Table 4.
Standardized coefficients for initial model and adjusted latent growth models
| Models | Parameters | Standardized coefficients | Z value | P value | Goodness-of-fit indices |
|---|---|---|---|---|---|
| Initial model | Intercept | 11.24 | 68.73 | < 0.01 | χ2(7) = 146.9, P < 0.001, CFI = 0.98, TLI = 0.97, SRMR = 0.058; RMSEA = 0.06 (0.05–0.07) |
| Slope | 0.01 | 0.11 | 0.92 | ||
| PP 2011 | − 0.05 | − 4.80 | < 0.01 | ||
| PP 2013 | − 0.04 | − 5.46 | < 0.01 | ||
| PP 2015 | − 0.08 | − 9.20 | < 0.01 | ||
| Adjusted modelsa | Intercept | 8.89 | 6.51 | < 0.01 | χ2(33) = 128.9, P < 0.001, CFI = 0.99, TLI = 0.98, SRMR = 0.01; RMSEA = 0.02 (0.02–0.03) |
| Slope | − 1.28 | − 1.70 | 0.08 | ||
| PP 2011 | 0.01 | 0.52 | 0.61 | ||
| PP 2013 | − 0.02 | − 1.98 | 0.05 | ||
| PP 2015 | − 0.02 | − 2.27 | 0.02 |
Abbreviations: CFI Comparative fit index, PP Pulse pressure, RMSEA Root mean square error of approximation, SRMR Standardized root mean square residual, TLI Tucker-Lewis index
aAdjusted for age, sex, body mass index, education level, marital status, smoke, alcohol use, hukou status, living status and health status before age 16, hypertension, diabetes or high blood sugar, psychiatric problems, memory-related disease, stroke, glucose, glycosylated hemoglobin, total cholesterol, activities of daily living, and depression symptoms