**9. Models of quality of life**

Various models have also been suggested for assessment of QOL among patients including cancer patients. Following are the various models of QOL:

1.Dijkers's model of quality of life and its evaluation (**Figure 1**)

2.Wilson and Cleary model of quality of life (**Figure 2**)

3.PROMIS conceptual model (**Table 4**)

4.Function-Neutral Health-Related Quality of Life Measure (**Table 5**)
