-fourdrivers reported either not wearing a seat-belt at all or wearing it occasionally, and 92 of themreported a cell phone use while driving. No significant association was found for any of thedriver-related factor or interview location with recent crash history.52