Emily Karahalios

Transmission of SARS-CoV-2 in standardised first few X cases and household transmission investigations: A systematic review and meta-analysis

Hannah C Lewis, Adrian J Marcato, Niamh Meagher, Marta Valenciano, Juan-Pablo Villanueva-Cabezas, Violeta Spirkoska, James E Fielding, Amalia Karahalios, Lorenzo Subissi, Anthony Nardone, Brianna Cheng, Soatiana Rajatonirina, Joseph Okeibunor, Eman A Aly, Amal Barakat, Pernille Jorgensen, Tasnim Azim, Pushpa R Wijesinghe, Linh-Vi Le, Angel Rodriguez, et al.

Journal article  |  2022  |  INFLUENZA AND OTHER RESPIRATORY VIRUSES

We aimed to estimate the household secondary infection attack rate (hSAR) of SARS-CoV-2 in investigations aligned with the WHO Uni..

Comparing the effectiveness, safety and tolerability of interventions for depressive symptoms in people with multiple sclerosis: a systematic review and network meta-analysis protocol

Julia Lyons, Stephanie Campese, Yvonne C Learmonth, Alexandra Metse, Allan G Kermode, Amalia Karahalios, Claudia H Marck

Journal article  |  2022  |  BMJ OPEN

BACKGROUND: Comorbid depression is prevalent in people with multiple sclerosis (MS). Depression is commonly untreated or undertrea..

Reducing the risk of Plasmodium vivax after falciparum infections in co-endemic areas-a randomized controlled trial (PRIMA).

Kamala Thriemer, Tamiru Shibru Degaga, Michael Christian, Mohammad Shafiul Alam, Benedikt Ley, Mohammad Sharif Hossain, Mohammad Golam Kibria, Tedla Teferi Tego, Dagimawie Tadesse Abate, Sophie Weston, Amalia Karahalios, Megha Rajasekhar, Julie A Simpson, Angela Rumaseb, Hellen Mnjala, Grant Lee, Rodas Temesgen Anose, Fitsum Getahun Kidane, Adugna Woyessa, Kevin Baird, et al.

Journal article  |  2022  |  Trials

BACKGROUND: Plasmodium vivax forms dormant liver stages that can reactivate weeks or months following an acute infection. Recurren..

Methodological systematic review recommends improvements to conduct and reporting when meta-analyzing interrupted time series studies.

Elizabeth Korevaar, Amalia Karahalios, Simon L Turner, Andrew B Forbes, Monica Taljaard, Allen C Cheng, Jeremy M Grimshaw, Lisa Bero, Joanne E McKenzie

Journal article  |  2022  |  J Clin Epidemiol

OBJECTIVES: Interrupted Time Series (ITS) are a type of nonrandomized design commonly used to evaluate public health policy interv..

Adiposity and breast, endometrial, and colorectal cancer risk in postmenopausal women: Quantification of the mediating effects of leptin, C-reactive protein, fasting insulin, and estradiol

S Ghazaleh Dashti, Julie A Simpson, Vivian Viallon, Amalia Karahalios, Margarita Moreno-Betancur, Theodore Brasky, Kathy Pan, Thomas E Rohan, Aladdin H Shadyab, Cynthia A Thomson, Robert A Wild, Sylvia Wassertheil-Smoller, Gloria YF Ho, Howard D Strickler, Dallas R English, Marc J Gunter

Journal article  |  2022  |  CANCER MEDICINE

BACKGROUND: Mechanisms underlying the adiposity-cancer relationship are incompletely understood. We quantified the mediating roles..

Contrast-Based and Arm-Based Models for Network Meta-Analysis

A Karahalios, JE McKenzie, IR White

Book Chapter  |  2022  |  Methods in Molecular Biology

Network meta-analysis is used to synthesize evidence from a network of treatments. The models used in a network meta-analysis are ..

The relationship between markers of antenatal iron stores and birth outcomes differs by malaria prevention regimen-a prospective cohort study

Holger W Unger, Valentina Laurita Longo, Andie Bleicher, Maria Ome-Kaius, Stephan Karl, Julie A Simpson, Amalia Karahalios, Elizabeth H Aitken, Stephen J Rogerson

Journal article  |  2021  |  BMC MEDICINE

BACKGROUND: Iron deficiency (ID) has been associated with adverse pregnancy outcomes, maternal anaemia, and altered susceptibility..

Mobility Deterioration During Acute Pneumonia Illness Is Associated With Increased Hospital Length of Stay and Health Service Costs: An Observational Study

Melanie Lloyd, Emily Callander, Koen Simons, Amalia Karahalios, Graeme Maguire, Edward Janus, Harin Karunajeewa

Journal article  |  2021  |  Cardiopulmonary Physical Therapy Journal

Evaluation of statistical methods used in the analysis of interrupted time series studies: a simulation study.

Simon L Turner, Andrew B Forbes, Amalia Karahalios, Monica Taljaard, Joanne E McKenzie

Journal article  |  2021  |  BMC Med Res Methodol

BACKGROUND: Interrupted time series (ITS) studies are frequently used to evaluate the effects of population-level interventions or..

Comparison of six statistical methods for interrupted time series studies: empirical evaluation of 190 published series.

Simon L Turner, Amalia Karahalios, Andrew B Forbes, Monica Taljaard, Jeremy M Grimshaw, Joanne E McKenzie

Journal article  |  2021  |  BMC Med Res Methodol

BACKGROUND: The Interrupted Time Series (ITS) is a quasi-experimental design commonly used in public health to evaluate the impact..