Sample Size N = 1196

Model Fit Summary

aBIC LRT.p LMR.p BLRT.p Entropy
LCA_2 20519.43 0 0 0 0.603
LCA_3 20237.34 0 0 0 0.702
LCA_4 20165.71 0.0232 0.0254 0 0.666
LCA_5 20128.64 0.0186 0.0205 0 0.657
  • LMR.p = p value for VUONG-LO-MENDELL-RUBIN LIKELIHOOD RATIO TEST
  • LRT.p = p value for LO-MENDELL-RUBIN ADJUSTED LRT TEST
  • BLRT.p = p value for BOOTSTRAPPED LIKELIHOOD RATIO TEST
  • aBIC = Sample-Size Adjusted BIC

Class Counts

class count proportion
LCA 2
1 694 0.58027
2 502 0.41973
LCA 3
1 67 0.05602
2 637 0.53261
3 492 0.41137
LCA 4
1 65 0.05435
2 531 0.44398
3 438 0.36622
4 162 0.13545
LCA 5
1 68 0.05686
2 388 0.32441
3 103 0.08612
4 521 0.43562
5 116 0.09699

Plots of estimates of Activity Engagement and Pain Willingness per class membership

  • AE = Activity Engagement
  • PW = Pain Willingness
  • VIs = Values Inventory Success Score (higher score = more success)
  • VIi = Values Inventory Importance Score (higher score = more importance)

Distal Outcomes Analysis

Visualizations of Mean % Dysfunction for SIP (Subscales and Domains)

Omnibus Tests

var m.1 se.1 m.2 se.2 m.3 se.3 chisq df p
SIP-Ambulation 0.467 0.051 0.485 0.020 0.253 0.021 53.751 2 0
SIP-Alertness Behavior 0.343 0.047 0.389 0.020 0.094 0.015 124.875 2 0
SIP-Body Care Movement 0.248 0.035 0.297 0.016 0.120 0.012 62.825 2 0
BCMDI-Depression 36.081 2.185 38.542 0.755 17.942 0.792 314.976 2 0
SIP-Communicaiton 0.103 0.024 0.150 0.012 0.046 0.009 41.955 2 0
SIP-Physical 0.288 0.031 0.341 0.013 0.131 0.011 123.936 2 0
SIP-Psychosocial 0.283 0.028 0.357 0.013 0.123 0.010 186.142 2 0
SIP-Emotion Behavior 0.392 0.046 0.489 0.018 0.195 0.015 131.293 2 0
SIP-Mobility 0.202 0.037 0.288 0.014 0.041 0.010 188.927 2 0
PAIN-Current 6.497 0.333 7.316 0.164 6.140 0.120 26.03 2 0
PAIN-Highest 7.875 0.298 8.865 0.066 7.865 0.098 59.916 2 0
PAIN-Lowest 5.023 0.339 5.612 0.113 4.370 0.129 41.126 2 0
PAIN-Usual 7.281 0.301 7.737 0.078 6.706 0.104 49.498 2 0
PASS-Cognitive 13.144 0.872 13.973 0.292 7.608 0.328 179.377 2 0
PASS-Experential Avoidance 13.698 0.939 13.569 0.280 8.123 0.322 141.919 2 0
PASS-FEAR 12.995 0.859 14.403 0.293 7.657 0.342 188.739 2 0
PASS-Physiological 15.747 0.888 16.253 0.293 9.174 0.344 212.794 2 0
PASS-Total 55.585 3.327 58.193 1.077 32.384 1.229 215.987 2 0
SIP-Social Interaction 0.285 0.040 0.387 0.015 0.150 0.013 122.517 2 0

Pairwise Comparisons

var classA classB chisq df p
BCMDI-Depression 1 2 1.060 NA 0.303
BCMDI-Depression 1 3 60.498 NA 0.000
BCMDI-Depression 2 3 296.482 NA 0.000
SIP-Physical 1 2 2.285 NA 0.131
SIP-Physical 1 3 22.797 NA 0.000
SIP-Physical 2 3 116.819 NA 0.000
SIP-Psychosocial 1 2 5.325 NA 0.021
SIP-Psychosocial 1 3 28.161 NA 0.000
SIP-Psychosocial 2 3 176.705 NA 0.000
SIP-Emotional Behavior 1 2 3.657 NA 0.056
SIP-Emotional Behavior 1 3 16.717 NA 0.000
SIP-Emotional Behavior 2 3 126.291 NA 0.000
SIP-Body Care Movement 1 2 1.546 NA 0.214
SIP-Body Care Movement 1 3 11.976 NA 0.001
SIP-Body Care Movement 2 3 58.559 NA 0.000
SIP-Mobility 1 2 4.588 NA 0.032
SIP-Mobility 1 3 17.823 NA 0.000
SIP-Mobility 2 3 181.325 NA 0.000
SIP-Social Interaction 1 2 5.371 NA 0.020
SIP-Social Interaction 1 3 10.098 NA 0.001
SIP-Social Interaction 2 3 120.349 NA 0.000
SIP-Ambulation 1 2 0.099 NA 0.752
SIP-Ambulation 1 3 14.902 NA 0.000
SIP-Ambulation 2 3 49.140 NA 0.000
SIP-Alertness Behavior 1 2 0.781 NA 0.377
SIP-Alertness Behavior 1 3 25.885 NA 0.000
SIP-Alertness Behavior 2 3 112.334 NA 0.000
SIP-Communication 1 2 3.006 NA 0.083
SIP-Communication 1 3 4.956 NA 0.026
SIP-Communication 2 3 40.901 NA 0.000
PASS-Cognitive 1 2 0.764 NA 0.382
PASS-Cognitive 1 3 35.113 NA 0.000
PASS-Cognitive 2 3 170.366 NA 0.000
PASS-Experential Avoidance 1 2 0.016 NA 0.898
PASS-Experential Avoidance 1 3 31.313 NA 0.000
PASS-Experential Avoidance 2 3 131.110 NA 0.000
PASS-FEAR 1 2 2.268 NA 0.132
PASS-FEAR 1 3 33.189 NA 0.000
PASS-FEAR 2 3 182.813 NA 0.000
PASS-Physiological 1 2 0.275 NA 0.600
PASS-Physiological 1 3 47.277 NA 0.000
PASS-Physiological 2 3 200.153 NA 0.000
PASS-Total 1 2 0.522 NA 0.470
PASS-Total 1 3 42.509 NA 0.000
PASS-Total 2 3 204.406 NA 0.000
PAIN-Current 1 2 4.552 NA 0.033
PAIN-Current 1 3 1.012 NA 0.314
PAIN-Current 2 3 26.029 NA 0.000
PAIN-Usual 1 2 2.016 NA 0.156
PAIN-Usual 1 3 3.221 NA 0.073
PAIN-Usual 2 3 49.444 NA 0.000
PAIN-Lowest 1 2 2.543 NA 0.111
PAIN-Lowest 1 3 3.224 NA 0.073
PAIN-Lowest 2 3 41.058 NA 0.000
PAIN-Highest 1 2 9.948 NA 0.002
PAIN-Highest 1 3 0.001 NA 0.975
PAIN-Highest 2 3 57.285 NA 0.000