Observational Study
Copyright ©The Author(s) 2023.
World J Psychiatry. Jul 19, 2023; 13(7): 461-477
Published online Jul 19, 2023. doi: 10.5498/wjp.v13.i7.461
Table 3 Lockdown and survey dates by country
CountryFirst lockdown
Second lockdown
Survey period
Can we capture lockdown effects?
Start
End
Start
End
Round 1
Round 2
BangladeshMarch 26, 2020May 16, 2020April 5, 2021July 14, 2021July 1, 2020-July 25, 2020January 19, 2021-March 18, 2021No
CanadaMarch 18, 2020May 18, 2020November 7, 2020January 8, 2021August 18, 2020-October 2, 2020December 21, 2020-March 30, 2021No
ChinaJanuary 23, 2020April 8, 2020June 24, 2020-August 7, 2020No
IndiaMarch 25, 2020June 7, 2020April 19, 2021May 31, 2021July 1, 2020-September 20, 2020January 22, 2021-April 1, 2021No
PakistanMarch 24, 2020May 9, 2020May 8, 2021May 18, 2021June 10, 2020-September 24, 2020February 2, 2021-March 29, 2021No
Saudi ArabiaMarch 29, 2020June 21, 2020June 3, 2020-October 7, 2020January 16, 2021-April 1, 2021Yes, in round 1
UkraineMarch 17, 2020April 24, 2020June 11, 2020-September 30, 2020January 7, 2021-March 25, 2021No
United KingdomMarch 23, 2020July 4, 2020November 5, 2020December 2, 2020April 28, 2020-August 6, 2020November 12, 2020-February 18, 2021Yes, in both rounds