TABLE 3.

Model performance (China, 2022).

	Model a1	Model a2	Model b
Precision	0.69	0.62	0.84
Recall	0.83	0.79	0.79
F-score	0.75	0.69	0.72
Accuracy	0.82	0.79	0.84

Note: 1) Model a¹refers to the model indicators of the predictive model constructed by the independent variables in 2011 to predict the cognitive impairment in 2013.

2) Model a² refers to the model indicators of the predictive model constructed by the independent variables in 2011 to predict the cognitive impairment in 2015.

3) Model b refers to the model indicators of the prediction model constructed by the cross-sectional data in 2015 and the independent variables to predict the cognitive impairment in 2015.