A population-based eye survey of older adults in a rural district of Rajasthan: I. Central vision impairment, blindness, and cataract surgery Scientific literature GHDx Entry last modified on: Jul 20, 2021
United Kingdom Mental Health of Children and Adolescents Survey 1999 - UK Data Service Mental Health of Children and Adolescents in Great Britain, 1999 Survey: Cross-sectional - Individual - Interview GHDx Entry last modified on: Mar 25, 2024
United States National Health and Nutrition Examination Survey 1999-2000 Survey: Cross-sectional - Exam - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Dec 14, 2023
Morbidity profile and its relationship with disability and psychological distress among elderly people in Northern India Scientific literature GHDx Entry last modified on: Mar 7, 2024
Survey of blindness and visual impairment in Bioko, Equatorial Guinea Scientific literature GHDx Entry last modified on: Jul 20, 2021
Côte d'Ivoire General Population and Housing Census 1998 Recensement general de la population et de l'habitation 1998 Census: Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
India Demographic and Health Survey 1998-1999 India National Family Health Survey (NFHS-2) 1998-99 Survey: Household - Individual - Interview - Nationally representative - Subnationally representative - Verbal autopsy GHDx Entry last modified on: Oct 2, 2023
Ghana Demographic and Health Survey 1998-1999 Survey: Cross-sectional - GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Aug 19, 2022
United States - South Carolina Traumatic Brain Injury Follow-up Registry A Population-based Outcomes Study of Persons Hospitalized With Traumatic Brain Injury Survey: Discharge - Health facility - Individual - Interview - Longitudinal GHDx Entry last modified on: Aug 5, 2021
Central African Republic National Survey on Vitamin A Deficiency, Iron Deficiency and the Consumption of Iodized Salt 1998-1999 Enquête nationale sur l'avitaminose A, la carence en fer et la consommation du sel iode Survey: Cross-sectional - Household - Individual - Interview - Urban-rural representative GHDx Entry last modified on: Aug 23, 2023
Russia Longitudinal Monitoring Survey of HSE, Round VIII 1998-1999 Survey: Community - Household - Individual - Interview - Longitudinal - Nationally representative GHDx Entry last modified on: Dec 14, 2023
South Africa October Household Survey 1998 Survey: Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Mar 27, 2023
Mexico National Nutrition Survey 1998-1999 Encuesta Nacional de Nutrición (ENN) 1999 Survey: Nationally representative - Urban-rural representative GHDx Entry last modified on: Aug 5, 2021
United Kingdom British Household Panel Survey 1998-1999 Survey: Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative GHDx Entry last modified on: Sep 21, 2022
Norway Survey of Living Conditions Concerning Health, Care and Social Relations 1998 Level of living 1998 - Cross sectional study - Health Survey: Cross-sectional - Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
Philippines - Cebu Longitudinal Health and Nutrition Survey 1998-2000 Cebu Longitudinal Health and Nutrition Survey 1998-1999 Survey: Community - Health facility - Household - Individual - Interview - Longitudinal - Urban-rural representative GHDx Entry last modified on: Aug 5, 2021
United Kingdom - Welsh Health Survey 1998 - UK Data Service Survey: Household - Individual GHDx Entry last modified on: Aug 5, 2021
Burkina Faso Priority Survey 1998 Enquête Prioritaire sur les conditions de vie des ménages Survey: Cross-sectional - GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Mali General Population and Housing Census 1998 - IPUMS Troisieme recensement général de la population et de l'habitat Census: De facto - De jure - Household - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Qatar Family Health Survey 1998 QFHS-98 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Aug 19, 2022
Bolivia Demographic and Health Survey 1998 Encuesta Nacional de Demografia y Salud 1998 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Aug 23, 2023
India SRS Special Fertility and Mortality Survey 1998 Sample Registration System, Special Fertility and Mortality Survey, 1998 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Aug 5, 2021
Philippines National Nutrition Survey 1998 Fifth National Nutrition Survey Survey: Household GHDx Entry last modified on: Aug 23, 2023
United States Behavioral Risk Factor Surveillance System 1998 Survey: Cross-sectional - Household - Individual - Interview - Subnationally representative GHDx Entry last modified on: Jul 13, 2022
China National Health Services Survey 1998 Survey: Household - Interview - Nationally representative GHDx Entry last modified on: Aug 5, 2021
United States Medical Expenditure Panel Survey 1998 Survey: Cross-sectional - Health facility - Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative GHDx Entry last modified on: Jul 15, 2022
Botswana Health Statistics Report 1998 Report: Discharge - Epi surveillance - Inpatient - Outpatient - Subnationally representative GHDx Entry last modified on: Sep 2, 2021
Ireland Survey of Lifestyle Attitudes and Nutrition 1998 SLAN 1998 Survey: Household - Nationally representative GHDx Entry last modified on: Dec 14, 2023
Evaluation of E-optotypes as a screening test and the prevalence and causes of visual loss in a rural population in SW Uganda Scientific literature GHDx Entry last modified on: Jul 20, 2021
Prevalence of infant Vitamin A deficiency and undernutrition in the Republic of Congo Scientific literature GHDx Entry last modified on: Oct 18, 2021
Thailand Public Health Statistics 2012 Report: National vital registration - Subnationally representative GHDx Entry last modified on: Aug 26, 2021
Refractive Error Study in Children: results from La Florida, Chile Scientific literature GHDx Entry last modified on: Jun 29, 2020
Sensory impairment and cognitive functioning in oldest-old subjects: the Leiden 85+ Study Scientific literature GHDx Entry last modified on: Jul 20, 2021
United Kingdom - Northern Ireland Continuous Household Survey 1998-1999 - UK Data Service Survey: Household GHDx Entry last modified on: Aug 5, 2021
United Kingdom - England Longitudinal Study of Ageing, Waves 0-7 1998-2015 - UK Data Service English Longitudinal Study of Ageing (ELSA) Survey: Exam - Individual - Interview - Longitudinal GHDx Entry last modified on: Aug 5, 2021
Prevalence of visual impairment, blindness, and cataract surgery in the Hong Kong elderly Scientific literature GHDx Entry last modified on: Jul 20, 2021
Glaucoma in Zulus: a population-based cross-sectional survey in a rural district in South Africa Scientific literature GHDx Entry last modified on: Mar 3, 2019
Vitamin A Status of Children in Different Provinces of Papua New Guinea Survey GHDx Entry last modified on: Feb 26, 2021
Japan Statistical Yearbook 2011 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Japan Statistical Yearbook 2012 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Ocular diseases and blindness in elderly Thais Scientific literature GHDx Entry last modified on: Mar 3, 2019
Japan Statistical Yearbook 2014 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Prevalence and causes of blindness and low vision in a rural setting in Pakistan Scientific literature GHDx Entry last modified on: Jul 20, 2021
Netherlands Permanent Quality of Life Survey 1998 Permanent onderzoek naar de leefsituatie (POLS) 1998 Survey: Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Dec 14, 2023
Botswana Health Statistics Report 2002 Report: Discharge - Epi surveillance - Inpatient - National vital registration - Nationally representative - Outpatient - Subnationally representative GHDx Entry last modified on: Jan 7, 2022
Japan Statistical Yearbook 2016 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Prevalence and causes of functional low vision in school-age children: results from standardized population surveys in Asia, Africa, and Latin America Scientific literature GHDx Entry last modified on: Dec 28, 2023
Japan Statistical Yearbook 2015 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Turkey Statistical Yearbook 2011 Türkіye іstatіstіk Yilliği 2011 Report GHDx Entry last modified on: Nov 6, 2018
Democratic Republic of the Congo - Significance of Vitamin A Deficiency in the Democratic Republic of the Congo Importance de la carence en vitamine A en Republique Democratique du Congo Report GHDx Entry last modified on: Oct 18, 2021