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. Author manuscript; available in PMC: 2015 Sep 23.
Published in final edited form as: Obesity (Silver Spring). 2013 Oct 15;22(2):598–607. doi: 10.1002/oby.20558

TABLE 3.

Results from linear regression analyses of anthropometric variables (dependent variable) on sleep duration (independent variable) among 13,742 participants aged ≥20 years, National Health and Nutrition Examination Survey 2005–2010

Population Body mass index (kg/m2)
Waist circumference (cm)
Beta (SE) P P interaction Beta (SE) P P interaction
Total (N = 13742) Model 1a −0.39 (0.05) <0.001 A −0.90 (0.13) <0.001 A
Model 2b −0.31 (0.05) <0.001 A −0.68 (0.13) <0.001 A
Model 3c −0.33 (0.05) <0.001 A −0.69 (0.12) <0.001 A
Model 4d −0.27 (0.04) <0.001 A −0.53 (0.11) <0.001 A
Model 5e 0.51 (0.25) 0.044 A 1.22 (0.61) 0.053 A
−0.05 (0.02)f 0.005 A −0.12 (0.05)f 0.013 A
Men (N = 6904) Model 1a −0.32 (0.06) <0.001 0.136 −0.64 (0.17) <0.001 0.144
Model 2b −0.28 (0.06) <0.001 0.135 −0.62 (0.17) 0.001 0.135
Model 3c −0.31 (0.06) <0.001 0.175 −0.68 (0.16) <0.001 0.177
Model 4d −0.26 (0.06) <0.001 0.206 −0.54 (0.15) 0.001 0.212
Model 5e 0.48 (0.33) 0.154 A −0.42 (0.15) 0.008 0.286
−0.05 (0.02)f 0.034 A A A A
Women (N = 6838) Model 1a −0.46 (0.07) <0.001 −0.94 (0.18) <0.001
Model 2b −0.33 (0.08) <0.001 −0.70 (0.19) 0.001
Model 3c −0.33 (0.07) <0.001 −0.65 (0.18) 0.001
Model 4d −0.26 (0.07) <0.001 −0.49 (0.16) 0.004
Model 5e −0.17 (0.06) 0.010 −0.27 (0.16) 0.099
White (N = 6783) Model 1a −0.40 (0.06) <0.001 0.200 −1.07 (0.17) <0.001 0.036
Model 2b −0.34 (0.06) <0.001 0.321 −0.77 (0.16) <0.001 0.170
Model 3c −0.36 (0.06) <0.001 0.491 −0.77 (0.15) <0.001 0.300
Model 4d −0.30 (0.05) <0.001 0.540 −0.61 (0.14) <0.001 0.336
Model 5e 0.65 (0.34) 0.064 A 1.38 (0.92) 0.140 A
−0.06 (0.02)f 0.012 A −0.13 (0.07)f 0.049 A
African American (N = 2743) Model 1a −0.28 (0.08) 0.002 −0.56 (0.18) 0.003
Model 2b −0.27 (0.09) 0.004 −0.50 (0.19) 0.012
Model 3c −0.28 (0.09) 0.003 −0.53 (0.19) 0.007
Model 4d −0.16 (0.09) 0.073 −0.28 (0.19) 0.149
Model 5e −0.13 (0.09) 0.160 −0.14 (0.19) 0.452
Mexican American (N = 2498) Model 1a −0.21 (0.12) 0.086 −0.51 (0.29) 0.087
Model 2b −0.21 (0.12) 0.072 −0.47 (0.29) 0.117
Model 3c −0.22 (0.12) 0.077 −0.49 (0.32) 0.130
Model 4d −0.21 (0.12) 0.098 −0.45 (0.31) 0.151
Model 5e −0.17 (0.12) 0.174 −0.36 (0.29) 0.225
Age 20–39 y (N = 4544) Model 1a −0.54 (0.08) <0.001 0.009 −1.28 (0.18) <0.001 0.001
Model 2b −0.46 (0.07) <0.001 0.005 −1.08 (0.17) <0.001 0.004
Model 3c −0.48 (0.07) <0.001 0.001 −1.13 (0.16) <0.001 0.002
Model 4d −0.43 (0.07) <0.001 A −1.01 (0.16) <0.001 A
Model 5e −0.36 (0.07) <0.001 A −0.83 (0.16) <0.001 A
Age 40–59 y (N = 4604) Model 1a −0.29 (0.08) 0.001 −0.74 (0.21) 0.001
Model 2b −0.21 (0.09) 0.020 −0.44 (0.21) 0.041
Model 3c −0.21 (0.08) 0.012 −0.39 (0.19) 0.048
Model 4d 0.94 (0.37) 0.014 −.66 (0.90) 0.005
−0.08 (0.03)f 0.005 −0.21 (0.07)f 0.003
Model 5e 1.49 (0.39) <0.001 3.87 (0.87) <0.001
−0.12 (0.03)f <0.001 −0.29 (0.07)f <0.001
Age 60+ y (N = 4594) Model 1a −0.25 (0.06) <0.001 −0.40 (0.18) 0.030
Model 2b −0.22 (0.06) 0.001 −0.42 (0.18) 0.023
Model 3c −0.22 (0.06) 0.000 −0.39 (0.17) 0.028
Model 4d −0.18 (0.06) 0.002 −0.28 (0.16) 0.084
Model 5e −0.11 (0.06) 0.059 −0.11 (0.17) 0.520
a

Adjusted for age.

b

Adjusted for age, gender, race or ethnicity, and education, employment status, and children aged ≤17 years in household.

c

Adjusted for variables in model 2 plus smoking status, leisure-time physical activity, and alcohol use.

d

Adjusted for variables in model 3 plus any prescription medication use, histories of diabetes, cardiovascular disease, chronic obstructive pulmonary disease, arthritis, thyroid disease, liver disease, and cancer.

e

Adjusted for variables in model 4 plus depression score, history of sleep disorder, and, if significant, a squared term for sleep duration.

f

Beta (SE) and P-value for squared term for sleep duration.