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TABLE 2. Mean Scores (Standard Deviation) on Items for Each Survey

% Weighted cases endorsing (confidence interval)
Item
 Year
 Oklahoma City
 Indianapolis
 Rest of nation
Intrusive reexperiencing
    Intrusive thoughts about the incident
        Very often/fairly often since bombing 1995 28.9a (4.2) 11.9 (3.5)
        Very often/fairly often since bombing 1996 22.7a (4.1) 4.5 (3.2)
        Very often/fairly in the past year 1998 17.1a (3.4) 6.4 (3.5)
        Very often/fairly often in past month compared to before September 11b 2002 19.5 (5.2)c 26.1 (3.0)
    Had dreams or nightmares about the incident
        Very often/fairly often since bombing 1995 3.2a (1.6) 0.9 (1.0)
        Very often/fairly often since bombing 1996 1.7 (1.3) 0.3 (1.0)
        Very often/fairly often in past year 1998 1.2 (1.0) 0.9 (1.4)
        very often/fairly often in past month compared to before September 11b 2002 3.6 (2.5) 4.4 (1.4)
Avoidance/numbing
    Avoided situations that reminded you of the incident
        Very often/fairly often since bombing 1995 16.1a (3.4) 5.8 (2.5)
        Very often/fairly often since bombing 1996 6.2 (2.3) 2.8 (2.5)
        Yes 1998 16.3 (3.3)
    Lost interest in things that used to be interesting
        Very often/fairly often since bombing 1995 6.7 (2.3) 5.2 (2.4)
        Very often/fairly often since bombing 1996 7.1a (2.5) 3.1 (2.7)
        Very often/fairly often in past year 1998 7.6 (2.4) 6.2 (3.5)
        Very often/fairly often in past month compared to before September 11b 2002 5.4 (3.0) 6.0 (1.6)
    Felt isolated from other people
        Very often/fairly often since bombing 1996 6.3 (2.4) 1.8 (2.0)
        Very often/fairly often in past year 1998 6.5 (2.2) 4.0 (2.8)
        Very often/fairly often in past month compared to before September 11b 2002 5.0 (2.9) 5.8 (1.6)
    Felt there was no point in thinking about the future
        Very often/fairly often since bombing 1996 4.2 (1.9) 1.8 (2.0)
        Very often/fairly often in past year 1998 3.2 (3.2) 3.9 (2.8)
        Very often/fairly often in past month compared to before September 11b 2002 4.2 (2.6) 4.4 (1.4)
Arousal
    Had sleep disturbance
        Had trouble sleeping very often/fairly often since the bombing 1995 11.0 (2.9) 9.1 (3.1)
        Sleep was restless most of time/often in past week 1996 24.2 (4.1) 17.3 (5.8)
        Very often/fairly often in past month compared to before September 11b 2002 10.6 (4.1) 10.2 (2.1)
    Lost your temper
        Very often/fairly often since bombing 1995 9.5 (2.7) 8.4 (3.0)
        Very often/fairly often since bombing 1996 7.2 (2.5) 4.1 (3.1)
    Had trouble concentrating/keeping your mind on what you were doing
        Very often/fairly often since bombing 1995 8.5 (2.6) 7.6 (2.9)
        Most of the time/often in past week 1996 18.5 (3.8) 12.3 (5.1)
        Very often/fairly often in past month compared to before September 11b 2002 8.3 (3.6) 8.0 (1.9)
    Startled easily
        Very often/fairly often since bombing 1995 12.1a (3.0) 5.4 (2.4)
        Very often/fairly often since bombing 1996 12.1a (3.2) 5.8 (3.6)
        Very often/fairly often in past month compared to before September 11b 2002 9.0 (3.8) 9.6 (2.0)
    General stress
        A lot/moderate amount of stress since the bombing 1995 40.3a (4.6) 30.2 (5.0)
        A lot/moderate amount of stress as a result of the bombing 1996 20.1a (3.9) 10.4 (4.7)
        A lot/moderate amount of stress as a result of the bombing 1998 12.9 (3.0)
        A lot/moderate amount of stress since the September 11 attacksb
 2002
 26.0 (5.8)
36.1 (3.3)

a Oklahoma City score significantly different from Indianapolis score within study year (p < .05).

b Responses reference the September 11 attacks rather than the Oklahoma City bombing.

c Oklahoma City score significantly different from the rest of the nation in 2002 (p < .05).





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