Table 1: The demographic characteristics of the subjects.

Tai Chi (n = 14)Control group (n = 14)t or P

Mean ± SDMean ± SD

Age (yr) 1.23.23

Number (%)Number (%)

Married
 Yes14 (100)12 (92)1.19.48
 No0 (0)1 (8)
Educational level
 Junior high2 (15)5 (36)4.53.10
 High3 (23)6 (43)
 College8 (62)3 (21)
Employed
 Yes3 (21)1 (7)1.17.60
 No11 (79)13 (93)
Monthly income (in ten thousand Won)
 <1006 (44)7 (50).89.93
 100–1503 (21)4 (29)
 151–2002 (14)1 (7)
 201–2503 (21)2 (14)
Perceived health status
 Healthy4 (29)5 (36).601.00
 Average8 (57)6 (43)
 Bad2 (14)3 (21)
Surgical history for the prostate
 Yes2 (14)1 (7).37.54
 No12 (86)13 (93)
Medication for the prostate
 Yes6 (43)8 (57).57.71
 No8 (57)6 (43)
Exercise
 Yes9 (64)13 (93)3.39.17
 No5 (36)1 (7)

SD: standard deviation.