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. 2024 Mar 5;20:20. doi: 10.1186/s12992-024-01025-z

Table 2.

Regression results of unconditional convergence model based on the full sample and regional subsamples

Dependent Variable: ln (doc) Lag1 Lag2 Lag3 Lag4 Lag5 Lag6 Lag7 Lag8 Lag9 Lag10
Full Sample β −0.173*** − 0.216*** − 0.255*** − 0.283*** − 0.316*** − 0.340*** − 0.367*** −0.392*** − 0.417*** − 0.434***
SD 0.005 0.006 0.007 0.008 0.009 0.009 0.010 0.010 0.011 0.011
Western Region β −0.226*** − 0.257*** − 0.297*** −0.322*** − 0.357*** − 0.372*** − 0.396*** − 0.420*** − 0.433*** − 0.432***
SD 0.011 0.013 0.015 0.017 0.018 0.019 0.020 0.021 0.022 0.022
Central Region β − 0.186*** − 0.265*** − 0.318*** − 0.364*** − 0.410*** −0.440*** − 0.469*** − 0.500*** − 0.528*** −0.559***
SD 0.009 0.012 0.013 0.014 0.016 0.017 0.017 0.018 0.019 0.019
Eastern Region β −0.119*** −0.154*** − 0.187*** −0.212*** − 0.233*** −0.267*** − 0.302*** −0.329*** − 0.372*** −0.402***
SD 0.007 0.008 0.010 0.011 0.012 0.013 0.014 0.015 0.015 0.016
R 0.171 0.216 0.255 0.283 0.316 0.340 0.367 0.392 0.417 0.434
R2 0.029 0.047 0.065 0.080 0.100 0.116 0.135 0.154 0.174 0.188
Adjusted R2 0.029 0.047 0.065 0.080 0.100 0.115 0.134 0.153 0.174 0.188
Dependent Variable: ln (bed)
Full Sample β −0.142*** −0.202*** −0.268*** −0.334*** −0.375*** − 0.421*** −0.465*** − 0.508*** −0.542*** − 0.579***
SD 0.003 0.004 0.005 0.006 0.006 0.007 0.007 0.008 0.008 0.008
Western Region β −0.156*** −0.213*** − 0.284*** −0.355*** − 0.403*** −0.459*** − 0.511*** −0.565*** − 0.599*** −0.639***
SD 0.006 0.008 0.009 0.011 0.012 0.013 0.013 0.014 0.014 0.015
Central Region β −0.125*** −0.182*** − 0.243*** −0.305*** − 0.34*** −0.377*** − 0.420***  −0.461***  − 0.496***  −0.528*** 
SD 0.005 0.007 0.009 0.01 0.012 0.013 0.014 0.015 0.016 0.016
Eastern Region β −0.147*** −0.211*** − 0.274*** −0.339*** − 0.377*** −0.416*** − 0.454*** −0.484*** − 0.519*** −0.558***
SD 0.004 0.006 0.007 0.008 0.009 0.010 0.011 0.011 0.012 0.012
R 0.139 0.202 0.268 0.334 0.375 0.421 0.465 0.508 0.542 0.579
R2 0.019 0.041 0.072 0.111 0.141 0.177 0.217 0.258 0.294 0.335
Adjusted R2 0.019 0.041 0.071 0.111 0.140 0.177 0.216 0.258 0.293 0.335

***, **, and * indicate statistical significance at the 0.1, 1, and 5% levels, respectively

SD standard deviation