. Author manuscript; available in PMC: 2012 Oct 1.

Published in final edited form as: Am J Geriatr Psychiatry. 2011 Oct;19(10):839–850. doi: 10.1097/JGP.0b013e31820ee9ef

Table 1.

Comparison of the baseline characteristics in the two comparison groups receiving escitalopram and Tai Chi and escitalorpam and Health Education

	esCIT+ TC (N=36) Baseline	esCIT+ HE (N=37) Baseline	t^†(P)
*Demographics*
Women, Number (%)	23 (64%)	22 (60%)	0.15 (0.7)
Age in years, mean (sd)	69.1 (7.0)	72.0 (7.4)	1.72 (0.1)
Age at depression onset in years, mean (sd)	41.4 (24.1)	46.8 (24.1)	0.95 (0.35)
Education in years, mean (sd)	16.1 (2.5)	15.1 (2.5)	1.81 (0.08)
*Clinical variables, Depression*
Duration of depression in months, mean (sd)	35.8 (31.3)	34.9 (36.1)	0.11 (0.92)
Number of episodes, mean (sd)	4.1 (4.4)	3.5 (3.8)	0.65 (0.52)
Hamilton Depression Rating Score (Week 6 randomization point), mean (sd)	8.2 (5.6)	9.8 (5.8)	−.8 (0.4)

^†

Chi-squareanalysis is reported for the gender ratio (df=1) and t-testwas performed for the remaining variables (df=71at baseline and df=67 at follow up)