Table 40: Values of the Student's t-test for a sample mean for comparing our number of ADL/Environments with the average number of ADL/Environments recognized in the literature.

Test Value = 16		Degrees of Freedom	Significance Probability (Bilateral)	Average of the Difference (%)	–	–
–					95% Confidence Interval of Difference
t-score					Lowest	Highest
Mean number of ADL / Environments	-7.863	7	0.000	-9.25000	-12.0318	-6.4682