Results

Mixed Model

Model Info
Info 
EstimateLinear mixed model fit by REML
Callpeak_force ~ 1 + supplement + exercise + supplement:exercise+( 1 | subj )
AIC2047.543
BIC2080.266
LogLikel.-1011.291
R-squared Marginal0.961
R-squared Conditional0.963
Convergedyes
Optimizerbobyqa

 

Model Results

Fixed Effect Omnibus tests
 FNum dfDen dfp
supplement1554.5023273.000< .001
exercise3244.4981273.000< .001
supplement ✻ exercise104.9913273.000< .001
Note. Satterthwaite method for degrees of freedom

 

Fixed Effects Parameter Estimates
95% Confidence Interval
NamesEffectEstimateSELowerUpperdftp
(Intercept)(Intercept)83.4780.38282.72984.22739.000218.394< .001
supplement1linear40.8100.63639.56342.057273.00064.145< .001
supplement2quadratic6.6720.6365.4257.919273.00010.487< .001
supplement3cubic-13.3280.636-14.575-12.081273.000-20.948< .001
exercise12 - ( 1, 2 )18.1190.31817.49618.743273.00056.960< .001
supplement1 ✻ exercise1linear ✻ 2 - ( 1, 2 )10.2040.6368.95711.451273.00016.039< .001
supplement2 ✻ exercise1quadratic ✻ 2 - ( 1, 2 )0.7260.636-0.5211.973273.0001.1410.255
supplement3 ✻ exercise1cubic ✻ 2 - ( 1, 2 )-4.7790.636-6.026-3.532273.000-7.512< .001

 

Random Components
GroupsNameSDVarianceICC
subj(Intercept)1.3401.7960.053
Residual 5.69132.382 
Note. Number of Obs: 320 , groups: subj 40

 

Contrast Coefficients

supplement
NameContrastlevel=nolevel=placebolevel=low_doselevel=high_dose
supplement1linear-0.671-0.2240.2240.671
supplement2quadratic0.5-0.5-0.50.5
supplement3cubic-0.2240.671-0.6710.224
Note. Intercept computed for sample mean

 

exercise
NameContrastlevel=1level=2
exercise12 - ( 1, 2 )-11
Note. Intercept computed for sample mean

 

Post Hoc Tests

Post Hoc Comparisons - supplement
Comparison
supplement supplementDifferenceSEtdfpbonferroni
low_dose-high_dose-13.0020.900-14.451273.000< .001
no-high_dose-48.7920.900-54.229273.000< .001
no-low_dose-35.7900.900-39.778273.000< .001
no-placebo0.3420.9000.380273.0001.000
placebo-high_dose-49.1340.900-54.609273.000< .001
placebo-low_dose-36.1320.900-40.158273.000< .001

 

Post Hoc Comparisons - supplement ✻ exercise
Comparison
supplementexercise supplementexerciseDifferenceSEtdfpbonferroni
high_dose1-high_dose2-48.5181.272-38.130273.000< .001
high_dose1-low_dose2-34.5011.272-27.114273.000< .001
high_dose1-no211.8271.2729.295273.000< .001
high_dose1-placebo212.6061.2729.907273.000< .001
low_dose1-high_dose1-11.9871.272-9.421273.000< .001
low_dose1-high_dose2-60.5061.272-47.551273.000< .001
low_dose1-low_dose2-46.4881.272-36.535273.000< .001
low_dose1-no2-0.1601.272-0.126273.0001.000
low_dose1-placebo20.6191.2720.486273.0001.000
low_dose2-high_dose2-14.0171.272-11.016273.000< .001
no1-high_dose1-37.2391.272-29.266273.000< .001
no1-high_dose2-85.7571.272-67.396273.000< .001
no1-low_dose1-25.2511.272-19.845273.000< .001
no1-low_dose2-71.7401.272-56.380273.000< .001
no1-no2-25.4111.272-19.971273.000< .001
no1-placebo1-0.0951.272-0.074273.0001.000
no1-placebo2-24.6331.272-19.359273.000< .001
no2-high_dose2-60.3461.272-47.425273.000< .001
no2-low_dose2-46.3281.272-36.409273.000< .001
no2-placebo20.7791.2720.612273.0001.000
placebo1-high_dose1-37.1441.272-29.191273.000< .001
placebo1-high_dose2-85.6621.272-67.321273.000< .001
placebo1-low_dose1-25.1571.272-19.770273.000< .001
placebo1-low_dose2-71.6451.272-56.305273.000< .001
placebo1-no2-25.3171.272-19.896273.000< .001
placebo1-placebo2-24.5381.272-19.284273.000< .001
placebo2-high_dose2-61.1241.272-48.037273.000< .001
placebo2-low_dose2-47.1071.272-37.021273.000< .001

 

Simple Effects

Simple effects of supplement : Omnibus Tests
Moderator levels
exerciseFNum dfDen dfp
1430.3463.000273.000< .001
21229.1033.000273.000< .001

 

Simple effects of supplement : Parameter estimates
Moderator levels95% Confidence Interval
exercisecontrastEstimateSELowerUpperdftp
1linear30.6060.90028.83532.377273.00034.016< .001
 quadratic5.9460.9004.1757.718273.0006.609< .001
 cubic-8.5490.900-10.320-6.777273.000-9.501< .001
2linear51.0150.90049.24352.786273.00056.698< .001
 quadratic7.3980.9005.6279.169273.0008.222< .001
 cubic-18.1070.900-19.878-16.335273.000-20.124< .001

 

Estimated Marginal Means

supplement
95% Confidence Interval
supplementMeanSEdfLowerUpper
no62.4180.671228.51161.09763.739
placebo62.0760.671228.51160.75563.397
low_dose98.2080.671228.51196.88799.529
high_dose111.2100.671228.511109.889112.532
Note. Estimated means are estimated averaging across interacting variables

 

exercise
95% Confidence Interval
exerciseMeanSEdfLowerUpper
165.3580.497104.56764.37266.345
2101.5970.497104.567100.611102.584
Note. Estimated means are estimated averaging across interacting variables

 

exercise:supplement
95% Confidence Interval
exercisesupplementMeanSEdfLowerUpper
1no49.7120.924306.08147.89351.531
2no75.1240.924306.08173.30576.943
1placebo49.8070.924306.08147.98851.626
2placebo74.3450.924306.08172.52676.164
1low_dose74.9640.924306.08173.14576.783
2low_dose121.4520.924306.081119.633123.271
1high_dose86.9510.924306.08185.13288.770
2high_dose135.4690.924306.081133.650137.288

 

Effects Plots