Table 1.

The state index expressed at rest was correlated with age

State index	r	p
Total dwell time	0.20	0.000
Total transition time	−0.20	0.000
Frequency of state 1	0.32	0.000
Frequency of state 3	−0.238	0.000
Frequency of state 4	−0.19	0.000
Frequency of state 5	0.11	0.022
Transition times of 1–5	0.19	0.000
Transition times of 2–3	−0.15	0.002
Transition times of 3–2	−0.12	0.015
Transition times of 3–4	−0.20	0.000
Transition times of 3–5	−0.17	0.000
Transition times of 4–3	−0.21	0.000
Transition times of 5–1	0.16	0.001
Transition times of 5–3	−0.14	0.003
Head motion	0.41	0.000