Table 1.

Assessment of response to 9/11/01 attacks: frequencies of specific thoughts and feelings experienced after the attacks

PRS Item description	%a	PCL Item description	%b
Feeling closer to others	53.7	Hypervigilance	19.3
Pessimism about future well-being	28.4	Psychologic distress	14.2
Loss of faith in government protection	26.3	Distress in recollections	13.7
Pessimism about world peace	22.0	Avoidance of thoughts of event	13.7
Disappointment in actions of others	20.6	Foreshortened future	13.1
Loss of safety	19.7	Sleep difficulties	12.1
Loss of support from someone	19.4	Feelings of recurrence	11.8
Remorse over not providing support	17.1	Detachment	11.6
Liking others less	14.5	Irritability/anger	11.2
Loss of control	13.1	Impaired concentration	9.9
Disappointment in actions of self	11.5	Restricted range of affect	9.6
Loss of confidence in coping abilities	11.1	Diminished interest in activities	9.1
		Inability to recall part of the event	8.6
		Exaggerated startle	8.1
		Avoidance of activities that arouse recollections	7.4
		Physical reactions to reminders	6.8
		Nightmares (dreams of the events)	5.1

^aResponse to “very” or “extremely true.”

^bResponse to “quite a bit” or “extremely.”