Table 6 The minimum days required for reliable SB and ATMB results stratified by their stand and walk capacity

Awaking hours (h)

Able

.782 (.656–0.774)

3

5

Unable

.821 (.662-.906)

2

4

Standing duration (h)

Able

.941 (.898-.965)

2

2

Unable

.940 (.887-.968)

2

2

% time awake standing

Able

.945 (.905-.968)

2

2

Unable

.904 (.819-.949)

2

2

Walking duration (h)

Able

.936 (.890-.962)

2

2

Unable

.953 (.911-.975)

2

2

% time awake walking

Able

.926 (.873-.957)

2

2

Unable

.914 (.838-.955)

2

2

Absolute time upright (h)

Able

.947 (.909-.969)

2

2

Unable

.946 (.897-.971)

2

2

% time awake upright

Able

.954 (.921-.973)

2

2

Unable

.912 (.834-.953)

2

2

Number of sit to stand transitions

Able

.948 (.911-.970)

2

2

Unable

.704 (.441-.844)

3

6

Absolute time in SB (h)

Able

.918 (.859-.952)

2

2

Unable

.808 (.637-.898)

2

4

% time awake in SB

Able

.954 (.921-.973)

2

2

Unable

.912 (.834-.953)

2

2

Number of SB bouts < 30 min

Able

.948 (.910-.969)

2

2

Unable

.671 (.378-.826)

3

 > 6

Absolute time spent in bouts < 30 min (h)

Able

.905 (.838-.945)

2

2

Unable

.717 (.465-.850)

3

 > 6

% time awake in bouts < 30 min

Able

.891 (.814-.937)

2

3

Unable

.623 (.287-.801)

4

 > 6

Number of SB bouts between 30–60 min

Able

.778 (.619-.870)

3

 > 6

Unable

.564 (.176-.769)

5

 > 6

Absolute time spent in bouts 30–60 min

Able

.792 (.644-.879)

3

 > 6

Unable

.497 (.049-.734)

5

 > 6

% time awake in bouts between 30–60 min

Able

.791 (0.641–0.878)

3

 > 6

Unable

.446 (-0.047–0.707)

6

 > 6

Number of SB bouts between > 60 min

Able

.698 (0.483–0.824)

3

 > 6

Unable

.379 (-0.174–0.672)

5

 > 6

Absolute time spent in bouts > 60 min

Able

.901 (.830-.942)

2

2

Unable

.774 (.574-.881)

3

4

% time awake in bouts between > 60 min

Able

.913 (.851-.949)

2

2

Unable

.759 (.544-.872)

3

5

Average duration of SB bouts (min)

Able

.754 (.578-.857)

3

5

Unable

.913 (.836-.954)

2

2