Table 2.

Measures of Physical Behavior 4 and 12 months after Hip Fracture

	Descriptive statistics Based on complete cases			Estimated group difference Based on multiple imputation
	Total sample	CGC	OC	Difference
	Mean (SD)	Mean (SD)	Mean (SD)	CGC-OC; CI (p-value)
4 months
n=	283	143	140	397
Upright	215.3 (136.9)	231.9 (138.1)	198.3 (134.1)	34.6; 9.6 to 59.6 (.007)*
No. of Events	44.5 (21.3)	44.9 (19.1)	44.0 (23.5)	1.8; 2.8 to 6.3 (.452)
Event length:
Mean	4.7 (2.7)	5.1 (2.6)	4.4 (2.9)	0.6; 0.1 to 1.2 (.019)*
Max	44.4 (35.5)	48.0 (34.1)	40.7 (36.6)	7.2; 0.3 to 14.1 (.042)*
Median	2.5 (1.3)	2.6 (1.2)	2.3 (1.3)	0.2; 0.1 to 0.5 (.137)
IQR	4.7 (3.3)	5.0 (2.9)	4.5 (3.6)	0.5; 0.1 to 1.2 (.100)
12 months
n=	252	135	117	397
Upright	216.3 (134.2)	228.4 (138.3)	202.3 (128.4)	27.7; 3.5 to 51.8 (.025)*
Events	43.8 (19.9)	43.9 (18.7)	43.8 (21.3)	0.2; 4.6 to 5.1 (.930)
Event length:
Mean	4.8 (2.8)	5.1 (2.6)	4.5 (2.9)	0.6; 0.1 to 1.1 (.033)*
Max	48.2 (35.1)	51.2 (36.0)	44.7 (33.9)	7.2; 0.5 to 13.9 (.046)*
Median	2.4 (1.3)	2.5 (1.1)	2.4 (1.4)	0.1; 0.2 to 0.4 (.420)
IQR	4.9 (3.4)	5.1 (3.1)	4.6 (3.8)	0.5; 0.2 to 1.1 (.159)

*Statistical significant group differences (p < 0.05)

Notes: CGC-OC = unstandardized estimated B; Upright = time in upright position (min); Events = number of upright event; Event length = Mean, Maximum, Median and variation (IQR) in length of upright events