)    RT-PCR positive n=39 (26%)    RT-PCR negative n=111 (74%)  p-value
N-95 mask with fit check    18 (46.2)  67 (60.4)  0.124
Gown    16 (41.0)  57 (51.4)  0.267
Goggles    8 (20.5)  41 (36.9)  0.060
Face shield