Table 3

Average exercise group attendances of study participants (N = 494) grouped by baseline variables
Grouping
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

Open Data