Table 1.

Pre-Specified Fields Coded for Each Manuscript

	Variable and Categories
Survey characteristics	Age focus of primary society: General, Pediatric
	Primary mode: Web, Paper
	Whether survey questions were previously validated
	Whether pre-test of survey questionnaire was performed
	Whether pre-notification of eligible respondents was used
	Whether incentives were used
	Whether reminders for selected respondents were used
	The number of reminders used
	Duration of data collection in months
	Year data collection was completed
	Primary topic: Anesthetic practice, Other clinical practice, Medical education, Population health, Business or professional topic, Other topics
Quality Outcomes	Survey response rate
	Item nonresponse rate for primary outcome
	Fraction of missing information
	Whether missing data were imputed for analysis
Impact Outcomes	Article citations in Clarivate Analytics Web of Science
	Article citations in Google Scholar
	Altmetric score
	Journal Impact Factor
	Any references in official society publication
	Any references in news media
	Any references in textbooks or edited volumes