Table 3

Correlations of the various activation tasks and combined results with the AIMS and Goetz scales

Task No		Description		Acceleration vs AIMS score		Acceleration v Goetz Spearman rank correlation
Task No		Description		Spearman rank correlation	Pearson's logged acceleration	Acceleration v Goetz Spearman rank correlation
1	Sit silent	0.95^3-165		0.94^3-165
2	Mental activation	0.99^3-165		0.98^3-165
3	Conversation	0.97^3-165		0.94^3-165
1, 2, and 3	“Sitting tasks“	0.98^3-165	0.96^3-165	0.96^3-165
4	Write	0.97^3-165	0.91^3-150	0.95^3-165
5	Drink	0.88^3-165	0.95^3-150	0.78^3-150
6	Prepare toast	0.92^3-165	0.96^3-165	0.87^3-165
7	Eat toast	0.93^3-165		0.87^3-160
6 & 7	Prepare and eat toast	0.97^3-165		0.85^3-165
8	Coat	0.82^3-160	0.87	0.77
1–8	All tasks	0.97^3-165	0.91^3-165	0.95^3-165
9	Walk	0.72^3-150	0.63^3-160	0.63