The de Morton Mobility Index: Normative Data for a Clinically Useful Mobility Instrument

Table 2

DEMMI normative Scores for group comparisons: mean, 95% confidence interval, and number in each subsample.

Age category	Overall	Independent	Independent women	Independent men	Semi-independent
	Mean
	(95% CI)
	Number
	86.4	86.2	87.2	82.8	87.4
60–69	(83.2, 89.6)	(82.9, 89.6)	(83.3, 91.1)	(75.4, 90.1)	(70.4, 100)
	𝑛=43	𝑛=38	𝑛=30	𝑛=8	𝑛=5
	81.4	84.3	83.4	88.4	77.2
70–79	(78.9, 83.9)	(81.5, 87.1)	(80.2, 86.6)	(82.1, 94.6)	(72.9, 81.6)
	𝑛=96	𝑛=57	𝑛=47	𝑛=10	𝑛=39
	75.3	77.9	78.6	76.0	71.9
80–89	(71.8, 78.9)	(73.3, 82.5)	(73.3, 83.8)	(63.10, 88.9)	(65.9, 77.9)
	𝑛=43	𝑛=24	𝑛=18	𝑛=6	𝑛=18
90+	62	62	—	62	—
	𝑛=1	𝑛=1		𝑛=1
	81.0	83.5	83.7	82.6	76.5
Total	(79.3, 82.8)	(82.5, 85.4)	(81.4, 85.9)	(77.9, 87.2)	(73.1, 79.9)
	𝑛=183	𝑛=120	𝑛=95	𝑛=25	𝑛=62