Skip to main content
. 2013 Jun 30;28(6):600–605. doi: 10.1177/1533317513494744

Table 1.

Comparison of the Included and Excluded Samples for Data Analysis.

Variable Included sample (N = 1044) Excluded sample (N = 1199) P value
Memorya score 3.81 3.00 <.05
PAhysical activity (PA)b
Job (low) 5.24 5.16 .571
Home (low) 3.49 3.58 .37
Leisure (low) 3.67 3.68 .988
Job (moderate) 8.08 7.96 .487
Home (moderate) 5.94 6.11 .188
Leisure (moderate) 5.48 5.46 .921
Job (high) 9.26 9.98 .063
Home (high) 7.50 7.40 .428
Leisure (high) 6.70 3.68 .567
Age, Mean in years 51.01 50.58 .197
Male,% 44.00 53.13 <.05
Education 7.70 7.63 .502
Smoker,% 53.47 59.26 .436
Frequent alcohol use,% 3.55 3.60 .372
Financial situationd 6.33 6.48 .078
Heart issues,% 16.35 16.33 .995

a Memory refers to self-report subjective memory complaints compared to 5 years ago.

b PA scale: 2 = highest level (several times a week), 12 = lowest level (never). Under the PA scale, low = light PA that requires little physical effort; moderate = moderate PA that is not physically exhausting; high = vigorous PA that causes heart to beat rapidly.

c Education level range: 1 (no school) to 12 (PhD, MD, or other professional degrees).

d The financial situation ranges from 0 (worst) to 10 (best).