Skip to main content

Table 1 Variables and Definitions

From: Geographical variations in the correlates of blood donor turnout rates: An investigation of Canadian metropolitan areas

Variable Definition and units Min Max Mean SD
Dependent variable      
DONORS Donor rate in census tract 1 683 82.96 60.38
Socio-economic and demographic characteristics
POP15TO24 Proportion of population
of 15-24 years of age in census tract
0.04 0.66 0.14 0.03
POP25TO54 Proportion of population
25-54 years of age in census tract
0.15 0.77 0.44 0.06
POP55TO64 Proportion of population
55-64 years of age in census tract
0.02 0.26 0.11 0.03
POP65+ Proportion of population
of 65+ years of age in census tract
0.00 0.68 0.13 0.07
ENGLISH Proportion of English-speaking
population in census tract
0.03 1.00 0.69 0.20
IMMIG Proportion of immigrant
population in census tract
0.00 0.82 0.26 0.18
UNEMP Proportion of unemployed
population in census tract
0.00 0.12 0.03 0.01
HEALTHOCC Proportion of population in census
tract in health-related occupations
0.00 0.13 0.03 0.01
HIGHED Proportion of population in census
tract with bachelors degree or higher
0.00 0.68 0.21 0.11
Ave Household Income Average household income ($10,000) 1.73 81.08 7.91 3.96
Geographic variables      
CMAPOP Total CMA population (1,000,000s) 0.06 5.11 1.93 1.99
City Name City-specific dummy variable     
Service variables      
Pop Based Access Proportion of population-based accessibility within 4 km band (beds-hour/1000 people) 0.00 481.74 34.63 61.53