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. 2020 Jun 29;4(4):igaa025. doi: 10.1093/geroni/igaa025

Table 3.

General Linear Mixed Models Examining Cognitive Function and Nocturnal Awakenings (n = 16,201)

Model 1 Model 2 Model 3
95% CI 95% CI 95% CI
B Lower Upper p Value b Lower Upper p Value b Lower Upper p Value
Nocturnal Awakenings
 Direct effect of difficulty
  Never Reference Reference Reference
  Sometimes −0.11 −0.24 0.03 .121 −0.10 −0.23 0.04 .166 −0.09 −0.22 0.05 .207
  Most nights −0.09 −0.26 0.09 .326 −0.02 −0.17 0.13 .823 0.00 −0.15 0.15 .973
 Direct effect of time
  2004 Reference Reference Reference
  2006 −0.39 −0.51 −0.27 .000 −0.32 −0.44 −0.20 .000 −0.31 −0.43 −0.19 .000
  2010 −1.19 −1.32 −1.07 .000 −1.16 −1.29 −1.04 .000 −1.10 −1.22 −0.97 .000
  2014 −1.65 −1.78 −1.52 .000 −1.65 −1.78 −1.52 .000 −1.54 −1.67 −1.41 .000
 Time × Difficulty
  2006 × Sometimes 0.06 −0.12 0.24 .497 0.07 −0.11 0.24 .466 0.09 −0.08 0.27 .300
  2010 × Sometimes 0.06 −0.13 0.24 .542 0.03 −0.15 0.21 .746 0.05 −0.13 0.23 .594
  2014 × Sometimes −0.05 −0.23 0.14 .632 −0.06 −0.24 0.13 .552 −0.03 −0.21 0.16 .768
  2006 × Most nights 0.02 −0.17 0.21 .819 0.06 −0.12 0.25 .496 0.13 −0.06 0.32 .169
  2010 × Most nights −0.10 −0.29 0.09 .315 −0.08 −0.27 0.11 .422 −0.03 −0.22 0.17 .793
  2014 × Most nights −0.19 −0.39 0.01 .065 −0.18 −0.38 0.02 .075 −0.10 −0.30 0.10 .334

Notes: Model 1: models include no covariates. Model 2: models include all demographic covariates. Model 3: models include all demographic and health covariates. Bold indicates significance less than .05.