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Table 4 Clustered logistic regression models explaining annual hospitalization by socio-demographic characteristics (cluster 1), health-related factors (cluster 2) and HRQOL domains (cluster 3)

From: Influence of health-related quality of life on health service utilization in Chinese rural-to-urban female migrant workers

Predictor variableb

ORa(95% CI)

P

NagelkerkecR2

Independent contribution (%)d

Cluster 1

    

Marital status

5.27 (2.48,11.18)

<0.001

  

Employment duration (y)

1.08 (1.02,1.14)

0.009

  

Total

  

0.093

78.8

Cluster 2

    

Total

  

0.093

0

Cluster 3

    

RP

0.75 (0.62,0.91)

0.003

  

GH

0.64 (0.52,0.80)

<0.001

  

Total

  

0.118

21.2

  1. HRQOL = health related quality of life; OR = Odds ratio; CI = confidence interval;
  2. RP = Role physical, GH = General health.
  3. aFor RP and GH scores, odd ratios per SD increase were presented.
  4. bOnly variables with P <0.05 were included in the model.
  5. cNagelkerke R2 is the variance in the dependent variable (annual hospitalization) explained by all independent variables included in the regression model.
  6. dThe independent contribution of each cluster of predictors to the variation in annual hospitalization was calculated as individual corresponding R2 change/total R2 change in the final model × 100%.
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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