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Table 4 Association between diabetes status and cognition among different age groups

From: The association between undiagnosed diabetes and cognitive function: findings from the China health and retirement longitudinal study

Variable of interest

Executive Function

Episodic Memory

Crude model β(t)

Adjusted model β(t)

Crude model β(t)

Adjusted model β(t)

Sample in 45-54 years (n = 2897)

Diabetes status (“No diabetes” as reference)

    Diagnosed DM

0.316*(2.17)

0.374*(2.52)

−0.199(−1.59)

−0.142(−1.19)

    Undiagnosed DM

−0.071(−0.40)

0.003 (0.02)

0.067 (0.52)

0.161 (1.28)

Sample in 55-64 years (n = 3642)

Diabetes status (“No diabetes” as reference)

    Diagnosed DM

0.165 (1.03)

0.067 (0.47)

0.037 (0.34)

−0.120(−1.24)

    Undiagnosed DM

0.179 (0.83)

−0.163(−1.23)

0.265 (0.94)

0.007 (0.04)

Sample in ≥65 years (n = 3316)

Diabetes status (“No diabetes” as reference)

    Diagnosed DM

0.411*(2.41)

−0.090(−0.64)

0.349**(2.85)

−0.024(−0.23)

    Undiagnosed DM

−0.557**(−3.19)

−0.358**(−2.67)

−0.443***(−3.61)

−0.356**(−3.46)

  1. Adjusted model: controlling for significant covariates except age group mentioned in Table 2
  2. Statistical significance test: ***P < 0.001, **P < 0.01, *P < 0.05