Table 1. Key information of survey waves.

	Wave 1	Wave 2	Wave 3
Start date	March 13	Mach 27	April 17
End date	March 26	April 16	May 6
Number of questions	33	49	47
Respondents	5,460	969	1,019
Question topic:
Socio-demographic characterization	x	x	x
Symptoms and isolation measures	x	x	x
Concerns with the pandemic	x	x	x
Stockpiling goods	x	x	x
Search for information	x	x	x
Quality and reliability of information		x
Economic impact (current and forecast)		x	x
Capacity and disruption of health services		x	x
Expected compliance and agreement with isolation measures			x

Note: Respondents were given the option not to answer particular questions. The number of respondents does not include participants who answered to any previous waves (as identified through a self-generated code) [42].