Table 4

Spearman’s rank correlation coefficient between COOP/WONCA chart scores and subjects’ parameters
COOP/WONCA chart
Japanese (n = 370) Physical fitness Feelings Daily activities Social activities Change in health Overall health Pain
  Age 0.244** −0.175* 0.021 −0.203** −0.120 −0.043 −0.108
  Sex 0.093 0.065 −0.045 0.029 −0.089 −0.101 0.173*
  Body Mass Index 0.007 −0.007 −0.064 −0.023 −0.026 −0.084 0.003
  Brinkman index −0.031 −0.036 0.030 −0.057 0.015 0.141 −0.112
  Heating sources - - - - - - -
  Number of respiratory symptoms 0.175* −0.010 0.095 −0.009 −0.047 0.105* 0.089
  COPD status 0.213** −0.202** 0.011 −0.191** −0.148* 0.018 −0.037
COOP/WONCA chart
Chinese (n = 400) Physical fitness Feelings Daily activities Social activities Change in health Overall health Pain
  Age 0.228** 0.069 0.066 0.104 0.073 0.174* 0.088
  Sex −0.009 −0.020 −0.091 −0.106 0.026 −0.036 0.088
  Body Mass Index −0.070 −0.034 −0.086 −0.055 0.041 −0.130 −0.041
  Brinkman index 0.257** 0.308** 0.396** 0.328** −0.030 0.253** 0.206**
  Heating sources 0.009 0.100 0.157* 0.146* −0.132 0.023 0.139
  Number of respiratory symptoms 0.368** 0.547** 0.653** 0.616** 0.098 0.398** 0.407**
  COPD status 0.452** 0.575** 0.738** 0.681** 0.200** 0.484** 0.429**

*: P<0.005, **: P<0.001.

Yamaguchi et al.

Yamaguchi et al. BMC Public Health 2013 13:754   doi:10.1186/1471-2458-13-754

Open Data