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. Author manuscript; available in PMC: 2013 Aug 14.
Published in final edited form as: Am J Geriatr Psychiatry. 2013 Feb 6;21(8):10.1016/j.jagp.2012.11.013. doi: 10.1016/j.jagp.2012.11.013

Table 1.

Sample Characteristics

Mean/N SD/%
Baseline Characteristics
Age (years) 75 6.6
Male 188 38%
Female 309 62%
Education (years) 14.3 2.4
Neuroticism 44.8 10
Extraversion 51.3 10
Openness 49.9 9.8
Agreeableness 54.6 9.6
Conscientiousness 49.5 9.9
No History of Alcohol/Substance Abuse/Dependence
No History of Alcohol/Substance Abuse/Dependence
Never Smoker 294 39%
Current Smoker 65 9%
Former Smoker 390 52%
Normal Tensive History 138 28%
History of Hypertension 359 72%
Time-Varying Characteristics
HDRS Affective Symptoms
Wave 1 (Baseline) 2.8 3.8
Wave 2 (12 Month Follow-up) 2.6 3.3
Wave 3 (24 Month Follow-up) 2.2 2.9
Wave 4 (36 Month Follow-up) 2.4 3.1
Wave 5 (48 Month Follow-up) 2.5 2.8
Fasting Cholesterol
Wave 1 (Baseline) 195.0 36.4
Wave 2 (12 Month Follow-up) 190.3 36.4
Wave 3 (24 Month Follow-up) 186.4 38.9
Wave 4 (36 Month Follow-up) 180.7 39.2
Wave 5 (48 Month Follow-up) 183.7 39.8
Cumulative Illness Rating Scale
Wave 1 (Baseline) 7.4 2.9
Wave 2 (12 Month Follow-up) 8.6 3.1
Wave 3 (24 Month Follow-up) 9.3 3
Wave 4 (36 Month Follow-up) 9.9 3.2
Wave 5 (48 Month Follow-up) 11 2.6

Note: HDRS = Hamilton Depression Rating Scale