{"type":"survey","study_desc":{"title_statement":{"idno":"GMB_1982-2014_INDEPTH-FHDSS_v01_M","title":"Farafenni INDEPTH Core Dataset 1982 - 2014 (Release 2017)","alt_title":"INDEPTH-FHDSS 1982-2014"},"authoring_entity":[{"name":"Momodou Jasseh","affiliation":"Medical Research Council Unit The Gambia (GM011)"},{"name":"Umberto D'Alessandro","affiliation":"Medical Research Council Unit The Gambia (GM011)"},{"name":"Bai Lamin Dondeh","affiliation":"Medical Research Council Unit The Gambia (GM011)"}],"oth_id":[{"name":"Brian Greenwood","affiliation":"Medical Research Council Unit The Gambia (MRCG)","email":"","role":"Former Director"},{"name":"Andy Bradley","affiliation":"Medical Research Council Unit The Gambia (MRCG)","email":"","role":"Former Head of Farafenni Field Station"},{"name":"Bob Snow","affiliation":"Medical Research Council Unit The Gambia (MRCG)","email":"","role":"Former Head of Farafenni Field Station"},{"name":"Peter Byass","affiliation":"Medical Research Council Unit The Gambia (MRCG)","email":"","role":"Former Data Manager"},{"name":"Alan Hill","affiliation":"Medical Research Council Unit The Gambia (MRCG)","email":"","role":"Former Scientist"},{"name":"Omar Sey","affiliation":"AFPRC General Hospital","email":"","role":"Former Chief Executive"},{"name":"Alhagie Saine","affiliation":"AFPRC General Hospital","email":"","role":"Former Chief Executive"},{"name":"Mamadi Cham","affiliation":"AFPRC General Hospital","email":"","role":"Current Chief Executive"},{"name":"Louie Loppy","affiliation":"Medical Research Council Gambia","email":"","role":"Former Field Supervisor"}],"production_statement":{"producers":[{"name":"Pierre Gomez","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"DSS Coordinator"},{"name":"Sainey Ceesay","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"},{"name":"Lamin Ceesay","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"},{"name":"Ousman Touray","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"},{"name":"Dembo Gassama","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"},{"name":"Buba Njie","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"},{"name":"Yusupha Darboe","affiliation":"Medical Research Council Unit The Gambia (GM011)","role":"Fieldworker (Data Collector)"}],"copyright":"This dataset documentation is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. The dataset is shared in terms of the data-use agreement accepted at the time of data download.","funding_agencies":[{"name":"Medical Research Council UK","abbreviation":"MRC","role":""}]},"distribution_statement":{"contact":[{"name":"iSHARE2 Helpdesk","affiliation":"INDEPTH","email":"help-data@indepth-network.org","uri":"http:\/\/www.indepth-ishare.org"}]},"series_statement":{"series_name":"Demographic Surveillance","series_info":"This dataset contains rounds 10 to 71 of demographic surveillance data covering the period from 1 April 1989 to 31 December 2013. One round of data collection took place annually from 1989 to 1998, after which there were four rounds that took place annually through to 2008, then 3 rounds annually."},"version_statement":{"version":"CMD2014.v1: For public distribution","version_date":"2017-05-15"},"study_info":{"keywords":[{"keyword":"Migration","uri":""},{"keyword":"Fertility","uri":""},{"keyword":"Mortality","uri":""},{"keyword":"Population","uri":""}],"topics":[{"topic":"Demography [N01.224]","vocab":"MeSH","uri":"http:\/\/www.ncbi.nlm.nih.gov\/mesh"},{"topic":"Emigration and Immigration [N01.224.625.350]","vocab":"MeSH","uri":"http:\/\/www.ncbi.nlm.nih.gov\/mesh"},{"topic":"Mortality [N01.224.935.698]","vocab":"MeSH","uri":"http:\/\/www.ncbi.nlm.nih.gov\/mesh"},{"topic":"Birth Rate [N01.224.935.849.500]","vocab":"MeSH","uri":"http:\/\/www.ncbi.nlm.nih.gov\/mesh"}],"abstract":"The Farafenni Health and Demographic Surveillance System (Farafenni HDSS) is located 170 km from the coast in a rural area of The Gambia, north of the River Gambia. It was set up in 1981 by the UK Medical Research Council Laboratories to generate demographic and health information required for the evaluation of a village-based, primary health care programme in 40 villages. Regular updates of demographic events and residency status have subsequently been conducted every 4 months. The surveillance area was extended in 2002 to include Farafenni Town and surrounding villages to support randomized, controlled trials. With over three decades of prospective surveillance, and through specific scientific investigations, the platform (population =  50 000) has generated data on: morbidity and mortality due to malaria in children and during pregnancy; non-communicable disease among adults; reproductive health; and levels and trends in childhood and maternal mortality. Other information routinely collected includes causes of death through verbal autopsy, and household socioeconomic indicators. The current portfolio of the platform includes tracking Millennium Development Goal 4 (MDG4) attainments in rural Gambia and cause-of-death determination.","coll_dates":[{"start":"1982-01-01","end":"2014-12-31","cycle":"Release coverage"}],"nation":[{"name":"Gambia, The","abbreviation":"GMB"}],"geog_coverage":"The Farafenni HDSS is located between latitudes 13 and 14  N and longitudes 15 and 16 W, extending 32 km to the east and 22 km to the west of Farafenni. Farafenni town (2012 population  25000) is situated in the North Bank Region of The Gambia and is 170 km in-land from the capital, Banjul. The HDSS was initially made up of two clusters of villages and hamlets to the east and west of Farafenni town. Communities within a 10 km radius were excluded because the initial task of the platform was to assist in an evaluation of the impact of the village-based PHC programme on child and maternal morbidity and mortality with a particular focus on the role of malaria. The surveillance area was expanded in July 2002 to include Farafenni town and its satellite villages. This new segment was designated the urban demographic surveillance area (DSA) despite the satellite villages being very similar to the rural ones, distinguishing it from the initial surrounding clusters of rural villages.","analysis_unit":"Individual","universe":"The survey covered all resident population.","data_kind":"Event history data","notes":"The scope of the study includes:\n- Demography\n- Emigration and Immigration\n- Mortality\n- Birth Rate","study_scope":"The scope of the study includes:\n- Demography\n- Emigration and Immigration\n- Mortality\n- Birth Rate"},"method":{"data_collection":{"data_collectors":[{"name":"Farafenni HDSS","abbreviation":"GM011","affiliation":"Medical Research Council Unit, The Gambia"}],"frequency":"Round 10-18 : once a year\nRound 19 : 5 months\nRound 20-47 : 4 times a year\nRound 48-51 : 4 months\nRound 52 : 3 months\nRound 53-60: 4 times a year\nRound 61: 20 months\nRound 62-74: 3 times a year","sampling_procedure":"This dataset is not based on a sample, it contains information from the entire demographic surveillance area.","sampling_deviation":"None","coll_mode":"Proxy Respondent [proxy]","research_instrument":"List of questionnaires: \n- Household Register\n- Child Health Information Form\n- Verbal Autopsy (WHO)","coll_situation":"The initial census was conducted in 1981 and surveillance procedures adopted between 1983 and 1989 are described in the published profile of the Farafenni HDSS.A change in data collection and management procedures in 1989 required fieldworkers to visit every compound under surveillance at least once every quarter to update the survival and residency status of every resident. Resident village reporters, volunteers recruited and trained on the recording of demographic events within their villages, keep records of births, deaths and migrations in and out of their villages.","act_min":"Fieldworkers operate in a team of 6 supervised by a Field Supervisor. The Supervisor conducts supervisory and quality control visits and reviews fieldworkers' data collection. A Field Coordinator oversees all data collection and supervision activities.","weight":"Not applicable","method_notes":"The following processing checks are done during the ETL process.\n\n1. If the first event is legal. Like the first event must beenumeration, birth or inmigration.\n\n2. If the last event is legal. Like the last event must be end of observtion, death or outmigration.\n\n3. If the transition events are legal.\n\nThe list of legal transitions:\nBirth followed by death\nBirth followed by exit\nBirth followed by end of observation\nBirth followed by outmigration\nDeath followed by none\nEntry followed by death\nEntry followed by exit\nEntry followed by end of observation\nEntry followed by outmigration\nEnumeration followed by death\nEnumeration followed by exit\nEnumeration followed by outmigration\nExit followed by entry\nInmigration followed by Death\nInmigration followed by exit\nInmigration followed by end of observation\nInmigration followed by outmigration\nEnd of observation followed by none\nOutmigration followed by none\nOutmigration followed by enumeration\nOutmigration followed by inmigration\nThe list of illegal transitions:\nBirth followed by none\nBirth followed by birth\nBirth followed by entry\nBirth followed by enumeration\nBirth followed by inmigration\nDeath followed by birth\nDeath followed by death\nDeath followed by entry\nDeath followed by enumeration\nDeath followed by exit\nDeath followed by inmigration\nDeath followed by outmigration\nDeath followed by end of observation\nEntry followed by none\nEntry followed by birth\nEntry followed by entry\nEntry followed by enumeration\nEntry followed by inmigration\nEnumeration followed by none\nEnumeration followed by birth\nEnumeration followed by entry\nEnumeration followed by enumeration\nEnumeration followed by inmigration\nExit followed by birth\nExit followed by death\nExit followed by exit\nExit followed by end of observation\nExit followed by outmigration\nInmigration followed by none\nInmigration followed by birth\nInmigration followed by entry\nInmigration followed by enumeration\nInmigration followed by inmigration\nEnd of observation followed by birth\nEnd of observation followed by death\nEnd of observation followed by entry\nEnd of observation followed by enumeration\nEnd of observation followed by exit\nEnd of observation followed by inmigration\nEnd of observation followed by end of observation\nEnd of observation followed by outmigration\nOutmigration followed by birth\nOutmigration followed by death\nOutmigration followed by exit\nOutmigration followed by end of observation\nOutmigration followed by outmigration\nList of edited events:\nExit followed by none\nExit followed by enumeration\nExit followed by inmigration\nOutmigration followed by entry"},"analysis_info":{"response_rate":"On an average the response rate is around 100% over the years in all rounds","sampling_error_estimates":"Not applicable","data_appraisal":"CentreId\tMetricTable\tQMetric\t\tIllegal\tLegal\tTotal\tMetric\tRunDate\nGM011\tMicroDataCleaned\tStarts\t\t111699\t\t\t2017-05-15 19:01\t\nGM011\tMicroDataCleaned\tTransitions\t298762\t298762\t0\t2017-05-15 19:01\t\nGM011\tMicroDataCleaned\tEnds\t\t111699\t\t\t2017-05-15 19:02\t\nGM011\tMicroDataCleaned\tSexValues\t298762\t\t\t2017-05-15 19:02\t\nGM011\tMicroDataCleaned\tDoBValues\t298762\t\t\t2017-05-15 19:02"}},"data_access":{"dataset_availability":{"original_archive":"Farafenni (GM011)"},"dataset_use":{"conf_dec":[{"txt":"This data is anonymised and no confidentiality agreement in addition to the general data use agreement is required.","required":"yes","form_no":"","uri":""}],"contact":[{"name":"iSHARE2 Help desk","affiliation":"INDEPTH","email":"help-data@indepth-network.org","uri":"http:\/\/indepth-ishare.org"}],"cit_req":"Any use of this dataset must cite the digital object identifier (doi) associated with this dataset. Using the following form:\n\n\"Farafenni INDEPTH Core Dataset 1982-2014 (Release 2017). Provided by the INDEPTH Network Data Repository. www.indepth-network.org <http:\/\/www.indepth-network.org>.doi: 10.7796 \/INDEPTH.GM011.CMD2014.v1\"","conditions":"This data is made available for licensed access under the following conditions: \n\n1. Data and other material provided by INDEPTH will not be redistributed or sold to other individuals, institutions or organisations without INDEPTH's written agreement. \n\n2. In the case of multi-centre datasets, data originating from a single contributing member centre of the INDEPTH Network may not be analysed or reported on in isolation without the express permission of the member centre concerned.  \n\n3. No attempt will be made to re-identify respondents, and there will be no use of the identity of any person or establishment discovered inadvertently. Any such discovery will be reported immediately to INDEPTH. \n\n4. No attempt will be made to produce links between datasets provided by INDEPTH or between INDEPTH data and other datasets that could identify individuals. \n\n5. Any books, articles, conference papers, theses, dissertations, reports or other publications employing data obtained from INDEPTH will cite the source, in line with the citation requirement provided with the dataset. \n\n6. An electronic copy of all publications based on the requested data will be sent to INDEPTH. \n\n7. The original collector of the data, INDEPTH, and the relevant funding agencies bear no responsibility for the data's use or interpretation or inferences based upon it.","disclaimer":"The user of the data acknowledges that the original collector of the data, INDEPTH, and the relevant funding agencies bear no responsibility for the data's use or interpretation or inferences based upon it."}}},"data_files":[{"file_id":"F1","file_name":"GM011.CMD2014.V1","description":"Event History Micro Data Set of Farafenni HDSS","case_count":"0","var_count":"14","producer":null,"data_checks":null,"missing_data":null,"version":null,"notes":null}],"variables":[{"vid":"V1","name":"RecNr","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"1","var_end_pos":"1","var_width":"1","var_rec_seg_no":"1","labl":"RecNr","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"A sequential number uniquely identifying each record in the data file","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V2","name":"CountryId","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"2","var_end_pos":"2","var_width":"1","var_rec_seg_no":"1","labl":"CountryId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"ISO 3166-1 numeric code of the county in which the surveillance site is situated","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V3","name":"CentreId","file_id":"F1","var_intrvl":"discrete","var_start_pos":"3","var_end_pos":"7","var_width":"5","var_rec_seg_no":"1","labl":"CentreId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"An identifier issued by INDEPTH to each member centre of the format CCCSS, where CCC is a sequential centre identifier and SS is a sequential identifier of the site within the centre in the case of multiple site centres","var_format":"character","var_format_schema":"other","fid":"F1"},{"vid":"V4","name":"IndividualId","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"8","var_end_pos":"8","var_width":"1","var_rec_seg_no":"1","labl":"IndividualId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"A number uniquely identifying all the records belonging to a specific individual in the data file. This number is not the same as the identifier used by a contributing centre to identify the individual.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V5","name":"Sex","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"9","var_end_pos":"9","var_width":"1","var_rec_seg_no":"1","labl":"Sex","var_val_range":[{"units":"REAL","min":"0","max":"2"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_catgry":[{"value":"0","labl":"Unknown","stats":null,"type":null},{"value":"1","labl":"Male","stats":null,"type":null},{"value":"2","labl":"Female","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V6","name":"DoB","file_id":"F1","var_intrvl":"discrete","var_start_pos":"10","var_end_pos":"19","var_width":"10","var_rec_seg_no":"1","labl":"DoB","var_sumstat":[{"value":"0","type":"vald"}],"var_txt":"The date of birth of the individual. Format: YYYY\/MM\/DD","var_format":"character","var_format_name":"Nesstar.date","var_format_schema":"other","var_format_category":"date","fid":"F1"},{"vid":"V7","name":"EventCount","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"20","var_end_pos":"20","var_width":"1","var_rec_seg_no":"1","labl":"EventCount","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"The total number of events associated with this individual in this data set","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V8","name":"EventNr","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"21","var_end_pos":"21","var_width":"1","var_rec_seg_no":"1","labl":"EventNr","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"A number increasing from 1 to EventCount for each event record in order of event occurrence","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V9","name":"EventCode","file_id":"F1","var_intrvl":"discrete","var_start_pos":"22","var_end_pos":"24","var_width":"3","var_rec_seg_no":"1","labl":"EventCode","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"A code identifying the type of event that has occurred.","var_catgry":[{"value":"BTH","labl":"Birth","stats":null,"type":null},{"value":"DLV","labl":"Delivery","stats":null,"type":null},{"value":"DTH","labl":"Death","stats":null,"type":null},{"value":"ENT","labl":"Internal Entry","stats":null,"type":null},{"value":"ENU","labl":"Enumeration","stats":null,"type":null},{"value":"EXT","labl":"Internal Exit","stats":null,"type":null},{"value":"IMG","labl":"In Migration","stats":null,"type":null},{"value":"OBE","labl":"Observation Right Censored","stats":null,"type":null},{"value":"OBL","labl":"Observation Lost","stats":null,"type":null},{"value":"OBS","labl":"Observation","stats":null,"type":null},{"value":"OMG","labl":"Out Migration","stats":null,"type":null}],"var_format":"character","var_format_schema":"other","fid":"F1"},{"vid":"V10","name":"EventDate","file_id":"F1","var_intrvl":"discrete","var_start_pos":"25","var_end_pos":"34","var_width":"10","var_rec_seg_no":"1","labl":"EventDate","var_sumstat":[{"value":"0","type":"vald"}],"var_txt":"The date on which the event occurred. Format: YYYY\/MM\/DD","var_format":"character","var_format_name":"Nesstar.date","var_format_schema":"other","var_format_category":"date","fid":"F1"},{"vid":"V11","name":"ObservationDate","file_id":"F1","var_intrvl":"discrete","var_start_pos":"35","var_end_pos":"44","var_width":"10","var_rec_seg_no":"1","labl":"ObservationDate","var_sumstat":[{"value":"0","type":"vald"}],"var_txt":"Date on which the event was observed (recorded), also known as surveillance visit date. Format: YYYY\/MM\/DD\n\nDates less than 1800\/01\/01 are missing values","var_format":"character","var_format_name":"Nesstar.date","var_format_schema":"other","var_format_category":"date","fid":"F1"},{"vid":"V12","name":"LocationId","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"45","var_end_pos":"45","var_width":"1","var_rec_seg_no":"1","labl":"LocationId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Unique identifier associated with a residential unit within the site and is the location where the individual was or became resident when the event occurred. This identifier is not be the same as the identifier used internally by the contributing centre.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V13","name":"MotherId","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"46","var_end_pos":"46","var_width":"1","var_rec_seg_no":"1","labl":"MotherId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"IndividualId of the mother. Only provided for BTH events.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V14","name":"DeliveryId","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"47","var_end_pos":"47","var_width":"1","var_rec_seg_no":"1","labl":"DeliveryId","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"The RecNr of the delivery event associated with this birth","var_format":"numeric","var_format_schema":"other","fid":"F1"}],"variable_groups":[]}