scholarly journals Helmet use in equestrian athletes: opportunities for intervention

Concussion ◽  
2020 ◽  
pp. CNC85
Author(s):  
Ansley Grimes Stanfill ◽  
Kayla Wynja ◽  
Xueyuan Cao ◽  
Drew Prescott ◽  
Sarah Shore ◽  
...  
Keyword(s):  
Social Media ◽  
Head Injury ◽  
High Risk ◽  
Storage Conditions ◽  
Further Education ◽  
Chi Square ◽  
Helmet Use ◽  
Significance Level ◽  
High Level

Background: Equestrian athletes (horse riders) are at high risk for head injury, including concussions. Materials & methods: Adults riders were recruited via social media posting to complete a branching survey collecting data on demographics, riding experience, helmet use, injury history and concussion symptom knowledge. Results are reported as frequencies and percentages, with associations tested using chi-square with significance level p < 0.05. Results: Of the 2598 subjects, about 75% reported always wearing a helmet. Of those who did not, the most common reasons were that helmets are unnecessary (57.4%) or do not fit well (48.6%). Many indicated improper storage conditions and/or did not follow manufacturer’s replacement recommendations. Most (75.4%) reported a high level of comfort with recognizing concussion signs, with half experiencing a prior head injury. Conclusion: This information suggests opportunities for intervention to improve helmet use through increased fit, while the responses indicate a need for further education on proper helmet use.

scholarly journals http://conf.rd.asu.lt/index.php/rd/article/view/63/102

2015 ◽  
Author(s):  
Bronislavas KRIKŠČIŪNAS
Keyword(s):  
Labor Market ◽  
Young People ◽  
Disabled Persons ◽  
Further Education ◽  
Learning Motivation ◽  
Chi Square ◽  
Significance Level ◽  
Labor Exchange ◽  
The Disabled ◽  
Definition Of

The aim of this work is to investigate learning motivation peculiarities of rural unemployed people that are unready for labor market. Research object – learning motivation. Research methods: analysis of scientific literature, anonymous questionnaire survey, qualitative and statistic data analysis. Chi square criteria (χ2), significance level p &lt; 0.05 are applied for comparison of results. 76 people unready for labor market in Šakiai region participate in this research: 32 of them are young people under 25 years of age, 18 – returnees from imprisonment, 26 – disabled persons; 36 men and 40 women. Majority of respondents have secondary education, however, only 11.1 % of all returnees from imprisonment are in this group. The researched of all the three groups give preference to the second – modern definition of career. Labor Exchange Office or their own decisions have impact on the respondents mostly. It is worth pointing out that Labor Exchange Office has stronger impact on the disabled (57.7 %) while the youth under 25 tend to decide themselves (53.1 %). Other factors do not have significant influence. The first four learning motives are the most significant to all the three groups of the researched, the least attractive motives are „I am studying for prestige“ and „Random circumstances determined intention to study“. It is unexpected that the motive „I intend to go to further education “is of little importance for the young people. People with disabilities and former prisoners have stronger motivation to learn than unemployed young people under 25 do. Hypothesis is only partly approved – the differences between the groups are not significant and statistically unreliable.

scholarly journals Polish Consumers’ Response to Social Media Eco-Marketing Techniques

2020 ◽  
Vol 12 (21) ◽  
pp. 8925
Author(s):  
Agnieszka Bojanowska ◽  
Monika Kulisz
Keyword(s):  
Social Media ◽  
Survey Methodology ◽  
Participant Observation ◽  
Green Marketing ◽  
Chi Square ◽  
Product Packaging ◽  
Media Campaigns ◽  
Significance Level ◽  
Zero Waste ◽  
Marketing Activities

This study attempts to verify whether green-marketing efforts of companies are recognised by the Polish customer in social media—a vital marketing communication channel. For businesses, this awareness carries important implications for the effectiveness and profitability of the eco-marketing campaigns. This study employed survey methodology, which was coupled with participant observation of online ecology-centred communities. It is shown that the economic aspect of green marketing is valued by customers and they are quite observant with respect to such expressions of eco-marketing as eco-organic product packaging or production in the spirit of zero-waste technology. The results indicate that eco-marketing activities should be predominantly targeted at women because they are more likely to take note of the message. The statistical part of the study utilises the Chi-square (χ2) test (significance level α = 0.05) and the gamma distribution. Eco-marketing activities appear to attract notice in social media, but not yet as much as presumably desired. Gender is shown to correlate with respect to questions regarding the noticeability of zero-waste activities and pro-ecological activities in social media. Women display higher awareness of “zero-waste” and pro-ecological social media campaigns. In the aggregate, those who perceive “zero waste” as a lifestyle include women, who are more observant.

scholarly journals Inmate Partner Violence Through Social Networks

2016 ◽  
Vol 12 (29) ◽  
pp. 95 ◽  
Author(s):  
Patricia Martinez-Lanz ◽  
Paulina Alanis Cazares ◽  
Nathalie Aziz Kuri ◽  
Michelle Duran Huerta ◽  
Ana Leticia Perez Araiza ◽  
...  
Keyword(s):  
Social Media ◽  
Intimate Partner Violence ◽  
Dating Violence ◽  
Partner Violence ◽  
Intimate Partner ◽  
Chi Square ◽  
Response Options ◽  
Strongly Agree ◽  
High Level ◽  
The Relationship

The purpose of this research was to analyze the relationship between dating violence and the social media. A sample of 400 university students from both private and public institutions of Mexico City was selected. From these sample, 46.6% were men and 52.4% women, with an age range of 16-29. Two scales were used to evaluate, the first one corresponds to violence in dating and the second scale to violence in dating through social media. Both instruments are Likert scale with response options ranging from strongly disagree to strongly agree. A pilot test was used to evaluate the usefulness of the instrument and its validness and reliability. Statistical analysis of Chronback alpha and factor analysis of the scales were used. In the reliability analysis appropriate values for both scales were obtained, which means that there was an appropriate relationship between the reagents with the scales proposed in general. To analyze the relationship between intimate partner violence and intimate partner violence on social media crosstabs were performed with analysis chi square, the results showed significant differences between dating violence and intimate partner violence on social media on significance levels. Thus, the relationship between intimate partner violence and intimate partner violence on social media showed that in a low (high) level of violence there is also a low (high) level of violence in social media likewise in a severe level of intimate partner violence the level of violence involving social media is also severe.

scholarly journals THE PREVALENCE OF PSYCHIATRIC MORBIDITY (SEVERE DEPRESSION & ANXIETY) AMONG ADOLESCENT SCHOOL GIRLS KHARTOUM-SUDAN

2020 ◽  
Vol 8 (1) ◽  
pp. 165-175
Author(s):  
Nadia Mahmoud Ali Abuzied ◽  
Kamil M Ali
Keyword(s):  
Secondary School ◽  
Low Income ◽  
Psychiatric Morbidity ◽  
Severe Depression ◽  
Further Education ◽  
Chi Square ◽  
Psychosomatic Disorder ◽  
Level Of Education ◽  
School Girls ◽  
High Level

Background - Psychosomatic health of adolescent girls at crossroads of childhood and mature adulthood, may lead to various health problems in future. To measure the prevalence and identify factors associated with psychiatric morbidity & psychosomatic symptoms among adolescent secondary school girls in Khartoum. Methods - This ‘Study’ was conducted, in three secondary schools of Khartoum North. The Simple Random Sampling Technique was applied to select three schools from the spot map of Khartoum North for this study, and 491 girl students in the adolescent age group were selected from the completed updated list of students from the enrollment registers in these schools. Results - according to the cut-off point (≥ 24 in the G.H.Q -28) findings showed that the prevalence of psychiatric morbidity (severe depression and anxiety) was 60.89% among the adolescent secondary school girls while the psychosomatic disorder was 34.62%. The psychosomatic disorder was found to be significant (P<0.05) with the following three factors: a) late (18-19 yrs.) adolescent age, (61.30%), chi- square= 18.611, df=1, O.R=0.435617 ,CI95%=(0.276629, 0.685981) ; b) physicals abuse (39%) chi- square= 22.34, df =1, O.R=0.281,CI95%=(0.172871, 0.458281) and c) verbal abuse (72%) chi- square= 21.86, df=1, O.R=0.433,CI95%=(0.27331, 0.688). A borderline significant was seen with the family moderate (40%) and low income (40%), chi- square= 5.09, df=2, O.R=(0.839, 0.799),CI95%=((0.508247, 0.503899),( 1.755645 , 1.426668)). However, no significance was there in relation to marital status (married 83.5%), chi- square= 2.324,df=1, O.R=1.06,CI95%=(0.586947,2.197218),mothereducation(elementary61.76%)chisquare=1.692,df=2,O.R=(1,0.951),CI95%=((0.385528,0.554214),(2.674766, 1.626457)) and further education (high level 73 %) chi- square= 3.17, df=2, O.R=(1.282, 1.024),CI95%=((0.354603, 0.55087,)( 4.49567, 1.903074)). Conclusion - Despite the fact that there is no significant (P>0.05) relation between the fathers' level of education and the occurrence of psychosomatic however, the odds ratio of disease is 28% higher among the girls whose fathers were illiterate in comparison to the girls whose fathers were of  high level of education. among adolescent school girls.

scholarly journals The Quality of Life and Contentment with the Realisation of Partial Satisfactions of Students from the Faculty of Physical Education and Sport in Biała Podlaska

2011 ◽  
Vol 18 (3) ◽  
pp. 234-238 ◽  
Author(s):  
Maria Turosz ◽  
Anna Olech
Keyword(s):  
Quality Of Life ◽  
Physical Education ◽  
Satisfaction With Life ◽  
Male Students ◽  
Satisfaction With Life Scale ◽  
Chi Square ◽  
Significance Level ◽  
Low Level ◽  
High Level

The Quality of Life and Contentment with the Realisation of Partial Satisfactions of Students from the Faculty of Physical Education and Sport in Biała PodlaskaIntroduction. The aim of the work was to define the level of contentment with the realisation of partial satisfactions of female and male 1st-year students from the Faculty of Physical Education and Sport in Biala Podlaska, the University of Physical Education in Warsaw (FPES) demonstrating a high or low level of the quality of life. Material and methods. 44 women and 161 men were examined. At the first stage of the research the level of the quality of life was defined with the use of the Satisfaction With Life Scale (SWLS). At the second stage the level of contentment with the realisation of partial satisfactions of people with a high or low level of the quality of life was examined. The level of contentment with partial satisfactions was measured by means of a questionnaire in which partial satisfactions were grouped in 5 categories: social, material, environmental, health and other satisfactions. Statistically significant differences were defined with the use of Pearson's chi-square test (χ2), taking values lower than the significance level p<0.05 as statistically significant. Results. There occur statistically significant differences in the levels of contentment with the realisation of partial satisfactions of female and male students revealing a high or low level of the quality of life. Better material conditions, contentment with the way of spending free time, one's own life achievements and health are conducive to reaching a high level of the quality of life among students. Over 70% of the examined academic youth with a high level of the quality of life perceive their life as great and successful and the conditions in a family as positive. Over 60% of female students and 30% of male students from this group have very strong family bonds. Conclusions. The level of contentment with the realisation of partial satisfactions is connected with the system of values of an individual. Positive and strong family bonds favour a high level of the quality of life. The system of cultural institutions in Biala Podlaska as a university town should be developed more dynamically.

scholarly journals Novel Coronavirus (COVID-19) Knowledge and Perceptions: A Survey of Healthcare Workers

2020 ◽  
Author(s):  
Akshaya Srikanth Bhagavathula ◽  
Wafa Ali Aldhaleei ◽  
Jamal Rahmani ◽  
Mohammadjavad Ashrafi Mahabadi ◽  
Deepak Kumar Bandari
Keyword(s):  
Social Media ◽  
Healthcare Workers ◽  
Significant Proportion ◽  
Educational Interventions ◽  
Chi Square ◽  
Cross Sectional ◽  
Significance Level ◽  
Delayed Treatment ◽  
Control Factors ◽  
Novel Coronavirus

AbstractBackgroundDuring the first week of March, the surge of coronavirus disease 2019 (COVID-19) cases reached over 100 countries with more than 100,000 cases. Healthcare authorities have already initiated awareness and preparedness activities beyond borders. A poor understanding of the disease among healthcare workers (HCWs) may result in delayed treatment and the rapid spread of infection. This study aimed to investigate the knowledge and perceptions of HCWs about COVID-19.MethodsA cross-sectional, web-based study was conducted among HCWs about COVID-19 during the first week of March 2020. A 23-item survey instrument was developed and distributed randomly to HCWs using social media; it required 5 minutes to complete. A chi-square test was used to investigate the level of association among variables at the significance level of p<0.05.ResultsOf 529 participants, a total of 453 HCWs completed the survey (response rate: 85.6%); 51.6% were males, 32.1% were aged 25-34 years, and most were doctors (30.2%) and medical students (29.6%). Regarding COVID-19, most of the participants used social media to obtain information (61%), and a significant proportion of HCWs had poor knowledge of its transmission (61%) and symptom onset (63.6%) and showed positive perceptions of COVID-19 prevention and control. Factors such as age and profession were associated with inadequate knowledge and poor perception of COVID-19.ConclusionAs the global threat of COVID-19 continues to emerge, it is critical to improve the knowledge and perceptions of HCWs. Educational interventions are urgently needed to reach HCWs beyond borders, and further studies are warranted.

scholarly journals MEDIA LITERACY AND SOCIAL MEDIA USAGE ANALYSIS IN COMMUNICATION AND NON-COMMUNICATION STUDENTS OF UNIVERSITY OF AMIKOM YOGYAKARTA

INFORMASI ◽  
2018 ◽  
Vol 48 (2) ◽  
pp. 229-242
Author(s):  
Dendy Suseno Adhiarso ◽  
Mohammad Suyanto
Keyword(s):  
Social Media ◽  
Media Literacy ◽  
Sampling Technique ◽  
Chi Square ◽  
Probability Sampling ◽  
Media Usage ◽  
Usage Patterns ◽  
Convenience Sampling ◽  
Usage Analysis ◽  
High Level

 Media literacy is the ability to understand, analyze, and deconstruct media images. The ability to do it is intended that the public as a media consumer becomes aware of how the media are built and accessed. The aims of this study are (1) to study the level of media literacy and social media usage patterns in communication and non-communication students. (2) to know the correlation between media literacy and social media usage patterns in communication and non-communication students. (3) comparing media literacy and social media usage patterns in communication and non-communication students. The population in this study were students of communication and non-communication at the University of AMIKOM Yogyakarta which amounted to 656. The sample selected in this study 87 respondents who conducted with probability sampling technique with convenience sampling. Data obtained through the survey to respondents by spreading the questionnaire at the early of September 2017. Data processing and analysis is done by descriptive study, crosstab, spearman correlation and chi-square. The result of the research shows that (1) the level of media literacy of both communication and non-communication students is at the intermediate level, while social media usage patterns for communication and non-communication students is at a high level. (2) there is the significant correlation between media literacy and social media usage patterns in communication and non-communication students. (3) there is a difference between media literacy and social media usage patterns in communication and non-communication students.ANALISIS PENGGUNAAN LITERASI MEDIA DAN MEDIA SOSIAL DI MAHASISWA KOMUNIKASI DAN NON-MAHASISWA KOMUNIKASI UNIVERSITAS AMIKOM YOGYAKARTALiterasi media adalah kemampuan untuk memahami, menganalisis, dan mendekonstruksi citra media. Kemampuan untuk melakukannya dimaksudkan agar publik sebagai konsumen media menjadi sadar bagaimana media dibangun dan diakses. Tujuan dari penelitian ini adalah (1) untuk mempelajari tingkat literasi media dan pola penggunaan media sosial pada mahasiswa komunikasi dan non-komunikasi. (2) untuk mengetahui hubungan antara literasi media dan pola penggunaan media sosial pada mahasiswa komunikasi dan non-komunikasi. (3) membandingkan literasi media dan pola penggunaan media sosial pada mahasiswa komunikasi dan non-komunikasi. Populasi dalam penelitian ini adalah mahasiswa komunikasi dan non-komunikasi di Universitas AMIKOM Yogyakarta yang berjumlah 656. Sampel yang dipilih dalam penelitian ini adalah 87 responden yang dilakukan dengan teknik probability sampling dengan convenience sampling. Data diperoleh melalui survei kepada responden dengan menyebarkan kuesioner pada awal September 2017. Pengolahan dan analisis data dilakukan dengan studi deskriptif, crosstab, korelasi spearman dan chi-square. Hasil penelitian menunjukkan bahwa (1) tingkat literasi media mahasiswa komunikasi dan non-komunikasi berada pada tingkat sedang, sedangkan pola penggunaan media sosial untuk mahasiswa komunikasi dan non-komunikasi berada pada tingkat yang tinggi. (2) ada hubungan yang signifikan antara literasi media dan pola penggunaan media sosial pada mahasiswa komunikasi dan non-komunikasi. (3) ada perbedaan antara literasi media dan pola penggunaan media sosial pada mahasiswa komunikasi dan non-komunikasi.

FAKTOR-FAKTOR YANG BERHUBUNGAN DENGAN KEJADIAN PERSALINAN NORMAL DI KLINIK BERSALIN BUDI MULIA MEDIKA PALEMBANG PADA TAHUN 2011

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Nurdjani Nurdjani
Keyword(s):  
High Risk ◽  
Mortality Rate ◽  
Randomized Study ◽  
Infant Mortality Rate ◽  
Chi Square ◽  
Cross Sectional ◽  
Normal Delivery ◽  
Significance Level ◽  
Live Births ◽  
Health Organization

  ABSTRACT   Childbirth is a process in which the baby, placenta and amniotic membranes out of the mother's uterus at full term pregnancy after 37 weeks) without any complications.According to the Word Health Organization (WHO) estimates that more than 585 000 women die annually during pregnancy or childbirth. Indonesia Demographic Health Survey (IDHS) in 2008 states the maternal mortality rate (MMR) at delivery was 228 per 100,000 live births and infant mortality rate (IMR) 34 per 1,000 live births. The purpose of this study are known factors associated with normal delivery at the Budi Mulia Clinic in  Palembang 2011. This study uses analytic survey with cross sectional approach. The population in this study were all mothers in the maternity Maternity Budi Mulia Clinic in Palembang May 2011. Sampling was carried out on non-randomized study with the technique of "Accidental Sampling". Data analysis carried out univariate and bivariate statistics with Chi-Square test with significance level α = 0.05. The results showed there were from 38 respondents (65.7%) of respondents with a normal delivery, good knowledge (88.0%) had less knowledge (30.8%), age at high risk (10.0%) the age of risk (89 , 3%), and parity at high risk (27.3%) were low risk (85.2%). The results of this study showed no significant association between knowledge, maternal age and parity with normal deliveries at the Maternity Budi Mulia Clinic in Palembang  2011. From the results of this study, researchers hope to improve the health care workers and normal delivery care services more often to perform alarm counseling delivery.   ABSTRAK Persalinan adalah proses dimana bayi, plasenta dan selaput ketuban keluar dari uterus ibu pada usia kehamilan cukup bulan setelah 37-42  minggu tanpa disertai adanya penyulit. Menurut Word Health Organization (WHO) memperkirakan lebih dari 585.000 ibu pertahunnya meninggal saat hamil atau bersalin. Hasil Survei Demografi Kesehatan Indonesia (SDKI) tahun 2008 menyebutkan angka kematian ibu (AKI) saat melahirkan adalah 228 per 100.000 kelahiran hidup dan angka kematian bayi (AKB) 34 per 1.000 kelahiran hidup. Tujuan penelitian ini adalah diketahuinya faktor–faktor yang berhubungan dengan persalinan normal di Klinik Bersalin Budi Mulia Medika Palembang Tahun 2011. Penelitian ini menggunakan metode survey analitik dengan pendekatan cross sectional. Populasi pada penelitian ini adalah semua ibu yang bersalin di Klinik Bersalin Budi Mulia Medika Palembang Pada Tahun 2011. Pengambilan sampel pada penelitian dilakukan secara non random dengan teknik “Accidental Sampling”. Analisa data dilakukan secara univariat dan bivariat dengan uji statistik Chi-Square dengan tingkat kemaknaan α = 0,05. Hasil penelitian menunjukkan dari 38 responden terdapat (65,7%) responden dengan persalinan normal, pengetahuan baik (88,0%) yang pengetahuan kurang (30,8%), umur resiko tinggi (10,0%) yang umur resiko (89,3%), dan paritas resiko tinggi (27,3%) yang resiko rendah (85,2%). Hasil penelitian ini menunjukkan ada hubungan yang bermakna antara pengetahuan, umur ibu, dan paritas dengan persalinan normal di Klinik Bersalin Budi Mulia Medika Palembang Tahun 2011. Dari hasil penelitian ini, peneliti berharap petugas pelayanan kesehatan dapat meningkatkan pelayanan asuhan persalinan normal serta lebih sering untuk melaksanakan konseling tanda bahaya persalinan.

PAPARAN PORNOGRAFI MELALUI MEDIA BERPENGARUH TERHADAP PERILAKU SEKSUAL REMAJA PADA 2 SMP DI KOTA AMBON MALUKU

2018 ◽  
pp. 1-18
Author(s):  
Farah Noya ◽  
Yuniasih M. J. Taihuttu ◽  
Wahyu Syafiah
Keyword(s):  
Sexual Behavior ◽  
High Risk ◽  
Health Professional ◽  
Risky Behavior ◽  
Chi Square ◽  
Cross Sectional ◽  
Significance Level ◽  
Active Involvement ◽  
Chi Square Test ◽  
Cross Sectional Design

Introduction: Teens need proper informations concerning sexuality, which is able to guide their perception and behaviour towards sexuality. Inapropriate informations by means of porn exposure though media will lead to hazardous sexual behavior. This study aimed at determining the effect of porn exposure through media on the sexual behavior of teenagers in 2 highschools in Ambon Maluku. Method: This study applied cross sectional design with 755 respondents from 2 highschools in Ambon. The effect of porn exposure on behavior was determined using Chi-square test. This study hipotesized that there was significant effect of porn exposure through media on the teenagers sexual behavior. Result: It was found that 62.6% of the respondents have risky behavior (low and high-risk) and Chi-square test reveals significance level of p<0.001 (OR=1,9; CI95% 1,41-2,61) Conclusion: This study conluded that porn exposure through media have significant effect on the sexual behavior of teenagers of 2 Highschools in Ambon. Teens that were exposed to porn through media are in risk of commit unsafe sexual behavior 1,9 times higer than those who were not. Therefore, active involvement of teacher and advocations from health professional and psychologist are needed to promote safe and responsible teenagers sexual behavior in both highschools.   Keywords: porn exposure, pornography, sexual behavior, teenagers.

scholarly journals Investigating the Knowledge, Attitudes and Behaviours of Parents Regarding Vaccine Rejection

2020 ◽  
Vol 30 (Supplement_5) ◽  
Author(s):  
A Gokce ◽  
E Yigit ◽  
A Gungor ◽  
M Aslan ◽  
A Ozer
Keyword(s):  
Social Media ◽  
Healthcare Services ◽  
World Health ◽  
The Internet ◽  
Healthcare Staff ◽  
Chi Square ◽  
Cross Sectional ◽  
Significance Level ◽  
Source Of Information ◽  
Internet And Social Media

Abstract Background With an escalating prevalence, vaccine rejection is one of the ten threats to global health as identified by the World Health Organization in 2019. Vaccine rejection and hesitancy can be defined as the hesitancy of individuals to get vaccinated against diseases that can be prevented by vaccination. This study aimed to investigate the knowledge, attitudes and behaviours of parents who use primary healthcare services. Methods Conducted between August and September 2019, this study adopted a descriptive cross-sectional design. The sample size of the study was calculated to be 378, considering a 95% confidence interval and 80% power. The survey form, the data collection tool of the study, included questions concerning sociodemographic characteristics of individuals and their knowledge, attitudes and behaviours regarding vaccination. The data were analysed on SPSS 22.0. Chi-square test was used in statistical analyses, and the significance level was set as p &lt; 0.05. Results In the study group, 15.5% of the parents stated that they were hesitant about vaccines in childhood, 81.3% stated that their source of information on vaccines was healthcare staff and 28% stated that it was the internet. The hesitancy level was significantly high among those who believed that vaccines led to autism and infertility and those who did not trust pharmaceutical companies (p &lt; 0.05). The hesitancy level regarding vaccines was significantly lower among those whose source of information was healthcare staff, whereas it was significantly higher among those whose source of information was the internet (p &lt; 0.05). Conclusions Parents' beliefs that vaccines led to autism and infertility increased their hesitancy levels. The inaccurate information on the internet and social media increased their hesitancy levels. Hesitancy levels were lower among the parents who received information from healthcare staff. Key messages Healthcare staff should organise public trainings on vaccines to reduce the hesitancy levels of parents. Anti-vaccination statements on the internet and social media influence individuals’ vaccination behaviours.

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