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. Author manuscript; available in PMC: 2024 Mar 1.
Published in final edited form as: Heart Lung. 2022 Dec 11;58:144–151. doi: 10.1016/j.hrtlng.2022.12.005

Table 4.

Correlation and linear regression analyses examining associations of night movement index, sleep fragmentation index, and high SDB risk with overall and regional adiposity.

Correlation Unadjusted Age-Adjusted
r s p-value β 95% CI β 95% CI
Night movementindex
BMI, kg/m2 0.25 .087 5.67 0.07, 11.26 2.33 −2.89, 7.55
RV EAT, mm −0.21 .358 0.77 0.54, 1.11 0.79 0.53, 1.17
AV groove EAT, mm −0.01 .953 1.01 0.79, 1.30 0.98 0.75, 1.28
Abdominal VAT, cm2 0.01 .978 1.05 0.66, 1.66 0.89 0.55, 1.45
Abdominal SAT, cm2 0.20 .398 111.64 −44.50, 267.77 −1.83 −127.86, 124.20
Abdominal VAT/SAT ratio −0.34 .139 −0.09 −0.26, 0.07 −0.03 −0.19, 0.14
Liver FF,% −0.35 .116 0.67 0.42, 1.06 0.53 0.34, 0.84
Thigh SAT, cm2 0.23 .299 47.32 −44.57, 139.21 −0.97 −91.74, 89.81
Thigh IMAT, cm2 0.39 .094 1.64 0.87, 3.11 1.40 0.70, 2.81
Thigh IMAT FF,% 0.09 .708 3.92 −5.63, 13.47 5.01 −5.60, 15.61
Thigh interMF, cm2 0.38 .152 1.69 0.94, 3.05 1.99 1.11, 3.59
Thigh intraMF, cm2 0.27 .262 4.62 −4.03, 13.27 3.18 −5.42, 11.78
Sleep fragmentation index
BMI, kg/m2 0.26 .066 5.43 −0.80, 11.65 1.74 −4.01, 7.50
RV EAT, mm −0.25 .271 0.72 0.49, 1.04 0.73 0.49, 1.08
AV groove EAT, mm 0.04 .851 1.06 0.82, 1.37 1.04 0.79, 1.37
Abdominal VAT, cm2 0.05 .814 1.06 0.65, 1.73 0.94 0.57, 1.54
Abdominal SAT, cm2 0.08 .748 81.97 −88.35, 252.29 −15.23 −144.02, 113.56
Abdominal VAT/SAT ratio −0.22 .349 −0.05 −0.23, 0.13 0.01 −0.16, 0.18
Liver FF,% −0.46 .035 0.61 0.38, 0.99 0.51 0.32, 0.80
Thigh SAT, cm2 0.13 .566 37.47 −60.61, 135.55 −4.13 −96.40, 88.14
Thigh IMAT, cm2 0.36 .123 1.68 0.86, 3.29 1.46 0.73, 2.93
Thigh IMAT FF,% 0.16 .500 4.62 −5.37, 14.61 5.39 −5.26, 16.04
Thigh interMF, cm2 0.40 .121 1.72 0.94, 3.14 1.88 1.04, 3.40
Thigh intraMF, cm2 0.20 .420 3.96 −5.00, 12.92 3.00 −5.65, 11.65
High SDB risk
BMI, kg/m2 0.24 .098 6.56 −1.57, 14.69 3.64 −3.64, 10.83
RV EAT, mm 0.00 1.00 0.90 0.57, 1.44 0.99 0.58, 1.68
AV groove EAT, mm 0.11 .635 1.18 0.88, 1.59 1.18 0.84, 1.67
Abdominal VAT, cm2 0.24 .294 1.55 0.92, 2.59 1.38 0.76, 2.50
Abdominal SAT, cm2 0.28 .233 150.00 −58.50, 358.40 −91.36 −275.56, 92.83
Abdominal VAT/SAT ratio 0.13 .575 0.09 −0.13, 0.31 0.34 0.14, 0.54
Liver FF,% −0.02 .931 1.12 0.61, 2.05 0.94 0.47, 1.87
Thigh SAT, cm2 0.11 .621 35.83 −78.99, 150.64 −42.46 −157.17, 72.25
Thigh IMAT, cm2 −0.26 .268 0.62 0.28, 1.39 0.34 0.16, 0.75
Thigh IMAT FF,% −0.52 .016 −14.37 −24.53, −4.22 −19.05 −30.10, −7.99
Thigh interMF, cm2 −0.34 .191 0.62 0.36, 1.08 0.59 0.30, 1.14
Thigh intraMF, cm2 −0.24 .331 −5.19 −14.14, 3.76 −11.74 −20.48, −3.00

Note. Results for the following variables were log-transformed and are presented as exponentiated beta coefficients and 95% CIs: RV EAT, AV groove EAT, abdominal VAT, liver FF, thigh IMAT, and thigh interMF. Bold indicates statistical significance using a threshold of 0 for 95% CIs of non-exponentiated variables and 1.00 for 95% CIs of exponentiated variables.

rs =Spearman’s rho coefficient; β =beta coefficient; AV=atrioventricular; BMI=body mass index; EAT=epicardial adipose tissue; FF=fat fraction; IMAT=intermuscular adipose tissue; interMF=intermuscular fat; intraMF=intramuscular fat; RV=right ventricular; SAT=subcutaneous adipose tissue; SDB = sleep-disordered breathing; VAT=visceral adipose tissue.