Table 1

Baseline characteristics of study population by set: training set (2014–2018), validation set (2019) and analysis set (2020)

Variable	2014–2018	2019	2020*
Population older than 14 years	4 781 835	4 846 503	4 927 406
% of women	51.21	51.20	51.15
% of population older than 64 years	22.29	22.36	22.39
Socioeconomic status: % of people in the first quartile (least deprived)	21.69	21.71	21.70
Socioeconomic status: % of people in the second quartile	15.23	15.23	15.25
Socioeconomic status: % of people in the third quartile	20.92	20.91	20.72
Socioeconomic status: % of people in the fourth quartile (most deprived)	18.24	18.24	18.47
% of people in rural areas	23.93	23.91	23.86