Table 1 City-level indicators: description and source
From: Revealing the determinants of gender inequality in urban cycling with large-scale data
Category | Variable name | Description | Data source |
|---|---|---|---|
\(\sigma _{c}\) | Proportion of kilometers rode by female cyclists to the overall kilometers rode by any cyclist within the urban area | Strava∗ | |
E | share green | Share of population living in the high green area in 2015 in the Urban Centre of 2015. Ranging between 0–1 | [40] |
open space | Percentage of open-spaces within the spatial domain of the Urban Centre. Ranging between 0–100 | [40] | |
BEI | built area | Amount of the built-up area per person in 2015 calculated within the spatial domain of the Urban Centre. Expressed in square meters per person | [40] |
light emissions | Average night time night-light emission calculated within the Urban Centre spatial domain. Expressed in nano-watt per steradian per square centimetre | [40] | |
pm2.5 | Total concentration of PM2.5 for reference epoch 2014, calculated over the Urban Centre. Expressed in μg/m3 | [40] | |
SED | area | Area of the spatial domain of the Urban Centre. Expressed in square meters | [40] |
population | Population density within the spatial domain of the Urban Centre | [40]∗ | |
GDP | GDP per capita for year 2015 within the Urban Centre. Expressed in US dollars | [40]∗ | |
M | degree | Average node degree of street network within the spatial domain of the Urban Centre | [28] |
grade | Average absolute inclination of streets within the spatial domain of the Urban Centre. Expressed in percentage | [28] | |
orientation | Orientation order of street network bearings within the spatial domain of the Urban Centre | [28] | |
3-way crosses | Proportion of nodes that represent a 3-ways street intersection in the street network within the spatial domain of the Urban Area. Ranging between 0–1 | [28] | |
straightness | Ratio of straightline distances to street lengths for streets in the street network within the spatial domain of the Urban Area | [28] | |
RS | bike lanes | Proportion of streets with cycleways (either protected or unprotected) computed on streets within the spatial domain of Urban Centre | OSM∗ |
speed limit | Proportion of streets with a speed-limit equal or lower than 20 mi/h or 30 km/h computed on streets within the spatial domain of Urban Centre | OSM∗ |