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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2013 Feb 6;22(1):75–85. doi: 10.1016/j.jagp.2013.01.063

Table 1.

Attrition of suicidal and non-suicidal participants: Comparison of participants with baseline data to participants missing data at Year 2.

Time 1
Baseline
Baseline
MADRS
DF Mean Standard deviation F p-value
Non Attempter have data. N=195 Df=1,212 27.17 7.646 2.398 .069
Attempter have data. N=18 31.61 10.268
Time 2 MADRS
Non-attempter missing data N=30 Df=1,24 25.67 8.691
Attempter missing data N=5 30.00 3.082
Time 1
Baseline
White matter lesions (left)
Non attempter have data N=96 Df=1,106 2.5163 96 2.266 .082
Attempter have data N=11 2.6817 11
Time 2 WML (left)
Non-attempter missing data N=121 Df=1,131 3.9807 121
Attempter missing data N=11 4.1631 11
Time 1 MMSE
Non attempter have data N=215 Df=1,234 27.78 3.044 1.721 .163
Attempter have data N=20 28.65 1.268
Time 2 MMSE
Non-attempter missing data N=10 Df=1,12 26.10 3.573
Attempter missing data N=3 27.00 1.732