Improving knowledge about disability transitions by adding retrospective information to panel surveys. Population Health Metrics

Table 2 Interval-Censored Episodes^a

	Number of Episodes Per Observation					Episode Length
	Mean (SD)		Min	Max		Mean (SD)		Median		Min	Max
	Sparse	Dense	Both	Sparse	Dense	Sparse	Dense	Sparse	Dense	Both	Both
ADL
Eating	2.56 (0.72)	2.68 (0.93)	1	4	6	40.99 (19.73)	38.40 (21.20)	40	28	2	145
I/O Bed^b	2.56 (0.72)	2.71 (0.87)	1	4	6	40.96 (19.70)	37.62 (21.35)	40	27	2	145
Mobility	2.57 (0.71)	2.73 (0.83)	1	4	6	41.02 (19.74)	37.26 (21.36)	40	27	2	145
Dressing	2.57 (0.71)	2.72 (0.89)	1	4	6	41.09 (19.79)	38.17 (21.33)	40	27	2	145
Bathing	2.57 (0.71)	2.69 (0.93)	1	4	6	41.08 (19.85)	37.19 (21.47)	40	26	2	145
Toileting	2.57 (0.71)	2.72 (0.89)	1	4	6	41.05 (19.77)	37.73 (21.33)	40	27	2	145

^aInstances where a recorded functional status is followed by one or more months with no status information, followed by a non-missing functional status or month of death.
^bI/O Bed = Getting in or out of bed.

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