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Table 3 The impact of the NRCMS on the rural elderly’s nutrition intake based on a DID model

From: Medical system and nutrition improvement for the rural elderly

Dependent variables Independent variables Coef SE P value 95% CI
Energy dnrcms*dt 206.686 59.483 0.001 (90.029, 323.343)
dnrcms 12.092 46.542 0.795 (− 79.185, 103.368)
dt − 51.274 34.246 0.135 (− 118.437, 15.889)
Control variables Yes
R 2 0.281
Carbohydrates dnrcms*dt 36.379 9.799 0.000 (17.162, 55.596)
dnrcms − 4.404 7.373 0.550 (− 18.863, 10.055)
dt − 2.116 5.702 0.711 (− 13.299, 9.067)
Control variables Yes
R 2 0.302
Fat dnrcms*dt 4.867 3.315 0.142 (−1.634, 11.367)
dnrcms 1.927 2.440 0.430 (−2.858, 6.711)
dt − 5.004 2.055 0.015 (− 9.035, − 0.973)
Control variables Yes
R 2 0.118
Protein dnrcms*dt 6.979 2.182 0.001 (2.700, 11.258)
dnrcms − 0.553 1.764 0.754 (− 4.013, 2.907)
dt − 1.534 1.167 0.189 (− 3.823, 0.756)
Control variables Yes
R 2 0.203
Obs 1983    
  1. Notes: Demographic variables, socio-economic variables, lifestyle variables and provinces dummies as shown in Table 1 are controlled in the DID model. Coef is abbreviated for coefficient