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Table 2 Cognitive descriptions of eligible individuals

From: Sex-specific associations between lipids and cognitive decline in the middle-aged and elderly: a cohort study of Chinese adults

  Overall, N = 6792 Male, n = 3494 Female, n = 3298 P value
Cognition at baseline, mean (SD)
 Global cognition 11.84 (3.26) 12.31 (3.07) 11.34 (3.38) < 0.001
 Mental status 7.99 (2.52) 8.51 (2.30) 7.45 (2.62) < 0.001
 Episodic memory 3.85 (1.60) 3.80 (1.57) 3.89 (1.63) 0.018
Cognition at 2015, mean (SD)
 Global cognition 10.96 (3.93) 11.51 (3.60) 10.38 (4.16) < 0.001
 Mental status 7.39 (2.91) 7.96 (2.65) 6.79 (3.04) < 0.001
 Episodic memory 3.47 (1.79) 3.44 (1.74) 3.50 (1.83) 0.226
Absolute cognitive decline during 2011–2015, mean (SD)
 Global cognition 0.88 (3.44) 0.88 (3.38) 0.88 (3.50) 0.969
 Mental status 0.58 (2.71) 0.59 (2.67) 0.57 (2.76) 0.781
 Episodic memory 0.37 (1.86) 0.37 (1.83) 0.37 (1.89) 0.982
Groups of global cognition change, n (%) a
 No decline 3119 (47.55) 1612 (47.87) 1507 (47.20) 0.859
 Moderate decline 1791 (27.30) 914 (27.15) 877 (27.46)  
 Severe decline 1650 (25.15) 841 (24.98) 809 (25.34)  
Groups of mental status change, n (%) b
 No decline 3637 (54.67) 1898 (55.37) 1739 (53.93) 0.499
 Moderate decline 1531 (23.02) 779 (22.72) 752 (23.33)  
 Severe decline 1484 (22.31) 751 (21.91) 733 (22.74)  
Groups of episodic memory change, n (%) c
 No decline 3442 (51.74) 1769 (51.60) 1673 (51.89) 0.884
 Moderate decline 1683 (25.30) 876 (25.55) 807 (25.03)  
 Severe decline 1527 (22.96) 783 (22.85) 744 (23.08)  
  1. a232 missing, no decline (slope of change ≥ 0), moderate decline (slope of change: median to 0) and severe decline (slope of change < median)
  2. b140 missing, no decline (slope of change ≥ 0), moderate decline (slope of change: median to 0) and severe decline (slope of change < median)
  3. c140 missing, no decline (slope of change ≥ 0), moderate decline (slope of change: median to 0) and severe decline (slope of change < median)