Table 1.

Number of participants, gender distribution, and mean age for the four different training groups.

Training group	Number of participants at the beginning	Number of participants at the end	Gender (m/f)	Mean age in years (SD)	Age span in years
Physical exercise	19	12	5/7	83.2/5.4	72–93
Cognitive	14	12	5/7	74.6/5.5	67–82
DKV-Karate	14	12	4/8	73.6/3.9	69–81
Control	13	9	1/8	82.7/6.6	70–89
Sum	60	45	15/30	78.8/7.0	67–93