Table 5. EFA of barriers to adopting...

Table 5.

EFA of barriers to adopting hidden emergency exits

Barriers	Component							Extraction
Barriers	1	2	3	4	5	6	7	Extraction
Lack of evidence on reliability and performance						0.580		0.677
Technical skills for constructing the exits						0.737		0.723
Fewer HEE adoptions due to a limited number of design types						0.560		0.665
Lack of knowledge on HEEs					0.599			0.624
Risk of using HEEs					0.693			0.630
Limited understanding of the product quality					0.761			0.723
Higher production cost		0.659						0.624
Uncertainties of the market		0.759						0.669
Lack of financial resources		0.692						0.651
Lack of government policy		0.742						0.676
Lack of government agencies’ support and enforcement							0.779	0.768
Amendment of the national building codes							0.811	0.768
Age of the occupants	0.745							0.621
Education level	0.705							0.700
Living condition	0.674							0.653
Gender of the occupants	0.672							0.635
Race/ethnicity of the occupants	0.633							0.612
Types of buildings				0.620				0.563
Location of exit doors				0.743				0.811
Evacuation procedures in a facility				0.759				0.795
Lack of technology research			0.628					0.610
Lack of investment in technology			0.614					0.641
Complexity of the technology			0.779					0.713
Knowledge of technology			0.553					0.615
Credibility of the technology			0.759					0.670
Total variance explained
Eigenvalue	8.846	1.879	1.615	1.249	1.133	1.100	1.016
Eigenvalue AR	3.228	2.931	2.635	2.450	2.148	1.976	1.470
% of variance	12.913	11.723	10.540	9.801	8.593	7.903	5.880
Cumulative %	12.913	24.636	35.176	44.977	53.570	61.472	67.352
KMO	0.878
Bartlett’s test of sphericity
Approx. Chi-square	3,032.843
df	300
p-value	0.000

Barriers	Component							Extraction
Barriers	1	2	3	4	5	6	7	Extraction
Lack of evidence on reliability and performance						0.580		0.677
Technical skills for constructing the exits						0.737		0.723
Fewer HEE adoptions due to a limited number of design types						0.560		0.665
Lack of knowledge on HEEs					0.599			0.624
Risk of using HEEs					0.693			0.630
Limited understanding of the product quality					0.761			0.723
Higher production cost		0.659						0.624
Uncertainties of the market		0.759						0.669
Lack of financial resources		0.692						0.651
Lack of government policy		0.742						0.676
Lack of government agencies’ support and enforcement							0.779	0.768
Amendment of the national building codes							0.811	0.768
Age of the occupants	0.745							0.621
Education level	0.705							0.700
Living condition	0.674							0.653
Gender of the occupants	0.672							0.635
Race/ethnicity of the occupants	0.633							0.612
Types of buildings				0.620				0.563
Location of exit doors				0.743				0.811
Evacuation procedures in a facility				0.759				0.795
Lack of technology research			0.628					0.610
Lack of investment in technology			0.614					0.641
Complexity of the technology			0.779					0.713
Knowledge of technology			0.553					0.615
Credibility of the technology			0.759					0.670
Total variance explained
Eigenvalue	8.846	1.879	1.615	1.249	1.133	1.100	1.016
Eigenvalue AR	3.228	2.931	2.635	2.450	2.148	1.976	1.470
% of variance	12.913	11.723	10.540	9.801	8.593	7.903	5.880
Cumulative %	12.913	24.636	35.176	44.977	53.570	61.472	67.352
KMO	0.878
Bartlett’s test of sphericity
Approx. Chi-square	3,032.843
df	300
p-value	0.000

Note(s): KMO = Kaiser–Meyer–Olkin; extraction method = principal component analysis; rotation method = varimax with kaiser normalisation; a. rotation converged in seven iterations; AR = after rotation

Source(s): Fieldwork, 2024

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