Table 3.

Effect of mask extender on frequency of mask removal

	Pre		Post		% Usage Change	P
	n	%	n	%
Exercise, Walking outside (removal/h)
0-5	38.0	79.2	41.0	85.4	7.9	0.85
6-10	2.0	4.2	5.0	10.4	150.0
10-15	1.0	2.1	1.0	2.1	0.0
15-20	1.0	2.1	1.0	2.1	0.0
>20 or Noncompliant	6.0	12.5	0.0	0.0	−100.0
Grocery Shopping (removal/h)
0-5	47.0	97.9	48.0	100.0	2.1	0.96
6-10	0.0	0.0	0.0	0.0	0.0
10-15	0.0	0.0	0.0	0.0	0.0
15-20	1.0	2.1	0.0	0.0	−100.0
>20 or Noncompliant	0.0	0.0	0.0	0.0	0.0
Visiting Friends (removal/h)
0-5	30.0	62.5	30.0	62.5	0.0	0.98
6-10	9.0	18.8	12.0	25.0	33.3
10-15	0.0	0.0	4.0	8.3	400.0
15-20	1.0	2.1	0.0	0.0	−100.0
>20 or Noncompliant	8.0	16.7	2.0	4.2	−75.0
Workplace (removal/h)
0-5	39.0	81.3	41.0	85.4	5.1	0.89
6-10	6.0	12.5	7.0	14.6	16.7
10-15	2.0	4.2	0.0	0.0	−100.0
15-20	1.0	2.1	0.0	0.0	−100.0
>20 or Noncompliant	0.0	0.0	0.0	0.0	0.0