Table 4. Subgroup analysis of ratings by frontline workers categorized by the organization type of frontline workers (i.e., healthcare or nonhealthcare).

*p-value < 0.05 was considered significant.

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

	Medical mean (n = 30)	Nonmedical Mean (n = 33)	P-value
Comfort	2.93	3.82	<0.0001*
Stability	2.57	3.82	<0.0001*
Visibility	2.27	3.79	<0.0001*
Durability	3.73	4.03	0.1536
Protectiveness	3.43	4.15	0.0063*
Assembly	4.57	4.36	0.2439
Portability	4.23	4.15	0.668
Compatibility other PPE	4.27	4.39	0.4545
Compatibility sterile field	2.45	4.24	<0.0001*
Ability to communicate	3.73	4.06	0.1318
Preference (1 = conventional preferred, 3 = equally preferred, 5 = 3DP preferred)	2.70	3.64	0.0005*