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Table 2 Multilevel logistic regression models for province-level variables and mental disability in 1987a

From: Effect modification of social-context changes on mental disability in China from 1987 to 2006: a multi-level study of 1.9 million people

 

1987, OR (95% CI)

Model 1

Model 2

Model 3

Model4

Model 5

Model6

Male

 Per capita gross domestic product

  High

Reference

    

Reference

  Medium

1.05 (0.73-1.37)

    

0.86 (0.52-1.19)

  Low

1.00 (0.70-1.31)

    

0.64 (0.29-1.00)

 Number of health professional in per 1,000 people

  High

 

Reference

   

Reference

  Medium

 

0.83 (0.57-1.10)

   

0.74 (0.49-0.98)

  Low

 

1.19 (0.90-1.48)

   

1.14 (0.80-1.48)

 Proportion of agriculture, forestry, animal husbandry and fishery (%)

 High

  

Reference

  

Reference

  Medium

  

1.03 (0.77-1.35)

  

0.92 (0.62-1.22)

  Low

  

0.90 (0.64-1.16)

  

0.68 (0.27-1.09)

 Illiterate (%)

  High

   

Reference

 

Reference

  Medium

   

1.06 (0.72-1.39)

 

0.84 (0.53-1.16)

  Low

   

0.93 (0.66-1.20)

 

0.85 (0.47-1.23)

 Percentage of aged 65 and over (%)

  High

    

Reference

Reference

  Medium

    

1.01 (0.67-1.35)

0.81 (0.48-1.13)

  Low

    

0.87 (0.62-1.13)

0.85 (0.55-1.15)

ICC

0.024

0.034

0.021

0.04

0.024

0.014

Female

 Per capita gross domestic product

  High

Reference

    

Reference

  Medium

1.04 (0.73-1.35)

    

0.98 (0.63-1.33)

  Low

1.27 (0.89-1.65)

    

0.96 (0.48-1.46)

 Number of health professional in per 1,000 people

  High

 

Reference

   

Reference

  Medium

 

0.75 (0.50-1.00)

   

0.65 (0.45-0.85)

  Low

 

0.96 (0.71-1.22)

   

0.77 (0.55-0.98)

 Proportion of agriculture, forestry, animal husbandry and fishery (%)

  High

  

Reference

  

Reference

  Medium

  

0.67 (0.48-0.86)

  

0.69 (0.48-0.90)

  Low

  

0.86 (0.60-1.16)

  

0.52 (0.23-0.80)

 Percentage of illiterate (%)

  High

   

Reference

 

Reference

  Medium

   

0.86 (0.58-1.14)

 

0.79 (0.52-1.07)

  Low

   

0.86 (0.60-1.16)

 

0.95 (0.55-1.35)

 Percentage of aged 65 and over (%)

  High

    

Reference

Reference

  Medium

    

1.08 (0.70-1.46)

0.72 (0.45-0.99)

  Low

    

1.01 (0.70-1.32)

0.68 (0.47-0.90)

ICC

0.025

0.025

0.019

0.027

0.028

0.011

  1. Abbreviations: CI confidence interval, OR odds ratio
  2. a Model 1: adjustment for per capita gross domestic product and individual-level variables; Model 2: adjustment number of health professional per 1,000 people and individual-level variables; Model 3: adjustment proportion of agriculture, forestry, animal husbandry and fishery and individual-level variables; Model 4: adjustment percentage of illiterate and individual-level variables; Model 5: adjustment percentage of aged 65 and over and individual-level variables; Model 6: adjustment for area-level variables and individual-level variables