5 research outputs found
Motivation drivers of millenniums for engaging in crowdsourcing ventures
Double DegreeCrowdsourcing, as the name implies, runs and succeeds on the crowd â the individuals who voluntarily dedicate their time towards this problem solving approach. Therefore, understanding the participationâs underlined motivations is a crucial requirement towards an effective crowdsourcing venture.
Current research struggles with assessing these motivations while taking into consideration the variety of crowdsourcing scenarios. Simultaneously, there is a lack of a common motivational variable framework, on which literature can develop upon.
To contribute towards these gaps, this research deploys a factorial survey to 174 respondents of the Millennium generation, through which it assesses this particular crowdâs perception of four commonly analyzed motivational dimensions in current crowdsourcing motivation literature: Sense of Cooperation & Community; Monetary Compensation; Sense of Efficacy; and Signaling & Human Capital Advancement.
Results found Monetary Compensation and Sense of Efficacy to be motivations supporting the millennial generation participation in crowdsourcing ventures.
Research and managerial contributions are discussed, as well the limitations of this study
Comparative complete scheme and booster effectiveness of COVIDâ19 vaccines in preventing SARSâCoVâ2 infections with SARSâCoVâ2 Omicron (BA.1) and Delta (B.1.617.2) variants: A caseâcase study based on electronic health records
Background: Information on vaccine effectiveness in a context of novel variants of
concern (VOC) emergence is of key importance to inform public health policies. This
study aimed to estimate a measure of comparative vaccine effectiveness between
Omicron (BA.1) and Delta (B.1.617.2 and sub-lineages) VOC according to vaccination
exposure (primary or booster).
Methods: We developed a caseâcase study using data on RT-PCR SARS-CoV2-positive cases notified in Portugal during Weeks 49â51, 2021. To obtain measure
of comparative vaccine effectiveness, we compared the odds of vaccination in Omicron cases versus Delta using logistic regression adjusted for age group, sex, region,
week of diagnosis, and laboratory of origin.
Results: Higher odds of vaccination were observed in cases infected by Omicron
VOC compared with Delta VOC cases for both complete primary vaccination (odds
ratio [OR] = 2.1; 95% confidence interval [CI]: 1.8 to 2.4) and booster dose
(OR = 5.2; 95% CI: 3.1 to 8.8), equivalent to reduction of vaccine effectiveness from 44.7% and 92.8%, observed against infection with Delta, to 6.0% (95% CI: 29.2%
to 12.7%) and 62.7% (95% CI: 35.7% to 77.9%), observed against infection with
Omicron, for complete primary vaccination and booster dose, respectively.
Conclusion: Consistent reduction in vaccine-induced protection against infection
with Omicron was observed. Complete primary vaccination may not be protective
against SARS-CoV-2 infection in regions where Omicron variant is dominant.Grant no. 2021/PHF/23776; POCI-01-0145-FEDER-022184; Project ALG-D2-2021-06info:eu-repo/semantics/publishedVersio
Thrombus aspiration in patients with ST-elevation myocardial infarction: results of a national registry of interventional cardiology
BACKGROUND:
We aimed to evaluate the impact of thrombus aspiration (TA) during primary percutaneous coronary intervention (P-PCI) in 'real-world' settings.
METHODS:
We performed a retrospective study, using data from the National Registry of Interventional Cardiology (RNCI 2006-2012, Portugal) with ST-elevation myocardial infarction (STEMI) patients treated with P-PCI. The primary outcome, in-hospital mortality, was analysed through adjusted odds ratio (aOR) and 95% confidence intervals (95%CI).
RESULTS:
We assessed data for 9458 STEMI patients that undergone P-PCI (35% treated with TA). The risk of in-hospital mortality with TA (aOR 0.93, 95%CI:0.54-1.60) was not significantly decreased. After matching patients through the propensity score, TA reduced significantly the risk of in-hospital mortality (OR 0.58, 95%CI:0.35-0.98; 3500 patients).
CONCLUSIONS:
The whole cohort data does not support the routine use of TA in P-PCI, but the results of the propensity-score matched cohort suggests that the use of selective TA may improve the short-term risks of STEMI..info:eu-repo/semantics/publishedVersio
Evaluation of a quality improvement intervention to reduce anastomotic leak following right colectomy (EAGLE): pragmatic, batched stepped-wedge, cluster-randomized trial in 64 countries
Background
Anastomotic leak affects 8 per cent of patients after right colectomy with a 10-fold increased risk of postoperative death. The EAGLE study aimed to develop and test whether an international, standardized quality improvement intervention could reduce anastomotic leaks.
Methods
The internationally intended protocol, iteratively co-developed by a multistage Delphi process, comprised an online educational module introducing risk stratification, an intraoperative checklist, and harmonized surgical techniques. Clusters (hospital teams) were randomized to one of three arms with varied sequences of intervention/data collection by a derived stepped-wedge batch design (at least 18 hospital teams per batch). Patients were blinded to the study allocation. Low- and middle-income country enrolment was encouraged. The primary outcome (assessed by intention to treat) was anastomotic leak rate, and subgroup analyses by module completion (at least 80 per cent of surgeons, high engagement; less than 50 per cent, low engagement) were preplanned.
Results
A total 355 hospital teams registered, with 332 from 64 countries (39.2 per cent low and middle income) included in the final analysis. The online modules were completed by half of the surgeons (2143 of 4411). The primary analysis included 3039 of the 3268 patients recruited (206 patients had no anastomosis and 23 were lost to follow-up), with anastomotic leaks arising before and after the intervention in 10.1 and 9.6 per cent respectively (adjusted OR 0.87, 95 per cent c.i. 0.59 to 1.30; P = 0.498). The proportion of surgeons completing the educational modules was an influence: the leak rate decreased from 12.2 per cent (61 of 500) before intervention to 5.1 per cent (24 of 473) after intervention in high-engagement centres (adjusted OR 0.36, 0.20 to 0.64; P < 0.001), but this was not observed in low-engagement hospitals (8.3 per cent (59 of 714) and 13.8 per cent (61 of 443) respectively; adjusted OR 2.09, 1.31 to 3.31).
Conclusion
Completion of globally available digital training by engaged teams can alter anastomotic leak rates. Registration number: NCT04270721 (http://www.clinicaltrials.gov)