Background: This study investigated the association between presenteeism and the perceived availability of social support among hospital doctors in China. Methods: A questionnaire was administered by doctors randomly selected from 13 hospital in Hangzhou China using strati ed sampling. Logit model was used for data analysis. Results: The overall response rate was 88.16%. Among hospital doctors, for each unit increase of the perceived availability of social support, the prevalence of presenteeism was decreased by 8.3% (OR=0.91, P=0.000). In particular, if the doctors perceived availability of appraisal support, belonging support and tangible support as su cient, the act of presenteeism was reduced by 20.2% (OR=0.806, P=0.000) 20.4% (OR=0.803, P=0.000) and 21.0% (OR=0.799, P=0.000) respectively with statistical differences. Conclusion: In China, appraisal support, belonging support and tangible support, compared to other social support, had a stronger negative correlation with presenteeism among hospital doctors. The bene ts of social support in alleviating doctors' presenteeism warrant further investigation.

Objective: Flexible work arrangements such as telework are gaining importance. Although telework is accompanied by advantages for employees such as increased flexibility, current research reveals associations between home-based telework and self-endangering behavior such as sickness presenteeism. As empirical evidence is still scarce, we explore the relationship between home-based telework and sickness presenteeism across Europe. Methods: We perform multilevel analyses including 25,465 individuals who responded to the 6th wave of the European Working Conditions Survey 2015. Results: Home-based telework is positively related to sickness presenteeism. The results are quite robust across different measures of sickness presenteeism and to several sensitivity analyses. Conclusion: Although sickness presenteeism can be functional for specific illnesses, organizations should be aware of possible risks related to home-based telework. They should design telework in a way that it reduces triggers for self-endangering behavior.

Researchers using survey methods can choose among a variety of methods aimed at detecting insufficient effort responding among the participants in their studies. Some of these methods entail modifying the survey questionnaire by adding bogus items, instructed-response items, or instructed manipulation checks. While these methods have been found effective in detecting insufficient effort responding, it remains unclear whether their presence in a questionnaire can affect responses to items of substantive research interest. We conducted an experiment investigating this potential impact in a sample (N 5 1,092) of working adults. Adopting an invariance testing approach, we assessed whether employing bogus items, instructed-response items, or instructed manipulation checks, with or without warning study participants, respectively, would lead to non-invariant estimates of parameters for substantive variables. Results suggest that, while most parameter estimates were invariant to the use of insufficient effort responding detection methods, the reliability of measurements may be adversely impacted, posing a threat to construct validity and statistical conclusion validity. However, reliability might be maintained when participants are warned at the beginning of the questionnaire. Results also suggest that bogus items may have some advantages over other methods in terms of parameter invariance. We discuss the implications of our findings.

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