Table 2

Multilevel logistic regression estimates of reporting fair or poor health

Effects and variablesModel 1Model 2
OR (95% CI)OR (95% CI)
Fixed part
 Land-use conversion in 20050.99 (0.97 to 1.01)
 The change in land-use conversion from 2000 to 20050.96 (0.90 to 1.02)
 The logarithm GDP per capita in 20050.91 (0.81 to 1.01)
 The change in GDP per capita from 2000 to 20050.94 (0.85 to 1.05)
 The logarithm population density in 20050.93 (0.87 to 0.99) *
 The change in population density from 2000 to 20050.74 (0.59 to 0.93) **
 The no of hospital beds per 1000 population in 20051.12 (1.06 to 1.19) ***
 The change in no of hospital beds per thousand population from 2000 to 20050.91 (0.67 to 1.25)
 Females (ref: males)1.16 (1.14 to 1.19) ***1.16 (1.14 to 1.19) ***
Age (ref: 60–64)
 65–691.81 (1.77 to 1.86) ***1.81 (1.77 to 1.86) ***
 70–743.19 (3.10 to 3.27) ***3.19 (3.11 to 3.27) ***
 75–794.66 (4.53 to 4.80) ***4.67 (4.53 to 4.81) ***
Minority (ref: Han Chinese)1.05 (1.00 to 1.11)1.05 (0.99 to 1.10)
Single, divorced or widowed (ref: married)1.30 (1.28 to 1.33) ***1.30 (1.28 to 1.33) ***
Hukou status (ref: local agricultural)
 Local non-agricultural0.92 (0.89 to 0.95) ***0.91 (0.88 to 0.94) ***
 Non-local agricultural0.73 (0.69 to 0.78) ***0.73 (0.69 to 0.78) ***
 Non-local non-agricultural0.83 (0.78 to 0.87) ***0.82 (0.78 to 0.87) ***
Education (ref: no schooling)
 Elementary school or junior high school0.68 (0.67 to 0.70) ***0.68 (0.67 to 0.70) ***
 Senior high school0.60 (0.57 to 0.63) ***0.60 (0.57 to 0.63) ***
 College or above0.55 (0.52 to 0.58) ***0.55 (0.52 to 0.58) ***
Had primary endowment insurance (ref: did not have)0.88 (0.85 to 0.91) ***0.88 (0.85 to 0.91) ***
Had basic medical insurance (ref: did not have)0.98 (0.95 to 1.00)0.98 (0.95 to 1.00)
Urbanicity of current residence (ref: rural areas)
 Urban areas: towns0.87 (0.84 to 0.89) ***0.87 (0.84 to 0.89) ***
 Urban areas: cities0.87 (0.84 to 0.90) ***0.87 (0.84 to 0.89) ***
Housing area per capita (m2)0.998 (0.997 to 0.999) ***0.998 (0.997 to 0.999) ***
Housing construction time after 1978 (ref: before 1978)0.88 (0.86 to 0.90) ***0.88 (0.86 to 0.90) ***
Housing facilities (ref: none, one and two)
 Three0.99 (0.96 to 1.01)0.99 (0.96 to 1.01)
 Four0.82 (0.80 to 0.85) ***0.83 (0.80 to 0.85) ***
Var (city-level constant)0.14***0.11***
Log likelihood−135659.94−135632.03
 AIC271363.90271324.10
 ICC0.040.03
  • *P<0.05, **P<0.01, ***P<0.001.

  • AIC, Akaike Information Criterion; GDP, gross domestic product; ICC, Intraclass Correlation Coefficient.