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Table 2 Impact of clinical and socioeconomic factors on health-related quality of life, hip pain and length-of-stay

From: Comparison of individual and neighbourhood socioeconomic status in case mix adjustment of hospital performance in primary total hip replacement in Sweden: a register-based study

  EQ 5D Hip pain LoS
Clinical characteristics Clinical characteristics and individual SES Clinical characteristics and neighbourhood SES Clinical characteristics Clinical characteristics and individual SES Clinical characteristics and neighbourhood SES Clinical characteristics Clinical characteristics and individual SES Clinical characteristics and neighbourhood SES
Predictor estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
estimate
(p-value)
Constant 0.802 (< 0.01) 0.707 (< 0.01) 0.753 (< 0.01) 0.863 (< 0.01) 1.189 (< 0.01) 1.121 (< 0.01) 0.736 (< 0.01) 0.961 (< 0.01) 1.014 (< 0.01)
Baseline EQ-5D 0.161 (< 0.01) 0.155 (< 0.01) 0.159 (< 0.01)       
Baseline hip pain     0.096 (< 0.01) 0.088 (< 0.01) 0.093 (< 0.01)    
Age −0.001 (< 0.01) − 0.001 (< 0.01) − 0.001 (< 0.01) 0.002 (< 0.01) 0.001 (0.18) 0.002 (< 0.01) 0.014 (< 0.01) 0.012 (< 0.01) 0.014 (< 0.01)
Male sex 0.039 (< 0.01) 0.031 (< 0.01) 0.038 (< 0.01) − 0.069 (< 0.01) − 0.056 (< 0.01) − 0.068 (< 0.01) − 0.081 (< 0.01) − 0.076 (< 0.01) − 0.077 (< 0.01)
Prior surgery 0.025 (< 0.01) 0.024 (< 0.01) 0.026 (< 0.01) − 0.085 (< 0.01) − 0.083 (< 0.01) − 0.085 (< 0.01) − 0.117 (< 0.01) − 0.115 (< 0.01) − 0.117 (< 0.01)
Number of comorbidities − 0.024 (< 0.01) − 0.022 (< 0.01) − 0.023 (< 0.01) 0.04 (< 0.01) 0.035 (< 0.01) 0.039 (< 0.01) 0.064 (< 0.01) 0.059 (< 0.01) 0.063 (< 0.01)
Bilateral surgery 0.037 (0.37) 0.042 (0.31) 0.039 (0.35) 0.102 (0.23) 0.088 (0.30) 0.101 (0.23) 0.543 (< 0.01) 0.528 (< 0.01) 0.536 (< 0.01)
Income   0.01 (< 0.01) 0.006 (0.24)   −0.02 (< 0.01) 0.02 (0.11)   −0.009 (< 0.01) 0.019 (0.01)
Born in Sweden   0.039 (< 0.01) 0.053 (0.01)   −0.146 (< 0.01) − 0.182 (< 0.01)   − 0.113 (< 0.01) −0.309 (< 0.01)
Educational level high   0.003 (0.70) −0.008 (0.72)   −0.063 (< 0.01) − 0.223 (< 0.01)   − 0.057 (< 0.01) − 0.051 (0.13)
Educational level medium   0.002 (0.78) −0.026 (0.28)   − 0.01 (0.45) − 0.133 (0.04)   − 0.036 (< 0.01) − 0.105 (< 0.01)
Number of observations 10,450 10,450 10,450 17,896 17,896 17,896 25,220 25,220 25,220