ID number of items | Item content | Mean (SD) |
Factor 1 | Perceived diversity of motorcycles (α = 0.87, Aiic = 0.69, Ev = 14.45%) | 3.56 (0.91) |
M2 | There are a lot of motorcycles on the road. | 3.81 (1.07) |
M3 | There are several types of motorcycles on the road. | 3.57 (0.96) |
M5 | There are several motorcycles around bus stops on the road. | 3.31 (1.02) |
Factor 2 | Perceived dangerous vehicles interaction (α = 0.82, Aiic = 0.54, Ev = 14.24%) | 3.13 (0.82) |
M1 | There is only one non-lane-based vehicle, that is, motorcycles. | 3.20 (1.03) |
M6 | It is dangerous to drive on roads full of all kinds of vehicles. | 3.31 (1.04) |
M7 | It is difficult to approach and stop at the bus stops. | 3.05 (0.98) |
M8 | It is difficult to leave the bus stops. | 2.96 (1.00) |
Factor 3 | Perceived motorcyclists’ driving behaviours (α = 0.96, Aiic = 0.84, Ev = 25.89%) | 3.46 (1.2) |
M9 | Motorcyclists engage in several overtaking manoeuvres on the road. | 3.50 (1.18) |
M10 | Motorcyclists engage in several swerving manoeuvres on the road. | 3.45 (1.33) |
M11 | Motorcyclists engage in several weaving manoeuvres on the road. | 3.44 (1.37) |
M12 | Motorcyclists engage in several vehicle filtering manoeuvres on the road. | 3.52 (1.29) |
M13 | Motorcyclists engage in several tailgating manoeuvres on the road. | 3.41 (1.31) |
Factor 4 | Perceived road users’ traffic habits (α = 0.82, Aiic = 0.54, Ev = 17.65%) | 3.28 (0.82) |
M15 | Road users tend to ignore traffic signs | 3.11 (1.37) |
M16 | Road users are only concerned about how to move quickly | 3.14 (1.41) |
M17 | Road users comply tacitly with first-come-first-serve discipline and do not follow traffic rules. | 3.04 (1.32) |
M18 | Everything about the traffic flow is unpredictable. | 3.76 (0.93) |