Search Results - Longitudinal method

A method to measure rural household livelihood flexibility and assess its explanatory factors using longitudinal data by CGIAR Research Program on Policies, Institutions, and Markets

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Methodological innovations in research on the dynamics of poverty: a longitudinal study in KwaZulu-Natal, South Africa by Adato, Michelle, Lund, Francie, Mhlongo, Phakama

“…This article presents the qualitative methodology used in a mixed methods longitudinal study of poverty dynamics in KwaZulu-Natal province in South Africa. …”
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Innovations in mixed methods to understand poverty dynamics: a multidisciplinary approach to longitudinal research in KwaZulu-Natal, South Africa by Adato, Michelle, Lund, Francie, Mhlongo, Phakama

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Changes in children’s and adolescents’ dietary intake after the implementation of Chile’s law of food labeling, advertising and sales in schools: A longitudinal study by Fretes, Gabriela, Corvalán, Camila, Reyes, Marcela, Taillie, Lindsey Smith, Economos, Christina D., Wilson, Norbert L.W., Cash, Sean B.

“…This study’s objective was to assess changes in child and adolescent intake of key nutrients of concern (total sugars, saturated fats, and sodium) at school after the initial implementation of Chile’s Law of Food Labeling and Advertisement. Methods Longitudinal study of 349 children from the Food Environment Chilean Cohort (FECHIC) and 294 adolescents from the Growth and Obesity Cohort Study (GOCS). …”
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Inference for the break point in segmented regression with application to longitudinal data by Piepho, Hans-Peter, Ogutu, Joseph O.

“…A confidence interval can be constructed provided replicate data are available. The methods are exemplified using two longitudinal datasets, the one from ecology, the other from pharmacology.…”
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Longitudinal study of small ruminant zoonoses in Tana River, Kenya by Wainaina, Martin, Lindahl, Johanna F., Dohoo, I., Mayer-Scholl, A., Roesel, Kristina, Mbotha, Deborah, Roesler, U., Grace, Delia, Bett, Bernard K., Al Dahouk, S.

“…Materials and methods Sampling was done in pastoral, irrigated, and riverine settings in Tana River County. …”
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Effects of persistent undernutrition during adolescence on learning skills: Findings from a longitudinal study of 16,000 adolescents in India by Walia, Monika, Nguyen, Phuong Hong, Pant, Anjali, Menon, Purnima, Scott, Samuel P.

“…This study aimed to examine the effect of undernutrition in early adolescence on learning skills in late adolescence. Methods: We used longitudinal data from a project called UDAYA that surveyed 16,929 adolescents aged 10–19 years from Bihar and Uttar Pradesh, India in 2015–16 (wave 1) and again in 2018–19 (wave 2). …”
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The interplay between and COVID-19 outbreaks in South Asia: Longitudinal trend analysis of surveillance data by Welch, Sarah B., Kulasekere, Dinushi Amanda, Prasad, Vara, Moss, Charles B., Murphy, Robert L., Achenbach, Chad J., Ison, Michael G., Resnick, Danielle, Singh, Lauren, White, Janine, Issa, Tariq Z., Culler, Kasen, Faber, Joshua Marco Mitchell, Boctor, Michael J., Mason, Maryann, Oehmke, James Francis, Post, Lori Ann

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SARS-CoV-2 Surveillance in the Middle East and North Africa: Longitudinal Trend Analysis by Post, Lori Ann, Marogi, Emily, Moss, Charles B., Murphy, Robert Leo, Ison, Michael G., Resnick, Danielle

“…Existing surveillance coupled with our dynamic metrics of transmission will inform health policy to control the COVID-19 pandemic until an effective vaccine is developed. Methods: Using a longitudinal trend analysis study design, we extracted 30 days of COVID-19 data from public health registries. …”
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Eigen decomposition expedites longitudinal genome-wide association studies for milk production traits in Chinese Holstein by Chao Ning, Dan Wang, Xianrui Zheng, Qin Zhang, Shengli Zhang, Mrode, Raphael A., Jian-Feng Liu

“…Computational inefficiency challenges the direct use of test-day records for longitudinal GWAS with large datasets. We propose a rapid longitudinal GWAS method that is based on a random regression model. …”
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Impacts of consumption tracking and tailored feedback on meeting nutritional recommendations: a longitudinal regression discontinuity study by Jensen, Nathaniel D., Lepariyo, Watson, Alulu, Vincent, Sibanda, Simbarashe

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Impact of the Implementation of a Bovine Viral Diarrhea Virus Targeted Vaccine in Dairy Farms: Longitudinal Analysis by Bellido, Demian, Wenz, Diego, Schang, Martin, Rubiolo, Facundo Tibaldo, Mangioni, Pablo, Gumina, Emanuel, Wigdorovitz, Andres, Parreño, Viviana

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Home environment and nutritional status mitigate the wealth gap in child development: A longitudinal study in Vietnam by Tran, Lan Mai, Nguyen, Phuong Hong, Young, Melissa F., Ramakrishnan, Usha, Alderman, Harold

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Association between supportive supervision and performance of community health workers in India: A longitudinal multi-level analysis by Gopalakrishnan, Lakshmi, Diamond-Smith, Nadia, Avula, Rasmi, Menon, Purnima, Fernald, Lia, Walker, Dilys, Patil, Sumeet

“…We also tested to see if supportive supervision is indirectly associated with CHW performance through CHW knowledge. Methods We used longitudinal survey data of CHWs from an impact evaluation of an at-scale technology intervention in Madhya Pradesh and Bihar. …”
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Dynamic metrics for public health surveillance are imperative to gain control of the COVID-19 pandemic in America: Longitudinal trend analysis by Post, Lori Ann, Issa, Tariq Ziad, Boctor, Michael J., Moss, Charles B., Murphy, Robert Leo, Resnick, Danielle

“…Advanced surveillance techniques are essential to inform public health decision-making and to identify where and when corrective action is required to prevent outbreaks. Methods: Using a longitudinal trend analysis study design, we extracted COVID data from global public health registries. …”
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Teenage birth leads to short stature and anemia: Evidence from a longitudinal study of 10,000 girls in India by Pant, Anjali, Scott, Samuel P., Walia, Monika, Menon, Purnima, Nguyen, Phuong Hong

“…We assessed the impact of early birth on female adolescents' undernutrition status. Methods: We used longitudinal data collected under a project called UDAYA that surveyed adolescent girls in northern India (Uttar Pradesh and Bihar) in 2015–16, with a follow-up round in 2018–19. …”
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Household food security is associated with early childhood language development: Results from a longitudinal study in rural Bangladesh by Saha, Kuntal K., Tofail, F., Frongillo, Edward A., Rasmussen, K. M., Arifeen, S. E., Persson, L. A., Huda, S. N., Hamadani, J. D.

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Epidemiology of village chicken diseases: A longitudinal study on the magnitude and determinants of morbidity and mortality—The case of Newcastle and infectious bursal disease by Jarso, D.

“…Simple random sampling method was used to select the peasant associations (PAs) and the households. …”
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The effects of increasing rates of HIV/AIDS-related illness and death on rural families in Zombia district, Malawi: A longitudinal study by Peters, Pauline E., Kambewa, Daimon, Walker, Peter

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Changes in anemia and anthropometry during adolescence predict learning outcomes: Findings from a 3-year longitudinal study in India by Nguyen, Phuong Hong, Walia, Monika, Pant, Anjali, Menon, Purnima, Scott, Samuel P.

“…Objectives: We examined the association between changes in anemia and physical growth during adolescence and learning outcomes. Methods: We used longitudinal data from the Understanding the Lives of Adolescents and Young Adults (UDAYA) project, which surveyed adolescents aged 10–19 years in northern India in 2015–16 and 2018–19 (n = 5963). …”
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