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Table 4 Adjusted mean scores of SF-36 versus the number of chronic diseases reported by urban community residents

From: Health-related quality of life and determinants in North-China urban community residents

  Number of chronic diseases  
0 1 2–3 > 3 P_ linear
PF 86.7 83.3 76.8* 46.3*** < 0.001
RP 87.7 79.2*** 70.7*** 57.2*** < 0.001
BP 97.3 81.1*** 69.1*** 66.0*** < 0.001
GH 70.6 60.9*** 52.7*** 46.5*** < 0.001
VT 45.8 44.8 48.1 52.1* 0.11
SF 53.6 53.2 54.6 56.4 0.44
RE 87.9 82.8** 77.4*** 71.6*** < 0.001
MH 63.7 57.8*** 55.2*** 54.0** < 0.001
PHC 345.1 306.9*** 271.1*** 228.5*** < 0.001
MHC 251.0 238.6*** 235.3** 234.1* < 0.001
  1. Adjusted for age, gender and area. General linear model was employed for the analysis and the mean scores in residents with 1, 2–3, and > 3 chronic diseases were compared to those in residents without chronic conditions: *: P < 0.05; **: P < 0.01; ***: P < 0.001