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 |