Journal ArticleDOI
Web-Based Network Sampling: Efficiency and Efficacy of Respondent-Driven Sampling for Online Research
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TLDR
Web-based RDS (WebRDS) is found to be highly efficient and effective and methods for testing the validity of assumptions required by RDS estimation are presented.Abstract:
This study tests the feasibility, effectiveness, and efficiency of respondent-driven sampling (RDS) as a Web-based sampling method. Web-based RDS (WebRDS) is found to be highly efficient and effective. The online nature of WebRDS allows referral chains to progress very quickly, such that studies with large samples can be expected to proceed up to 20 times faster than with traditional sampling methods. Additionally, the unhidden nature of the study population allows comparison of RDS estimators to institutional data. Results indicate that RDS estimates are reasonable but not precise. This is likely due to bias associated with the random recruitment assumption and small sample size of the study. Finally, this article presents methods for testing the validity of assumptions required by RDS estimation.read more
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Journal ArticleDOI
Clinical Presentations, Physician Consultations and Patient Transport Options for Australian Remote and Industrial Paramedics
Tania Johnston,Joseph Acker +1 more
TL;DR: Survey findings indicate that paramedic participants recall encountering a wide range of clinical presentations and managing low acuity illnesses more commonly than traumatic injuries.
Journal ArticleDOI
Prevalence and patterns of premenstrual disorders and possible association with sexual harassment: a cross-sectional study of young Arab women
Yossef Hassan AbdelQadir,Ahmed Assar,Yomna Ali Abdelghafar,Manar Ahmed Kamal,Mohamed Sayed Zaazouee,Sarah M Elsayed,Khaled Mohamed Ragab,Ayman Essa Nabhan,Nahla Gamaleldin,Maria Moris,Batool Al-Masri,Dina M. El-Sherif,Yomna Mohamed Goudy,Asmaa Khaled Alsiouty,M. Mahmoud,Hazem Metwally Faragalla,Ebtehal Ahmed Abdelazim,Nadine Abdel-Hamied Mohamed,S. Elsayed,Hala H Shehata,Sadid A. Hasan,Rana Hanafy Mahmoud,Israa Fathy,Eman Gomaa,Sara Abdallah Ezz,Dana Alqatawneh,Yasmin Salah Hrezat,Kawther Saleem Alhefnawi,Lina Omar Hasan,Hadeel Saleh,Ayah AbdElWaley Abed,Tharwah Mohammad Rashed,N. Ikhlaif,Randa Bashir,S. Alrosan,Merana khalil Ayyoub,Muna Mowafaq Labeeb,Orjuwan Omar AbuShanab,Noor Y. Fraihat,Haya Al Jabban,Amina Ahdab,Homam Alolabi,Sandy Adel Al Khalil,Mohamad Klib,Wisam Azzouz,Inas A. Haza’a Allazkani,Lana Talal Wannes,Maya Abdullah Naem,Nada M. Molham Al Barudi,Shatha Alassi,Joudi Tarabishi,Rami Anadani,Hasan M. Masoum Hamoud +52 more
TL;DR: In this paper , the authors used an Arabic version of the premenstrual symptoms screening tool (PSST) to assess the prevalence of PMS and PMDD in Egypt, Jordan and Syria, its demographic associations and the potential link to sexual harassment (SH).
Journal ArticleDOI
Gynecological Care Among Brazilian Women Who Have Sex with Women: A Respondent-Driven Sampling Study.
TL;DR: In this paper , the gynecological care provided to Brazilian women who have sex with women (WSW) was described by medical professionals, medical students, and LGBTQIA+ community members.
Sexually transmitted infections: unravelling transmission & impact
TL;DR: Among heterosexuals in Amsterdam, partnership factors are more important determinants of unprotected sexual contact than characteristics of the individual, and STI prevalence differences between ethnic populations are not always caused by differences in sexual behaviour.
References
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Journal ArticleDOI
Collective dynamics of small-world networks
TL;DR: Simple models of networks that can be tuned through this middle ground: regular networks ‘rewired’ to introduce increasing amounts of disorder are explored, finding that these systems can be highly clustered, like regular lattices, yet have small characteristic path lengths, like random graphs.
Proceedings ArticleDOI
Random graphs
TL;DR: Some of the major results in random graphs and some of the more challenging open problems are reviewed, including those related to the WWW.
Journal ArticleDOI
Respondent-driven sampling : A new approach to the study of hidden populations
TL;DR: A new variant of chain-referral sampling, respondent-driven sampling, is introduced that employs a dual system of structured incentives to overcome some of the deficiencies of such samples and discusses how respondent- driven sampling can improve both network sampling and ethnographic investigation.
Reference EntryDOI
Snowball Sampling—I
TL;DR: In this paper, the authors present two different approaches to snowball sampling: the first is to ask a person to inform potential subjects about the research project and share the investigator's contact information, and then it is up to the potential subjects to contact the investigator.