Results 41 to 50 of about 764,488 (346)

Time-Series Intervention Analysis Using ITSACORR: Fatal Flaws [PDF]

, 2007
The ITSACORR method (Crosbie, 1993, 1995) is evaluated for the analysis of two-phase interrupted time-series designs. It is shown that each component of the ITSACORR framework (including the structural model, the design matrix, the autocorrelation ...
Huitema, Bradley E., Laraway, Sean, McKean, Joseph W.   +2 more
core   +2 more sources

Impact of the Clinical Trials Act on Noncommercial Clinical Research in Japan: An Interrupted Time-series Analysis

Journal of Epidemiology, 2022
Background: The number of new noncommercial clinical studies conducted in Japan declined within the first year of the implementation of the Clinical Trials Act (CTA) on April 1, 2018. This study aimed to examine the impact of the CTA’s enforcement on the
Ikuyo Tsutsumi, Yusuke Tsutsumi, Chikashi Yoshida, Takuya Komeno, Yuichi Imanaka   +4 more
doaj   +1 more source

Changes in the number of cancer diagnosis practices due to the COVID-19 pandemic: interrupted time-series analysis using the National Database of Japan

Journal of Cancer Research and Clinical Oncology, 2023
Purpose This study aimed to reveal the impact of coronavirus disease 2019 on the number of practices commonly used for cancer diagnosis in Japan. Methods The sampling dataset of the National Database of Japan from January 2015 to January 2021 was used to
M. Fujita, Kengo Nagashima, Kiminori Suzuki, T. Kasai, H. Hashimoto, Kazuya Yamaguchi, Y. Onouchi, Daisuke Sato, T. Fujisawa, A. Hata   +9 more
semanticscholar   +1 more source

Impact of pesticide regulations on mortality from suicide by pesticide in China: an interrupted time series analysis

Frontiers in Psychiatry, 2023
Background Pesticide bans and regulatory restrictions have been shown to be effective strategies for preventing suicide in several countries. Suicide and suicide by pesticides have decreased significantly in China over the past two decades.
Yongfu Yan, Yingying Jiang, Rong Liu, M. Eddleston, C. Tao, Andrew Page, Lijun Wang, G. Feng, Shiwei Liu   +8 more
semanticscholar   +1 more source

What is the impact of psychiatric decision units on mental health crisis care pathways? Protocol for an interrupted time series analysis with a synthetic control study [PDF]

, 2020
Background The UK mental health system is stretched to breaking point. Individuals presenting with mental health problems wait longer at the ED than those presenting with physical concerns and finding a bed when needed is difficult – 91% of psychiatric ...
Anderson, K, Clarke, G, Gillard, S, Goldsmith, LP, Lomani, J, Smith, JG, Turner, K   +6 more
core   +3 more sources

The Impact of an Inactivated Hepatitis A Vaccine with One Dose in Brazil: A Retrospective Time-Series

Vaccines, 2021
Background: In 2014, a recommended one-dose of inactivated hepatitis A vaccine was included in the Brazilian National Immunization Program targeting children 12–24 months.
Ana Luiza Bierrenbach, Yoonyoung Choi, Paula de Mendonça Batista, Fernando Brandão Serra, Cintia Irene Parellada, Guilherme Silva Julian, Karina Nakajima, Thais das Neves Fraga Moreira   +7 more
doaj   +1 more source

RETRACTED: Changes in soft drinks purchased by British households associated with the UK soft drinks industry levy: controlled interrupted time series analysis

British medical journal, 2021
Objective To determine changes in household purchases of drinks and confectionery one year after implementation of the UK soft drinks industry levy (SDIL). Design Controlled interrupted time series analysis.
D. Pell, O. Mytton, Tarra L Penney, A. Briggs, S. Cummins, Catrin Penn-Jones, M. Rayner, H. Rutter, P. Scarborough, S. Sharp, Richard D. Smith, M. White, Jean Adams   +12 more
semanticscholar   +1 more source

Intermittent behaviour of a Cracked Rotor in the resonance region [PDF]

, 2008
Vibrations of the Jeffcott rotor are modelled by a three degree of freedom system including coupling between lateral and torsional modes. The crack in a rotating shaft of the rotor is introduced via time dependent stiffness with off diagonal couplings ...
Litak, Grzegorz, Sawicki, Jerzy T.
core   +3 more sources

Contracting of private medical practitioners in a National Health Insurance pilot district: What has been the effect on primary healthcare utilisation indicators?

African Journal of Primary Health Care & Family Medicine, 2020
Background: In 2012, the National Department of Health in South Africa started contracting of private medical practitioners (MPs) as part of the first phase of National Health Insurance (NHI) in 11 pilot districts to improve access to healthcare.
Hillary Mukudu, Kennedy Otwombe, Adam Fusheini, Jude Igumbor   +3 more
doaj   +1 more source

Time modifier billing code - an interrupted time series analysis

Canadian Journal of Emergency Nursing, 2021
Time modifier billing code: Interrupted time series analysis. Terrence McDonald, Brendan Cord Lethebe, Alistair McGuire, Lee Green Background: Alberta has the highest percentage of fee-for-service Family Physicians in Canada at over 80%. In 2019 as part of a cost containment strategy, the Alberta government proposed a policy change to eliminate the ...
Terrence McDonald, Brendan Lethebe, Alistair McGuire, Lee Green   +3 more
openaire   +2 more sources