Table 2.
Attenuation factors for stratified models in men (N = 200) from the Observing Protein and Energy Nutrition Study, Washington, DC, Metro Area, 1999–2000.
| Attenuation factor (SE) (λXW) | Strata | Lower cutoff(aL) | Upper cutoff(aL) | Lower cutoff (standardized) (a*L) | Upper cutoff (standardized) (a*U) | θ | η | Ratio | λXW|Gε A predicted | λXW|Gε A stratified (SE) |
|---|---|---|---|---|---|---|---|---|---|---|
| Absolute protein | ||||||||||
| 0.168 (0.040) | AR | 0.095 | 0.784 | 0.120 | 2.042 | 0.802 | −0.125 | 2.21 | 0.371 | 0.381 (0.076) |
| UR | −∞ | 0.095 | −∞ | 0.120 | −0.723 | −0.086 | 1.80 | 0.302 | 0.288 (0.063) | |
| Protein density | ||||||||||
| 0.341 (0.070) | AR | 0.095 | 0.784 | 0.120 | 2.042 | 0.802 | −0.125 | 1.00 | 0.341 | 0.268 (0.103) |
| UR | −∞ | 0.095 | −∞ | 0.120 | −0.723 | −0.086 | 1.00 | 0.341 | 0.407 (0.096) |
AR, acceptable reporters; UR, underreporters; for definitions of θ and η see Appendix.