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. 2014 Mar 27;2:e322. doi: 10.7717/peerj.322

Table 3. Nine-item CDC HRQoL metric.

Variable Mean (S.D.)
4-item Healthy Days Core Module
General health rating (Excellent = 1, Poor = 5) 4.0 (1.0)
Physical health not good (# days out of 30) 20.1 (10.5)
Mental health not good (# days out of 30) 15.5 (10.8)
Physical or Mental health limited usual activities (# days out of 30) 16.8 (11.2)
5-item Healthy Days Symptoms Module
Pain limited activities (# days out of 30) 16.5 (11.7)
Sad, blue or depressed (# days out of 30) 12.4 (10.5)
Worried, tense or anxious (# days out of 30) 15.8 (11.1)
Not enough rest (# days out of 30) 20.3 (10.1)
Very healthy/full of energy (# days out of 30) 3.5 (6.2)