Dependent variable |
BCollision |
Number of collisions involving bicycles happening on weekdays |
Police collision databases in 2001, 2002, 2003, 2010, 2011 and 2012 by Hong Kong Police |
Built environment independent variables |
BDist |
Cycling flow (bicycle distance travelled in bicycle-kilometre) |
Travel Characteristics Surveys 2002 and 2011 by Transport Department |
VehDist |
Vehicle flow (vehicle distance travelled in millions vehicle-kilometre) |
Traffic Census 2002 and 2011 by Transport Department |
BTrack |
Length of bicycle tracks (km) |
Transport Department |
ComArea |
Commercial area (km2) |
Land use paper maps 2002 and 2011 by Lands Department |
ResArea |
Residential area (km2) |
Land use paper maps 2002 and 2011 by Lands Department |
Road |
Length of roads (km) |
Node-link road systems 2004 and 2011 by Lands Department |
JunDensity |
Junction density (number of junctions per km) |
Node-link road systems 2004 and 2011 by Lands Department |
Demographic and socioeconomic independent variables |
Population |
Population (in thousands) |
Population census 2001 and 2011 by Census and Statistics Department |
pAge0_14 |
Proportion of people aged between 0 and 14 |
Population census 2001 and 2011 by Census and Statistics Department |
pAge15_24 |
Proportion of people aged between 15 and 24 |
Population census 2001 and 2011 by Census and Statistics Department |
pAge25_44 |
Proportion of people aged between 25 and 44 |
Population census 2001 and 2011 by Census and Statistics Department |
pAge45_64 |
Proportion of people aged between 45 and 64 |
Population census 2001 and 2011 by Census and Statistics Department |
pMale |
Proportion of men |
Population census 2001 and 2011 by Census and Statistics Department |
MeEmIncome |
Median employment income (in thousands) |
Population census 2001 and 2011 by Census and Statistics Department |