Table 3.

Continuous associations with body mass index per 1 standard deviation increase in rest–activity parameters (n = 578).

Exposures	Beta coefficient (95% confidence interval); p value
	Model 0	Model 1	Model 2	Model 3	Model 4
Mesor	0.08 (−0.47, 0.63); p = .78	0.08 (−0.47, 0.64); p = .77	−0.06 (−0.59, 0.48); p = .84	−0.61 (−1.23, 0.01); p = .05	−0.04 (−0.80, 0.72); p = .92
Magnitude	−1.00 (−1.53, −0.46); p = .0003	−1 (−1.55, −0.46); p = .0003	−0.51 (−1.07, 0.05); p = .07	−0.35 (−0.92, 0.21); p = .22	−0.58 (−1.22, 0.07); p = .08
Acrophase	−0.40 (−0.89, 0.09); p = .11	−0.47 (−0.98, 0.05); p = .08	−0.50 (−1.00, −0.01); p = .05	−0.42 (−0.92, 0.08); p = .10	−0.53 (−1.07, 0.01); p = .05
Amplitude	−0.87 (−1.31, −0.43); p = .0001	−0.92 (−1.37, −0.46); P<.0001	−0.66 (−1.11, −0.21); p = .004	−0.73 (−1.18, −0.28); p = .002	−1.56 (−2.35, −0.77); p = .0001
Relative amplitude	−1.40 (−1.89, −0.92); p<.0001	−1.41 (−1.91, −0.92); p<.0001	−0.92 (−1.44, −0.40); p = .001	−0.73 (−1.33, −0.13); p = .02	−0.85 (−1.42, −0.28); p = .003
Interdaily stability	0.05 (−0.44, 0.53); p = .85	0.14 (−0.37, 0.66); p = .58	0.27 (−0.24, 0.77); p = .30	0.41 (−0.09, 0.92); p = .11	0.23 (−0.30, 0.77); p = .40
Intradaily variability	−0.28 (−0.78, 0.21); p = .26	−0.26 (−0.77, 0.24); p = .30	−0.17 (−0.66, 0.33); p = .51	−0.24 (−0.73, 0.25); p = .34	−0.38 (−0.93, 0.17); p = .18
L5 midpoint	−0.29 (−0.66, 0.08) p = .13	−0.31 (−0.7, 0.08) p = .12	−0.37 (−0.74, 0.00) p = .05	−0.30 (−0.67, 0.07) p = .12	−0.46 (−0.87, −0.05) p = .03
M10 midpoint	−0.20 (−0.70, 0.29); p = .42	−0.27 (−0.81, 0.26); p = .32	−0.24 (−0.76, 0.27); p = .36	−0.16 (−0.68, 0.36); p = .55	−0.29 (−0.86, 0.28); p = .32

(Model 0) Unadjusted. (Model 1) Adjusted for age, sex and study of origin. (Model 2) Model 1 + race and education. (Model 3) Model 2 + total sleep time. (Model 4) Model 2 + total activity counts.