|Average exercise group attendances of study participants (N = 494) grouped by baseline variables|
|n||Mean||SD||Median||Interquartile range||P value|
|Grouped by agea||0.673b|
|Below and equal to mean||224||35.38||27.91||34.00||6.00 to 60.00|
|Above mean||263||33.89||28.24||31.00||6.00 to 59.00|
|Grouped by MMSEc||0.009b|
|Below and equal to median||208||38.41||26.86||35.50||13.00 to 62.00|
|Above median||228||33.31||28.51)||29.50||2.25 to 59.00|
|Grouped by SPPBd||0.160e|
|Score of 0||160||32.11||27.55||28.00||6.00 to 57.75|
|Score between 1 to 2||136||37.56||27.92||37.50||10.00 to 62.00|
|Score between 3 to 4||77||39.78||29.34||48.00||9.00 to 67.50|
|Score 5+||57||35.54||25.99)||42.00||6.50 to 56.50|
|Grouped by depressionf||<0.001b|
|Not depressed||228||40.30||28.33||43.00||12.25 to 66.00|
|Depressed||193||29.88||26.26||21.00||3.50 to 54.00|
aSplit into two age groups based on mean (86.94 years).
bIndependent samples Mann–Whitney U test.
cMini Mental State Examination (MMSE). Split into two groups based on median (19).
dShort Physical Performance Battery (SPPB). Split into four groups to capture the high number of 0 scores.
eIndependent samples Kruskal-Wallis test.
fSplit into two groups combining those with moderate and severe depression (depressed) against those with ‘none’.
Ellard et al.
Ellard et al. BMC Medicine 2014 12:1 doi:10.1186/1741-7015-12-1