Blood Disorders and Accessibility
blood_disorders_accessibility.RmdBlood disorders
site_file$blood_disorders
Site-level frequencies of inherited blood disorders that modify malaria risk. These are 2010 estimates.
Variables
sicklecell Sickle haemoglobin (HbS) allele
frequencygdp6 Glucose-6-phosphate dehydrogenase (G6PD) deficiency
allele frequencyhpc Haemoglobin C (HbC) allele frequencyduffy_negativity Duffy negativity phenotype frequency
Description
Allele and phenotype frequencies are taken from the Malaria Atlas Project blood disorder surfaces (2010 estimates). Duffy negativity is particularly relevant for Plasmodium vivax transmission, while HbS, HbC and G6PD deficiency influence Plasmodium falciparum disease risk.
Accessibility
site_file$accessibility
Site-level estimates of travel time to healthcare and to the nearest city, summarised from the Malaria Atlas Project accessibility surfaces.
Variables
motor_travel_time_healthcare Motorised travel time to
healthcare, minutes (2019 estimate)walking_travel_time_healthcare Walking-only travel time to
healthcare, minutes (2019 estimate)city_travel_time Travel time to the nearest city, minutes
(2015 estimate)
Description
These accessibility metrics are useful for interpreting access to treatment and for costing. Values are population-at-risk weighted summaries over each site.