Table 4. Standardized parameter estimates from the final predictive models (Two and Four Year Lag).
| Two Year Lag | Time 1 → Time 3 | Time 3 → Time 5 | Time t → Time t+2 | |
|---|---|---|---|---|
| Predictors (t) | Outcomes (t +2) | ß (E.S.) | ß (S.E.) | ß (S.E.) |
| BMI | BMI | .843 (.025)* | .855 (.035)* | .880 (.035)* |
| PD (K-10) | .117 (.030) | .166 (.041)* | .116 (.031)* | |
| PHQoL (SF-12) | -.121 (.035)* | -.129 (.038)* | -.199 (.062)* | |
| MHQoL (SF-12) | -.094 (.031)* | -.093 (.031)* | -.083 (.028)* | |
| ED (EDEQ) | ED (EDE-Q) | .635 (.031)* | .709 (.026)* | .677 (.030)* |
| PD (K-10) | .136 (.028)* | .198 (.043)* | .155 (.036)* | |
| PHQoL (SF-12) | -.099 (.034)* | -.109 (.038)* | -.187 (.068)* | |
| MHQoL (SF-12) | -.147 (.032)* | -.148 (.033)* | -.149 (.036)* | |
| PD (K-10) | PD (K-10) | .403 (.038)* | .548 (.040)* | .402 (.034)* |
| BMI | .217 (.063)* | .210 (.064)* | .227 (.070)* | |
| ED (EDE-Q) | -.018 (.062) | -.019 (.064) | -.017 (.057) | |
| PHQoL (SF-12) | PHQoL (SF-12) | .392 (.050)* | .627 (.048)* | .611 (.062)* |
| BMI | .028 (.028) | .042 (.042) | .028 (.028) | |
| ED (EDE-Q) | -.117 (.025)* | -.191 (.039)* | -.103 (.024)* | |
| MHQoL (SF-12) | MHQoL (SF-12) | .457 (.041)* | .665 (.038)* | .704 (.052)* |
| BMI | .103 (.053) | .154 (.079) | .187 (.098) | |
| ED (EDE-Q) | -.058 (.047) | -.093 (.075) | -.094 (.076) | |
| Four Year Lag | Time 1 → Time 5 | Time 5 → Time 9 | Time t → Time t+4 | |
| Predictors (t) | Outcomes (t +4) | ß (E.S.) | ß (S.E.) | ß (S.E.) |
| BMI | BMI | .817 (.036)* | .832 (.035)* | .842 (.040)* |
| PD (K-10) | .067 (.036) | .081 (.043) | .061 (.033) | |
| PH (SF-12) | -.170 (.046)* | -.171 (.048)* | -.234 (.067)* | |
| MH (SF-12) | -.049 (.041) | -.043 (.036) | -.041 (.034) | |
| ED (EDE-Q) | ED (EDE-Q) | .575 (.032)* | .710 (.032)* | .616 (.032)* |
| PD (K-10) | .158 (.038)* | .197 (.048)* | .186 (.047)* | |
| PH (SF-12) | -.115 (.039)* | -.120 (.042)* | -.206 (.076)* | |
| MH (SF-12) | -.125 (.044)* | -.115 (.041)* | -.138 (.050)* | |
| PD (K-10) | PD (K-10) | .424 (.042)* | .488 (.043)* | .420 (.039)* |
| BMI | .067 (.078) | .066 (.077) | .076 (.088) | |
| ED (EDE-Q) | .146 (.065) | .167 (.075) | .132 (.060) | |
| PH (SF-12) | PH (SF-12) | .374 (.052)* | .543 (.056)* | .558 (.066)* |
| BMI | -.034 (.039) | -.050 (.057) | -.038 (.043) | |
| ED (EDE-Q) | -.132 (.028)* | -.227 (.048)* | -.118 (.028)* | |
| MH (SF-12) | MH (SF-12) | .496 (.045)* | .582 (.044)* | .680 (.056)* |
| BMI | .035 (.072) | .047 (.099) | .058 (.121) | |
| ED (EDEQ) | .132 (.054) | .208 (.088) | .175 (.075) | |
Note. BMI = Body Mass Index; ED (EDE-Q) = Eating Disorder pathology (Eating Disorder Examination Questionnaire); PD (K-10) = Psychological Distress (Kessler Psychological Distress Scale); PH (SF-12) = Physical Health-Related Quality of Life (Medical outcomes study short-form); MH (SF-12) = Mental Health-Related Quality of Life (Medical outcomes study short-form). The final model included invariant predictive paths, which explains why the non-standardized coefficients (b) are invariant across time periods. Conversely, the standardized coefficients (ß) are expressed in standard deviation units and are thus a function of the variances of latent constructs on which no constraints were imposed, and thus differ slightly across time periods.
* p <. 01.