Table 6. Subgroup analysis of ratings by frontline worker type categorized as patient-care-oriented or community-oriented.

* p-value < 0.05 was considered significant.

PPE: personal protective equipment; 3DP: 3D printed

	Patient facing (n = 39)	Community facing (n = 24)	P-value
Comfort	3.1795	3.75	0.015*
Stability	2.923	3.708	0.0047*
Visibility	2.718	3.625	0.0055*
Durability	3.7179	4.1667	0.0209*
Protectiveness	3.615	4.125	0.0235*
Assembly	4.5128	4.375	0.4355
Portability	4.2308	4.125	0.6216
Compatibility other PPE	4.2895	4.3913	0.5308
Compatibility sterile field	2.806	4.2	<0.0001*
Ability to communicate	3.8718	3.9583	0.6932
Preference (1 = conventional preferred, 3 = equally preferred, 5 = 3DP preferred)	2.949	3.583	0.0249*