Table 1.
Results from linear mixed models predicting level of LOC-eating from (a) heart rate (b) root mean square of successive differences (RMSSD), controlling for posture category
| (a) | ||||
|---|---|---|---|---|
| Estimate | Standard Error | t Statistic | significance | |
| Intercept | −0.487 | 0.424 | −1.149 | 0.253 |
| Heart rate | 0.019 | 0.004 | 4.608 | <0.001 |
| Posture | ||||
| missing* | 1.037 | 0.216 | 4.807 | <0.001 |
| walking | 0.140 | 0.225 | 0.620 | 0.536 |
| standing still | 0.913 | 0.247 | 3.699 | <0.001 |
| sitting | 0.437 | 0.181 | 2.409 | 0.017 |
| reclining | reference | - | - | - |
| (b) | ||||
|---|---|---|---|---|
| Estimate | Standard Error | t Statistic | significance | |
| Intercept | 1.679 | 0.251 | 6.693 | <0.001 |
| RMSSD | −0.009 | 0.002 | −4.860 | <0.001 |
| Posture | ||||
| missing* | 1.137 | 0.214 | 5.315 | <0.001 |
| walking | 0.112 | 0.224 | 0.499 | 0.618 |
| standing still | 0.852 | 0.246 | 3.471 | 0.001 |
| sitting | 0.434 | 0.180 | 2.412 | 0.017 |
| reclining | reference | - | - | - |
*
Posture rating was coded “missing” for eating episodes that did not have a valid “before meal” recording and results did not differ when these episodes (k = 13) were excluded