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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