Table S1.

Regression models demonstrating whether associations between total sleep time or sleep efficiency and CMB risk vary by demographic factors (n = 426)

VariablesModel 3aModel 4aModel 3bModel 4bModel 3cModel 4c
B95% CIB95% CIB95% CIB95% CIB95% CIB95% CI
Race (African American = 1)0.07[−0.04, 0.18]0.06[−0.06, 0.17]0.07[−0.04, 0.17]0.04[−0.07, 0.15]0.06[−0.05, 0.16]0.02[−0.09, 0.13]
Age, in years0.01***[0.01, 0.02]0.01***[0.01, 0.02]0.01***[0.01, 0.02]0.01***[0.01, 0.02]0.01***[0.01, 0.02]0.01***[0.01, 0.02]
Sex (male = 1)−0.03[−0.13, 0.06]−0.04[−0.13, 0.06]−0.03[−0.14, 0.06]−0.04[−0.14, 0.06]−0.03[−0.12, 0.07]−0.04[−0.13, 0.05]
Partnered0.10*[0.01, 0.21]0.10[0.00, 0.20]0.11*[0.01, 0.21]0.10[0.00, 0.20]0.12*[0.02, 0.22]0.12*[0.02, 0.21]
Education (≤high school degree is reference)
 Some college attendance0.00[−0.11, 0.13]0.00[−0.12, 0.12]0.01[−0.11, 0.13]0.01[−0.11, 0.13]0.01[−0.11, 0.13]0.01[−0.11, 0.12]
 ≥4 y college degree0.03[−0.08, 0.14]0.03[−0.08, 0.14]0.03[−0.09, 0.14]0.04[−0.08, 0.15]0.02[−0.09, 0.13]0.03[−0.08, 0.13]
Income−0.01**[−0.02, 0.00]−0.01*[−0.02, 0.00]−0.01**[−0.02, 0.00]−0.01*[−0.02, 0.00]−0.01**[−0.02, 0.00]−0.01*[−0.02, 0.00]
Health behaviors
 Physical activity−0.08*[−0.15, −0.01]−0.07[−0.14, 0.00]−0.07*[−0.15, −0.01]−0.08*[−0.15, 0.00]−0.08*[−0.15, −0.01]−0.09*[−0.16, 0.01]
Fast food consumption (none is reference)
 Less than once a week0.08[−0.06, 0.20]0.07[−0.06, 0.20]0.08[−0.06, 0.20]0.08[−0.05, 0.21]0.08[−0.05, 0.21]0.07[−0.05, 0.20]
 Once a week or more0.19**[0.07, 0.31]0.18**[0.05, 0.30]0.19**[0.07, 0.31]0.17**[0.05, 0.30]0.19**[0.06, 0.31]0.17**[0.06, 0.29]
 Current cigarette smoker0.07[−0.07, 0.20]0.07[−0.06, 0.21]0.07[−0.07, 0.20]0.06[−0.08, 0.19]0.07[−0.06, 0.21]0.08[−0.05, 0.21]
 Depressive symptoms0.00[0.00, 0.01]0.00[0.00, 0.01]0.00[0.00, 0.01]0.00[0.00, 0.01]0.00[0.00, 0.01]0.00[−0.01, 0.01]
Sleep indicators
 Total sleep time, in hours−0.07**[−0.12, −0.02]−0.07**[−0.10, −0.02]−0.11***[−0.16, −0.06]
 Sleep efficiency, %−0.01**[−0.02, −0.00]−0.01**[−0.01, 0.00]−0.02***[−0.03, −0.01]
 Race × Total sleep time0.02[−0.07, 0.10]
 Race × Sleep efficiency0.00[−0.01, 0.01]
 Age × total Sleep time0.00[0.00, 0.00]
 Age × Sleep efficiency0.00[0.00, 0.00]
 Sex × total Sleep time0.10**[0.03, 0.17]
 Sex × Sleep efficiency0.02***[0.01, 0.03]
  • Sleep efficiency and sleep time were centered to aid in the interpretation of the main effects of relevant demographic variables. Significance: *P < 0.05. **P < 0.01. ***P < 0.001.