Table 2 Scales establishing interval level data

$\left.\begin{array}{c}\mathsf{\text{Shopping}}\left(-.83\right)\\ \mathsf{\text{Doing laundry}}\left(-.19\right)\end{array}\right\}26\%$

Scrub floor (1.75)

Carry groceries 1 block (1.50)

$\left.\begin{array}{c}\mathsf{\text{Heavy house chores}}\left(-2.49\right)\\ \mathsf{\text{Carry groceries}}\left(-1.70\right)\end{array}\right\}15\%$

$\left.\begin{array}{c}\mathsf{\text{Active recreation}}\left(62\right)\\ \mathsf{\text{Volunteer job}}\left(53\right)\end{array}\right\}24\%$

Bathing (-.10)

Iron cloths (1.25)

Walk two blocks (-1.48)

Travel out of town (53)

Mobility outside (.02)

Stoop (1.00)

Light chores (-1.12)

Invite people to home (51)

Prepare meals (.29)

Cut toe-nails (.75)

Shop/run errands (-1.08)

Care for others (49)

Taking medicine (.38)

In/out of car (.50)

In/out bathtub (-1.02)

Visit friends & family (48)

Finances (.46)

Walk 1/2 block (.25)

Reach high, 5lb item (-.90)

Go out to public places (47)

Mobility inside (.53)

Wash dishes by hand (.00)

Wash hair (-.22)

Care of home, inside (42)

Light housework (.56)

Balance checkbook (- 0.25)

Arise from chair (-.19)

Take care of errands (41)

Dressing (.60)

Go to the bank (- 0.50)

Pick up cloths (-.13)

Keep contact w/others (36)

Transferring (.70)

Take vitamins (-0.75)

Up/down 2 steps + (-.12)

$\left.\begin{array}{c}\mathsf{\text{Take care of health}}\left(33\right)\\ \mathsf{\text{Personal care needs}}\left(25\right)\end{array}\right\}22\%$

Toileting (.94)

Wash face (-1.00)

Prepare own food (-.05)

Answer telephone (-1.25)

In/out of car (.10)

$\left.\begin{array}{c}\mathsf{\text{Telephoning}}\left(1.1\right)\\ \mathsf{\text{Incontinence}}\left(1.60\right)\end{array}\right\}21\%$

Drink from a glass (-1.50)

Dress self + tie shoes (.24)

Feeding (1.61)

Fortinsky et al., 2003

Wash & dry body (.33)

Haley et al., 2002

Shopping (-3.35)

Open car doors (.45)

Laundry (-3.34)

Cut meat (.48)

$\left.\begin{array}{c}\mathsf{\text{Run half mile}}\left(75\right)\\ \mathsf{\text{Hike several miles}}\left(65\right)\end{array}\right\}22\%$

Housekeeping (2.61)

Open milk carton (.49)

Walk slippery surface (63)

Open jars (.56)

Walk brisk mile (61)

$\left.\begin{array}{c}\mathsf{\text{Transport}}\left(-1.87\right)\\ \mathsf{\text{Bathing}}\left(-1.15\right)\end{array}\right\}10\%$

Write with pen or pencil (.59)

Run to catch bus (60)

Prepare meals (-0.72)

Arise from bed (.75)

Carry & climb stairs (59)

Dress lower (-0.02)

On/off toilet (.89)

3 flights stairs inside (58)

Oral medication (.01)

Comb hair (1.17)

1 flight outside (57)

Dress upper (0.56)

Get up from floor (55)

$\left.\begin{array}{c}\mathsf{\text{Turn faucets on/off}}\left(1.68\right)\\ \mathsf{\text{Lift full cup or glass}}\left(2.75\right)\end{array}\right\}21\%$

Walk one mile (53)

$\left.\begin{array}{c}\mathsf{\text{Grooming}}\left(0.57\right)\\ \mathsf{\text{Ambulation}}\left(1.64\right)\end{array}\right\}13\%$

Dubuc et al., 2004

Walk several blocks (52)

Telephone use

(1.78)

Arise from low couch (51)

$\left.\begin{array}{c}\mathsf{\text{Toileting}}\left(2.01\right)\\ \mathsf{\text{Transferring}}\left(2.78\right)\\ \mathsf{\text{Feeding}}\left(3.73\right)\end{array}\right\}13\%$

$\left.\begin{array}{c}\mathsf{\text{Vigorous activities}}\left(66\right)\\ \mathsf{\text{Walk}}1\mathsf{\text{mile}}+\left(59\right)\end{array}\right\}21\%$

On/off a bus (49)

Up several flights (58)

Use step stool (48)

Bend, kneel, stoop (57)

Open heavy door (47)

Walk several blocks (53)

Up/down curb (46)

Lift or carry groceries(52)

Bend over (45)

Moderate activities (50)

1 flight of stairs inside (44)

Climb 1 flight (45)

Reach overhead (43)

Make bed (42)

$\left.\begin{array}{c}\mathsf{\text{Walk}}1\mathsf{\text{block}}\left(42\right)\\ \mathsf{\text{Bath or dress self}}\left(32\right)\end{array}\right\}29\%$

Get in/out of car (41)

Pick up chair (40)

Walking inside home (37)

On/off coat (35)

On/off trousers (34)

Wash dishes (33)

Hold full glass (30)