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Table 1 Descriptive statistics of study variables

From: A PTSD symptoms trajectory mediates between exposure levels and emotional support in police responders to 9/11: a growth curve analysis

Variable

Mean

SD

alpha

Items

Range

n

Exposure

1.63

1.62

.78

5

0–5

2,197

Social Support

3.06

1.01

.89

3

0–4

2,184

PCL at Wave 1

25.23

9.39

.92

17

17–85

2,204

PCL at Wave 2

29.47

12.71

.94

17

17–85

2,204

PCL at Wave 3

28.69

12.72

.95

17

17–85

2,204

  1. Note. PCL PTSD checklist of stress symptoms [20]
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BMC Psychiatry

ISSN: 1471-244X

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