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Table 3 Association of body mass index with trajectories of MMSE scores

From: Body mass index and trajectories of the cognition among Chinese middle and old-aged adults

RAPID DECLINE vs STABLE SLOW DECLINE vs STABLE
Adjustment OR 95%CI P OR 95%CI P
Model 1
 Normal (18.5 ~ 23.9) 1    1   
 Underweight (< 18.5) 2.830 1.786,4.483  < 0.001 1.777 1.311,2.409  < 0.001
 Overweight (24 ~ 27.9) 0.694 0.527,0.914 0.009 0.790 0.692,0.901  < 0.001
 Obesity (≥ 28) 0.722 0.546,0.956 0.023 0.630 0.546,0.726  < 0.001
Model 2
 Normal (18.5 ~ 23.9) 1    1   
 Underweight (< 18.5) 2.315 1.397,3.837 0.001 1.597 1.154,2.210 0.005
 Overweight (24 ~ 27.9) 0.782 0.582,1.051 0.103 0.857 0.743,9,989 0.034
 Obesity (≥ 28) 0.801 0.593,1.108 0.150 0.684 0.586,0.798  < 0.001
Model 3
 Normal 1    1   
 Underweight (< 18.5) 2.238 1.346,3.721 0.002 1.523 1.098,2.113 0.012
 Overweight (24 ~ 27.9) 0.821 0.610,1.105 0.193 0.870 0.753,1.005 0.059
 Obesity (≥ 28) 0.827 0.610,1.123 0.224 0.695 0.595,0.813  < 0.001
  1. Note: model 1: no adjustment; model 2: adjust for age, gender, marital status, years of schooling, medical insurance; model 3: adjust for age, gender, marital status, years of schooling, medical insurance, social activities, chronic diseases, physical activities, sleeping time