Table 1:
Mean values (and standard deviation) of demographic characteristics, MMSE, and PAQ-50+ scores in the intervention and control group.
Intervention
Control
Statistics
Age (years)
70.25 (±3.77)
72.38 (±4.17)
t
_{(35)}
= −1.61,
Gender (men/women)
8/8
9/12
—
Education (1/2)
8/8
9/12
c
^{2}
_{(1,N = 37)}
= 0.19,
Driving time (hours per month)
10.63 (±7.21)
9.88 (±8.39)
t
_{(35)}
= 0.02,
MMSE (score)
28.63 (±1.09)
28.62 (±1.20)
t
_{(35)}
= 0.28,
PAQ-50+ (MET/week)
Pre
126.37 (±67.60)
125.35 (±66.84)
T:
F
_{(1,35)}
= 2.66,
,
η
^{2}
= 0.071
G
T:
F
_{(1,35)}
= 0.96,
,
η
^{2}
= 0.027
Post
102.50 (±39.06)
119.40 (±65.76)
Statistics included
t
-tests, chi-square test (for education: 1 = A level, 2 = O level), and ANOVA (G = group effects, T = time effects) to analyze group differences.