Psychometric Properties of the Posttraumatic Stress Disorder Checklist among the Lebanese Population Exposed to the Beirut Explosion: A Cross-Sectional Study during the COVID-19 Pandemic

Table 2

Component analysis and eigenvalues for translated PCL-5.

PTSD scale	Factor 1	Factor 2	Factor 3	Factor 4
Item 1		0.66
Item 2		0.55
Item 3		0.83
Item 4		0.80
Item 5		0.81
Item 6		0.73
Item 7		0.90
Item 8				0.84
Item 9			0.89
Item 10			0.77
Item 11			0.55
Item 12			0.60
Item 13			0.72
Item 14	0.78
Item 15	0.86
Item 16	0.92
Item 17	0.85
Item 18	0.83
Item 19	0.81
Item 20				0.66
Initial eigenvalues	9.13	4.63	1.43	1.18
Percentages of variance explained	45.67	23.14	7.15	5.92
Cumulative variance	45.67	68.80	75.95	81.87

Factor 1: intrusive symptoms; factor 2: avoidance of thoughts; factor 3: negative alterations to mood; factor 4: alterations in lifestyle.