Stand When You Can: development and pilot testing of an intervention to reduce sedentary time in assisted living

BMC Geriatrics

Table 2 Device-measured movement variables pre- and post-intervention

Variable	Time	Site A		Site B		Overall
Variable	Time	Minutes per day	Cohen’s d	Minutes per day	Cohen’s d	Minutes per day	t (p)	Cohen’s d
Sitting time	Pre	614.6 ± 132.3	0.25	578.4 ± 237.7	0.10	596.5 ± 182.4	0.31 (0.75)	0.04
Sitting time	Post	577.5 ± 158.0	0.25	602.3 ± 232.8	0.10	589.9 ± 188.0	0.31 (0.75)	0.04
Stepping time	Pre	70.5 ± 54.1	0.16	63.7 ± 18.9	0.16	67.1 ± 38.4	− 0.91 (0.39)	0.16
Stepping time	Post	93.1 ± 84.8	0.16	57.2 ± 13.7	0.16	75.1 ± 60.3	− 0.91 (0.39)	0.16
Standing time	Pre	186.5 ± 81.8	0.15	242.6 ± 163.4	0.30	214.5 ± 125.4	0.54 (0.60)	0.11
Standing time	Post	197.9 ± 67.5	0.15	207.3 ± 108.9	0.30	202.6 ± 85.6	0.54 (0.60)	0.11
Upright time	Pre	257.0 ± 127.3	0.25	306.2 ± 162.6	0.25	281.6 ± 140.1	0.15 (0.88)	0.03
Upright time	Post	290.9 ± 142.1	0.25	264.5 ± 110.5	0.25	277.7 ± 120.8	0.15 (0.88)	0.03
Sitting time in bouts > 30 min	Pre	364.0 ± 144.1	0.25	388.3 ± 204.0	0.13	376.1 ± 167.0	0.29 (0.78)	0.05
Sitting time in bouts > 30 min	Post	320.4 ± 193.1	0.25	414.0 ± 185.8	0.13	367.2 ± 185.4	0.29 (0.78)	0.05
Steps per Day	Pre	5761.6 ± 5788.5	0.27	4584.8 ± 1273.1	0.78^a	5173.2 ± 3999.6	−0.94 (0.37)	0.20
Steps per Day	Post	7840.0 ± 9032.1	0.27	4083.8 ± 756.9	0.78^a	5962.9 ± 6358.5	−0.94 (0.37)	0.20
Sit to Stand Transitions per Day	Pre	49.2 ± 10.4	0.60^a	41.0 ± 5.7	0.28	45.1 ± 9.0	−0.72 (0.49)	0.15
Sit to Stand Transitions per Day	Post	54.60 ± 7.09	0.60^a	39.4 ± 5.8	0.28	47.0 ± 10.1	−0.72 (0.49)	0.15

All values expressed as mean ± standard deviation; All times are expressed as minutes per day
^amoderate effect size

ISSN: 1471-2318