Table 3 Average exercise group attendances of study participants (N = 494) grouped by baseline variables

From: Whole home exercise intervention for depression in older care home residents (the OPERA study): a process evaluation

Grouping
Grouping	n	Mean	SD	Median	Interquartile range	Pvalue
Grouped by age^a						0.673^b
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 MMSE^c						0.009^b
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 SPPB^d						0.160^e
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 depression^f						<0.001^b
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’.

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