Skip to main content

Advertisement

Table 1 Definition and summary statistics of variables used in the analysis

From: Medical system and nutrition improvement for the rural elderly

Variable Definition Mean SD
Energy Average daily energy intake (kcal/day) 2052.907 708.801
Carbohydrates Average daily carbohydrate intake (g/day) 306.261 118.706
Fat Average daily fat intake (g/day) 63.062 37.365
Protein Average daily protein intake (g/day) 58.775 23.954
dnrcms The treatment dummy, dnrcms = 0 for the control group, and dnrcms = 1 for the treatment group 0.309 0.462
dt The year dummy, dt = 0 for 2000, and dt = 1 for 2006 0.500 0.500
dnrcms*dt The interaction term between dnrcms and dt 0.154 0.361
Age In years 67.749 7.829
Gender Male = 0, female = 1 0.525 0.499
Education years of formal education 3.364 3.793
Health Self-assessed health condition, a vector of dummy variable, poor = 1, base; fair = 2; good = 3; excellent = 4 2.286 0.754
lnIncome Per capital annual household income, in logarithm 8.084 1.052
Hhsize Number of people in the household 3.594 1.913
Smoke Currently smoking, yes = 1, no = 0 0.290 0.454
Drink Drinking alcohol over last year, yes = 1, no = 0 0.273 0.445
Activity A vector of dummy variable, no working ability = 1, base; light level = 2; moderate to vigorous level = 3 2.439 0.556
Insurance Own of other medical insurances, yes = 1, no = 0 0.102 0.303
Province dummies A vector of dummy variable / /