Table 2.
Item factor loadings, residual variances, and heritability estimates (95% Confidence Intervals)
| Item | Factor Loading | Residual Variance | Total Heritability | Total Common Environment | Total Unique Environment | ||
|---|---|---|---|---|---|---|---|
| A | C | E | |||||
| 1 | .76 | .46 | .00 | .54 | .34 (.08–.50) | .07 (.00–.28) | .59 (.46–.70) |
| 2 | .43 | .35 | .00 | .65 | .33 (.16–.45) | .02 (.00–.11) | .65 (.50–.79) |
| 3 | −.05* | .31 | .00 | .69 | .31 (.00–.49) | .00 (.00–.18) | .69 (.50–1.0) |
| 4 | .93 | .39 | .19 | .42 | .27 (.00–.52) | .13 (.00–.42) | .60 (.46–.84) |
| 5 | .93 | .00 | .00 | 1.00 | .23 (.00–.48) | .10 (.00–.43) | .67 (.51–.84) |
| 6 | .85 | .00 | .00 | 1.00 | .18 (.00–.36) | .08 (.00–.32) | .73 (.61–.87) |
| 7 | .84 | .38 | .00 | .62 | .29 (.00–.52) | .08 (.00–.36) | .62 (.46–.82) |
| 8 | .58 | .00 | .00 | 1.00 | .09 (.00–.35) | .04 (.00–.18) | .87 (.62–.93) |
| 9 | .53 | .115 | .135 | .75 | .16 (.00–.50) | .13 (.00–.41) | .71 (.41–.95) |
*
Note: scores of 0, 1, or 2 on the polychotomized BMI variable indicate that participants met criteria for underweight (≤ 18.5).