Table 5 Known-group validity of CarerQol-7D

Caregiver’s age

 < 35

12.5(2.8)

0.002

 35–44

13.0(2.9)

 ≥ 45

13.8(2.8)

Caregiver’s health status

 Poor

15.9(2.6)

< 0.01

 Average

13.4(2.6)

 Good

11.3(2.3)

Educational level

 Primary or below

15.5(3.4)

< 0.001

 Secondary

13.5(2.8)

 Tertiary or above

12.3(2.7)

Family registry

 Urban

12.4(2.7)

< 0.001

 Rural

13.8(2.9)

Perceived socioeconomic status

 Lower than local average

15.4(2.7)

< 0.001

 Equal to local average

12.5(2.7)

 Higher than local average

11.9(2.6)