Table 1.

Minimum number of questionnaires to be administered, according to sample calculation, to employees in the security, gatekeeping, and cleaning sectors of the Pampulha campus of UFMG, 2021.

Employees on Pampulha campus, UFMG
Position	Campus sample	%	Minimum sample to be applied
Cleaning professionals	231	31.77%	31
Security guards	156	21.46%	21
Gatekeepers	340	46.77%	45
Total	727	100.00%	97