@article{fdi:010070027, title = {{D}evelopment of a spatial sampling protocol using {GIS} to measure health disparities in {B}obo-{D}ioulasso, {B}urkina {F}aso, a medium-sized {A}frican city}, author = {{K}assi{\'e}, {D}. and {R}oudot, {A}. and {D}essay, {N}adine and {P}iermay, {J}. {L}. and {S}alem, {G}. and {F}ournet, {F}lorence}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {M}any cities in developing countries experience an unplanned and rapid growth. {S}everal studies have shown that the irregular urbanization and equipment of cities produce different health risks and uneven exposure to specific diseases. {C}onsequently, health surveys within cities should be carried out at the micro-local scale and sampling methods should try to capture this urban diversity. {M}ethods: {T}his article describes the methodology used to develop a multi-stage sampling protocol to select a population for a demographic survey that investigates health disparities in the medium-sized city of {B}obo-{D}ioulasso, {B}urkina {F}aso. {I}t is based on the characterization of {B}obo-{D}ioulasso city typology by taking into account the city heterogeneity, as determined by analysis of the built environment and of the distribution of urban infrastructures, such as healthcare structures or even water fountains, by photo-interpretation of aerial photographs and satellite images. {P}rincipal component analysis and hierarchical ascendant classification were then used to generate the city typology. {R}esults: {F}ive groups of spaces with specific profiles were identified according to a set of variables which could be considered as proxy indicators of health status. {W}ithin these five groups, four sub-spaces were randomly selected for the study. {W}e were then able to survey 1045 households in all the selected sub-spaces. {T}he pertinence of this approach is discussed regarding to classical sampling as random walk method for example. {C}onclusion: {T}his urban space typology allowed to select a population living in areas representative of the uneven urbanization process, and to characterize its health status in regards to several indicators (nutritional status, communicable and non-communicable diseases, and anaemia). {A}lthough this method should be validated and compared with more established methods, it appears as an alternative in developing countries where geographic and population data are scarce.}, keywords = {{H}ealth disparities ; {S}patial sampling ; {T}ypology ; {M}edium-sized city ; {B}obo-{D}ioulasso ; {BURKINA} {FASO} ; {BOBO} {DIOULASSO}}, booktitle = {}, journal = {{I}nternational {J}ournal of {H}ealth {G}eographics}, volume = {16}, numero = {}, pages = {art. 14 [16 p.]}, ISSN = {1476-072{X}}, year = {2017}, DOI = {10.1186/s12942-017-0087-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010070027}, }