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. Author manuscript; available in PMC: 2011 Feb 28.
Published in final edited form as: Risk Anal. 2009 Nov;29(11):1549–1565. doi: 10.1111/j.1539-6924.2009.01299.x

Table VI.

Time 1 and Time 2 Mean Severity and Distress and Δ Time t-tests Across Severity Δ Time Subgroups

All Participants Excluding Males with Graded Format (n=227)
Δ Time Time 1 Time 2 T1 T2 t-test
Subgroups
Based on
Severity
Severity Distress Severity Distress Severity Distress
Mean
SD
n
Mean
SD
n
Mean
SD
n
Mean
SD
n
t
p-value
df
t
p-value
df
Stronger 3.11
1.255
47
3.60
1.014
47
4.34
1.185
47
3.68
0.783
47
15.11
< .001
46
0.85
0.400
46
No change 3.92
1.172
98
3.75
1.124
98
3.92
1.172
98
3.71
0.984
98
0 −0.46
0.650
97
Weaker 4.61
1.003
82
3.74
1.087
82
3.30
1.108
82
3.55
0.971
82
−22.00
< .001
81
−2.37
0.020
81
All groups 4.00
1.255
227
3.71
1.086
227
3.78
1.213
227
3.65
0.940
227
−3.07
0.002
226
−1.41
0.159
226