Publications by authors named "Ghaznavi C"

Article Synopsis
  • The COVID-19 pandemic caused significant disruptions in healthcare use in Japan, especially during its later stages (2022-2023), which had not been thoroughly studied before.
  • A quasi-Poisson regression model was used to analyze trends in inpatient and outpatient healthcare utilization in Japan, revealing that inpatient volumes remained consistently lower than pre-pandemic levels and that psychiatric care saw a decline in occupancy rates.
  • The findings indicate that the pandemic has led to lasting changes in healthcare patterns, with reduced inpatient volumes and prolonged psychiatric hospital stays, highlighting the need for ongoing monitoring of healthcare services.
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  • The study aims to compare factors influencing knowledge and attitudes about sodium (Na) intake across seven countries to understand their effects and relationships.
  • Using data from a cross-sectional study with over 7,000 participants, researchers found a strong link between knowledge about Na intake and positive attitudes, especially in the UK, France, and the USA.
  • The findings suggest that public health interventions should be culturally and socially tailored, as socioeconomic conditions also play a role in shaping knowledge and attitudes towards Na intake.
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  • The paper investigates public attitudes toward salt reduction in seven countries, revealing how cultural differences influence these perceptions.
  • Data from 7090 participants were analyzed using a cross-sectional regression analysis, highlighting significant factors such as gender, age, occupation, and government interventions affecting attitudes towards sodium reduction.
  • The study concludes that attitudes towards sodium reduction are influenced by various factors, indicating a necessity for tailored, country-specific strategies to effectively address sodium intake.
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  • Approximately half of Japanese men aged 20-49 have engaged with commercial sex work (CSW), but detailed data on this behavior is limited.
  • An online survey involving 4,000 men revealed that the median number of paid sexual partners over a lifetime was six, with significant links to factors like age, marital status, income, education, and self-rated attractiveness.
  • The high prevalence of CSW use is attributed to its accessibility and low stigma, highlighting the need for public health initiatives focused on promoting safe practices and STI screening for CSW users.
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Background: Globally, women experience healthcare inequalities, which may contribute to excessive mortality rates at various stages of their lives. Though Bangladesh has achieved excellent progress in providing healthcare, the country still has some critical challenges that need immediate attention. The objective of this study is to examine the association between social determinants and barriers to accessing healthcare among ever-married women aged 15-49 in Bangladesh.

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  • The study investigated the impact of a health and fitness self-tracking app on weight loss among gym members in Japan from 2014 to 2019, focusing on data collected after the app's introduction in 2018.
  • Linear regression analysis revealed a significant correlation between app usage and weight loss, showing that increased frequency and duration of app use were linked to measurable weight reductions.
  • Results indicated that each weekly input in the app was associated with an average weight loss of about 62.1 grams, while using the app for a week resulted in an average loss of 21.7 grams, demonstrating the app’s potential efficacy in promoting healthier behaviors.
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This study explored the factors associated with healthcare avoidance behavior for menstrual disorders and menopausal symptoms among women in Japan. Using data from a nationally representative cross-sectional online survey conducted in September 2022, responses from 4,950 women aged 25-59 were analyzed. This study applied binomial logistic regression models specifically to participants who reported having ever felt the need to seek healthcare assistance due to health issues related to menstruation and menopause.

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Background: Official Development Assistance (ODA) significantly aids sustainable development in low- and middle-income countries (LMICs). However, the COVID-19 pandemic has impacted aid allocation, posing challenges for attaining the Sustainable Development Goals (SDGs).

Objective: This study explores and underscores the profound implications of shifts in ODA allocation by Development Assistance Committee (DAC) member countries, resulting from the COVID-19 pandemic, offering a unique perspective on the evolving landscape of international aid.

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Objectives: The COVID-19 pandemic has disrupted the distribution of routine immunizations globally. Multi-country studies assessing a wide spectrum of vaccines and their coverage rates are needed to determine global performance in achieving vaccination goals.

Methods: Global vaccine coverage data for 16 antigens were obtained from WHO/UNICEF Estimates of National Immunization Coverage.

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Objective: The COVID-19 pandemic placed an enormous strain on healthcare systems and raised concerns for delays in the management of patients with acute cerebrovascular events. In this study, we investigated cerebrovascular excess deaths in Japan.

Study Design: Vital mortality statistics from January 2012 to May 2022 were obtained from the Japanese Ministry of Health, Labour and Welfare.

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Nationally representative data on sexual health and behaviors in Japan are scarce. We conducted an online survey, including questions about a range of topics related to sexual behaviors and outcomes. The sample, including 8000 men and women aged 20-49 years in Japan, was stratified by sex and weighted with respect to age, marital status, and region of residence to reflect the population of Japan.

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Reducing sodium content in foods is an important public health measure to reduce salt intake and decrease the incidence of noncommunicable diseases, such as cardiovascular disease and chronic kidney disease. This study quantified the amount of salt intake that could potentially be reduced by using umami substances, including glutamate, inosinate, and guanylate, without compromising taste, for adults in the United Kingdom (UK). We used data comprised of 1834 adults aged 20 years and over from the National Diet and Nutrition Survey (NDNS RP) 2016/2017-2018/2019.

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We aimed to estimate the impact of social isolation on cognitive function and mental health among older adults during the two-year-and-a-half COVID-19 period. Pubmed Central, Medline, CINAHL Plus and PsychINFO were searched between March 1, 2020, and September 30, 2022. We included all studies that assessed proportions of older adults with the mean or the median with a minimum age above 60 reporting worsening cognitive function and mental health.

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Background: individual preventive behaviors are one of the key measures needed to prevent the spread of COVID-19. This study sought to identify the factors associated with the adoption of COVID-19 preventive measures, focusing specifically on information sources.

Methods: we conducted a nationally representative cross-sectional survey of 30,053 Japanese adults in February 2021.

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Background: The Tokyo 2020 Summer Olympic Games (23 July-8 August 2021) were held in the middle of Japan's fifth wave of COVID-19, when the number of cases was on the rise, and coincided with the fourth state of emergency implemented by the host city, Tokyo.

Aim: This study aimed to assess whether the hosting of the Games was associated with a change in the number of COVID-19 cases in Japan using a synthetic control method.

Methods: A weighted average of control countries with a variety of predictors was used to estimate the counterfactual trajectory of daily COVID-19 cases per 1 000 000 population in the absence of the Games in Japan.

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Introduction: During the COVID-19 pandemic, the incidence of many droplet-transmitted infections decreased due to increased mask-wearing and social distancing. Contrastingly, there has been concern that COVID-19 countermeasures, such as lockdowns, may increase legionellosis incidence via water stagnation. During the pandemic in Japan, four state of emergency declarations were imposed between 2020 and 2021, which makes it particularly suitable to test this hypothesis.

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Excess deaths, including all-causes mortality, were confirmed for the first time in Japan in April 2021. However, little is known about the indirect effects of COVID-19 on the number of non-COVID-19-related deaths. We then estimated the excess deaths from non-COVID-19-related causes in Japan and its 47 prefectures from January 2020 through May 2021 by place of death.

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Background: Vaccine hesitancy is a global public health threat. We present unique data that characterises those who experienced reversals of COVID-19 vaccination hesitancy in Japan.

Methods: We administered a questionnaire on vaccination intention among 30053 Japanese adults aged 20 years or older before the COVID-19 vaccination was available to the general population (first survey) and conducted a follow-up survey on vaccination status one year later in February 2022 (second survey).

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Background: Research characterizing changes of heart with respect to vaccine intention is scarce, and very little research considers those who were initially vaccine willing but became hesitant. Here, we sought to assess the factors related to reversals of vaccine willingness.

Methods: We conducted a longitudinal, national survey on vaccination intention among Japanese adults aged 20 years or older, with the first questionnaire performed in February-March 2021 ( = 30,053) and the follow-up in February 2022 ( = 19,195, response rate 63.

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The COVID-19 pandemic has disrupted health care access around the world, both for inpatients and outpatients. We applied a quasi-Poisson regression to national, monthly data on the number of outpatients, number of inpatients, length of average hospital stay, and the number of new hospitalizations from March 2015 to October 2021 to assess how these outcomes changed between June 2020 to October 2021. The number of outpatient visits were lower-than-predicted during the early phases of the pandemic but normalized by the fall of 2021.

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Background: Increases in human mobility have been linked to rises in novel coronavirus disease 2019 (COVID-19) transmission. The pandemic era in Japan has been characterized by changes in inter-prefectural mobility across state of emergency (SOE) declarations and travel campaigns, but they have yet to be characterized.

Methods: Using Yahoo Japan mobility data extracted from the smartphones of more than 10 million Japanese residents, we calculated the monthly number of inter-prefectural travel instances, stratified by residential prefecture and destination prefecture.

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Beginning in April 2020, social distancing measures were implemented to mitigate the COVID-19 pandemic in Japan. We assessed whether traffic accident rates had decreased from April 2020 to December 2021 as compared with previous years. The analysis included 2,934,477 traffic accidents, and the trend of decreasing rates of traffic accidents in recent years and seasonal fluctuations in traffic accidents were considered.

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