Yingnan Jia

ORCID: 0000-0001-9211-4061
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Research Areas
  • COVID-19 and Mental Health
  • Obesity, Physical Activity, Diet
  • Urban Transport and Accessibility
  • Health disparities and outcomes
  • Physical Activity and Health
  • Mobile Health and mHealth Applications
  • Urban Green Space and Health
  • Child Development and Digital Technology
  • Workplace Health and Well-being
  • Employment and Welfare Studies
  • Impact of Technology on Adolescents
  • Misinformation and Its Impacts
  • Nutritional Studies and Diet
  • Ophthalmology and Visual Impairment Studies
  • Frailty in Older Adults
  • Vaccine Coverage and Hesitancy
  • Behavioral Health and Interventions
  • Injury Epidemiology and Prevention
  • Psychology of Moral and Emotional Judgment
  • Corneal surgery and disorders
  • Psychological Well-being and Life Satisfaction
  • Eating Disorders and Behaviors
  • Nutrition, Health and Food Behavior
  • Health and Wellbeing Research
  • Nutrition and Health in Aging

Fudan University
2014-2025

University of Manchester
2020

Huge citizens expose to social media during a novel coronavirus disease (COVID-19) outbroke in Wuhan, China. We assess the prevalence of mental health problems and examine their association with exposure. A cross-sectional study among Chinese aged≥18 years old was conducted Jan 31 Feb 2, 2020. Online survey used do rapid assessment. Total 4872 participants from provinces autonomous regions were involved current study. Besides demographics exposure (SME), depression assessed by The version...

10.1371/journal.pone.0231924 article EN cc-by PLoS ONE 2020-04-16

Background: Huge citizens expos social media during a novel coronavirus disease (COVID-19) outbroke in Wuhan, China. We assess the prevalence of mental health problems and examine their association with exposure. Methods: conducted cross-sectional study among Chinese aged ≥18 years old Jan 31 to Feb 2, 2019. Online survey was used do rapid assessment. Total 4872 participants from provinces autonomous regions were involved current study. Besides demographics exposure (SME), depression...

10.2139/ssrn.3541120 article EN SSRN Electronic Journal 2020-01-01

Background The control of vaccine hesitancy and the promotion vaccination are key protective measures against COVID-19. Objective This study assesses prevalence rate examines association between factors health belief model (HBM) vaccination. Methods A convenience sample 2531 valid participants from 31 provinces autonomous regions mainland China were enrolled in this online survey January 1 to 24, 2021. Multivariable logistic regression was used identify associations HBM with after other...

10.2196/29329 article EN cc-by Journal of Medical Internet Research 2021-07-19

Abstract Background COVID-19 lockdowns may lead to physical inactivity, a major risk factor for non-communicable diseases. This study aims determine: 1) the trajectory in daily step counts before, during and after lockdown China, 2) characteristics associated with trajectories. Methods From December 2019 July 2020, smartphone-based were continuously collected 815 Chinese adults residing Shanghai over 202 days across three phases: during, lockdown. Participant reported, height, weight body...

10.1186/s12966-021-01106-x article EN cc-by International Journal of Behavioral Nutrition and Physical Activity 2021-03-17

Social and physical environments are not only hypothesized to influence activity (PA), they also interrelated each other. However, few studies have examined the relationships of PA with social simultaneously. Accordingly, current study aims examine association between attributes neighborhood leisure-time (LTPA) among Chinese elders.By employing a two-stage stratified random sampling procedure, 2783 elders were identified from 47 neighborhoods in Shanghai during July September 2014. assessed...

10.1186/s12889-015-2684-3 article EN cc-by BMC Public Health 2015-12-01

Background To examine the associations between demographic characteristics, health behaviors, workplace culture, and health-related outcomes in Chinese workplaces. Methods A total of 1508 employees from 10 administrative offices 6 enterprises were recruited for a cross-sectional survey. Self-administered questionnaires mainly addressed including self-rated health, mental happiness. Results The proportion participants who reported good was significantly higher those working than enterprises....

10.1371/journal.pone.0178644 article EN cc-by PLoS ONE 2017-07-26

As a city-level intervention for travel mode, dockless bicycle-sharing programs provide great opportunities to promote bicycle in both commuting and non-commuting trips. Our study is the first quantitatively examine whether changes mode trips, association between change potential correlates. In May 2017, cross-sectional with retrospective assessment was conducted investigate modes before after launch of sharing. A total 1180 respondents provided complete self-administered questionnaires....

10.1016/j.tra.2018.12.025 article EN cc-by-nc-nd Transportation Research Part A Policy and Practice 2019-01-09

Background Whereas the majority of previous research on social capital and health has been residential neighborhoods communities, evidence remains sparse workplace capital. To address this gap in literature, we examined association between status among Chinese employees a large, multi-level, cross-sectional study. Methods By employing two-stage stratified random sampling procedure, 2,796 were identified from 35 workplaces Shanghai during March to November 2012. Workplace was assessed using...

10.1371/journal.pone.0085005 article EN cc-by PLoS ONE 2014-01-03

Our aim is to examine the associations between long working hours and depression mental well-being among population in Shanghai, as well identify impact of having hobbies on these relationships. A cross-sectional study was conducted with assessed by Patient Health Questionnaire-9 (PHQ-9) scale World Organization five-item Well-Being Index (WHO-5) scale. The phenomenon (69.3%) quite common employees rate over 60 h 19.3%. Those who worked had highest prevalence poorer health compared...

10.3390/ijerph16244980 article EN International Journal of Environmental Research and Public Health 2019-12-07

To identify factors contributing to rapid axial length (AL) growth in children aged 3-9 years. Four thousand four hundred thirty-five were followed from 2019 2022. AL and corneal curvature measured using an IOLMaster 500, while refractometry visual acuity also assessed. Baseline data included demographics parental myopia status, with annual updates on height, weight behavioural factors. Latent class model was used discover trajectories, whereas multiple logistic regression determinants of...

10.1136/bjo-2024-326261 article EN cc-by-nc British Journal of Ophthalmology 2025-01-31

It is unclear how exposure to different types of screen content associated with early development among preschool children. This study aims precisely evaluate the time across and explore associations Ages Stages Questionnaire, Third Edition (ASQ-3) score 5 capacity domains in children aged 34.5-66 months. monitoring used intelligent technology collect data on 7-day spent viewing each type. The participants were 2 groups Shanghai kindergarten kids. collected between March 2023 July 2023....

10.2196/65343 article EN PubMed 2025-03-05

The study aimed to investigate the association between content-based problematic smartphone use and obesity in school-age children adolescents, including variations by educational stage sex.Two-stage non-probability sampling was used recruit 8419 participants from nineteen primary schools, five middle thirteen high schools Shanghai December 2017. Obesity identified body mass index (BMI), which obtained school physical examination record, while measured Revised Problematic Smartphone Use...

10.1186/s12889-021-12124-6 article EN cc-by BMC Public Health 2021-11-11

The neighborhood environment, as a determinant of walking, has been assessed in several developed countries. However, few studies have investigated these associations Chinese populations.To examine the association between perceived environment and walking for recreation or transportation purposes among community residents.We used multi-stage stratified random sampling design to conduct cross-sectional study 1528 adults Shanghai. Environmental variables were using revised Abbreviated...

10.1371/journal.pone.0090078 article EN cc-by PLoS ONE 2014-02-27

Objective This study aimed to assess smartphone use time and total screen among students aged 10–19 in Shanghai, China, examine their effects on academic stress. Methods Baseline follow-up surveys were conducted December 2017 2018, respectively, using a cohort design with 1,771 participants. Questionnaire physical examinations of participants by trained investigators professional school physicians, respectively. The self-administered questionnaire mainly covered demographic information,...

10.3389/fpubh.2022.869218 article EN cc-by Frontiers in Public Health 2022-05-17

To understand the potential influencing factors on effectiveness of workplace health promotion interventions and examine whether culture physical environment can mediate relationship between intervention effectiveness. A total 719 participants from 10 Chinese government agencies were recruited for a prospective self-controlled trial. Questionnaires, qualitative interviews, direct observation used baseline evaluation, process evaluation. Based results need assessment risk at each workplace,...

10.1186/s12889-018-5361-5 article EN cc-by BMC Public Health 2018-04-05

It has been hypothesized that subjective well-being (SWB) is determined by a combination of individual characteristics, social environment, and physical environment. However, few studies have simultaneously examined the relationships attributes neighborhood with SWB. Accordingly, present study aimed to examine these among Chinese elders. A total 2,719 elders aged 60 years or older were recruited from 47 neighborhoods in Xinhua subdistrict Shanghai two-stage stratified random sampling...

10.5582/bst.2017.01170 article EN BioScience Trends 2017-01-01

Objectives The aims of this study were to assess the uptake preventive behaviour during COVID-19 outbreak and investigate factors influencing based on theory planned (TPB). Design, setting participants A cross-sectional online survey was conducted among Chinese residents aged ≥18 years 4827 from 31 provinces autonomous regions included in current study. Uptake behaviour, attitude towards spread subjective norms, perceived behavioural control, demographic characteristics information attention...

10.1136/bmjopen-2020-042954 article EN cc-by-nc-nd BMJ Open 2021-02-01

Abstract Background Generalized Anxiety Disorder (GAD) is a common but urgent mental health problem during disease outbreaks. Resilience buffers against the negative impacts of life stressors on internalizing psychopathology such as GAD. This study assesses prevalence GAD and examines protective or compensatory effect resilience worry factors COVID-19 outbreak. Methods A cross-sectional online survey was conducted among Chinese citizens aged ≥18 years from January 31 to February 2, 2020....

10.1186/s12889-021-11877-4 article EN cc-by BMC Public Health 2021-10-09

Although studies of self-rated health (SRH) are conducted widely in developed countries, comprehensive assessments the determinants SRH Chinese scarce, particularly for working individuals. Determinants might differ among worksites based on differences nature and stress associated with different jobs, work intensity, lifestyles employees.Two thousand forty questionnaires that addressed SRH, demographic characteristics, lifestyle, psychosocial environment were administered to employees at two...

10.1186/1471-2458-14-851 article EN cc-by BMC Public Health 2014-08-15

This study’s objective was to depict sugar-sweetened food (SSF) consumption in medical college students stratified by sex from Shanghai, China, and explore the association between Mobile Phone Addiction Index (MPAI) SSF intake. The data were obtained 1121 Fudan University, who took an online questionnaire investigation December 2020. Data included demographics, MPAI, Nutrition Literacy Assessment Questionnaire (NLAQ), total expenditure per month, International Physical Activity (IPAQ), a...

10.3390/nu13072256 article EN Nutrients 2021-06-30

We intended to precisely evaluate the dietary quality of male and female medical college students using canteen data from "Intelligent Ordering System" (IOS), combined with supplemental food frequency questionnaire (SFFQ) Chinese Healthy Eating Index (CHEI) in Shanghai, China, explore potential factors influencing quality. A total 283 average age 24.67 ± 3.21 years Body Mass 21.46 3.49 kg/m2 school were enrolled this study, an online investigation was conducted collect general information,...

10.3390/nu14051012 article EN Nutrients 2022-02-27
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