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. 2021 Dec 1;9(12):e27208. doi: 10.2196/27208

Table 6.

Unstandardized coefficients from multilevel effects of daily steps on lagged (next-day) mood (N=75)a.

Outcome Model 1b: next-day mood Model 2c: next-day mood Model 3d: next-day mood

β SE P value β SE P value β SE P value
Intercept 1.89 1.42 .19 1.99 1.43 .17 1.90 1.42 .19
Prior-day steps .04 0.02 .01 –.08 0.06 .14 –.005 0.01 .97
Prior-day mood .30 0.03 <.001 .30 0.03 <.001 .30 0.03 <.001
Age (years) .04 0.02 .05 .04 0.02 .05 .04 0.02 .06
Sex –.42 0.30 .17 –.44 0.30 .15 –.42 0.30 .17
Condition –.44 0.27 .11 –.44 0.28 .12 –.44 0.28 .11
Education .03 0.05 .58 .03 0.05 .61 .03 0.05 .58
Health .02 0.01 .04 .02 0.01 .04 .02 0.01 .04
Average steps –.05 0.06 .38 –.06 0.06 .37 –.05 0.06 .38
Prior-day steps×sex e .08 0.03 .02 e
Prior-day steps×age e e .0007 0.002 .71

aDaily steps were rescaled by dividing the number of steps by 1000; therefore, the β value reflects change in mood per 1000-step increase.

bModel 1: level 1 variance=1.20 (SD 1.10); level 2 variance=1.48 (SD 1.22). Akaike information criterion=4042.8; Bayesian information criterion=4098.7; log likelihood=–2010.4.

cModel 2: level 1 variance=1.22 (SD 1.10); level 2 variance=1.47 (SD 1.21). Akaike information criterion=4039.5; Bayesian information criterion=4100.4; log likelihood=–2007.7.

dModel 3: level 1 variance=1.20 (SD 1.10); level 2 variance=1.48 (SD 1.22). Akaike information criterion=4044.7; Bayesian information criterion=4105.6; log likelihood=–2010.3.

eOutcome was not included in the model.