Skip to main content

Table 5 Standardized coefficients for measurement and structural models

From: Prospective associations between pulse pressure and cognitive performance in Chinese middle-aged and older population across a 5-year study period

Models Parameters Coefficients Z value Goodness-of-fit indices
Measurement models     χ2(1) = 35.1, P < 0.001, CFI = 0.99, TLI = 0.98, SRMR = 0.01; RMSEA = 0.06 (0.04–0.08)
Trajectory of PP Intercept 55.13a 357.75
Slope − 0.07 − 0.91
Trajectory of cognitive score Intercept 10.48a 241.29 χ2(1) = 91.6, P < 0.001, CFI = 0.99, TLI = 0.97, SRMR = 0.02; RMSEA = 0.09 (0.08–0.10)
Slope − 0.28a − 13.91
Structural models     
Unconditional model PP intercept → cog intercept − 0.25a 17.28 χ2(8) = 125.8, P < 0.001, CFI = 0.99, TLI = 0.99, SRMR = 0.02; RMSEA = 0.04 (0.03–0.05)
PP intercept → cog slope − 0.16a − 3.53
PP slope → cog slope − 0.06 − 0.66
Conditional modelb PP intercept → cog intercept − 0.04a − 2.56 χ2(68) = 285.5, P < 0.001, CFI = 0.99, TLI = 0.98, SRMR = 0.01; RMSEA = 0.02 (0.02–0.02)
PP intercept → cog slope − 0.10 − 1.34
PP slope → cog slope − 0.07 − 0.63
  1. Abbreviations: CFI Comparative fit index, Cog Cognition, PP Pulse pressure, RMSEA Root mean square error of approximation, SRMR Standardized root mean square residual, TLI Tucker-Lewis index
  2. aStatistical significance
  3. bAdjusted for age, sex, body mass index, education level, marital status, smoking, 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