Factors relating to eating style, social desirability, body image and eating meals at home increase the precision of calibration equations correcting self-report measures of diet using recovery biomarkers: findings from the Women’s Health Initiative

Table 2 Regression of log(self-report) minus log(biomarker) on predictors in NPAAS (n = 450) for energy

	Food frequency questionnaire		4-day food record		24-hour dietary recall
Variable	β	SE	β	SE	β	SE
Intercept	-0.5811	0.303	-0.2765	0.183	-0.1826	0.208
BMI	-0.0038	0.004	-0.0113*	0.003	-0.016*	0.003
Age	0.0072*	0.004	0.0064*	0.002	0.0062*	0.003
Black	-0.2532*	0.06	-0.0473	0.036	-0.0487	0.041
Hispanic	-0.1789*	0.064	-0.0042	0.039	-0.0277	0.044
Other	-0.2183	0.117	-0.0536	0.07	-0.1028	0.08
Meals at home-M	0.0855	0.051	-0.0304	0.031	-0.0102	0.035
Meals at home-H	0.1814*	0.053	-0.0121	0.032	0.0185	0.036
Body Image-M	0.009	0.062	0.0277	0.038	0.0286	0.043
Body Image-H	-0.0808	0.102	-7.00E-04	0.061	0.0442	0.07
TFEQ-R18
Restraint-M	-0.0806	0.048	-0.0264	0.029	-0.0299	0.033
Restraint-H	-0.0159	0.058	-0.0371	0.035	0.0155	0.04
Unc. Eat-M	-0.0991	0.054	-0.0234	0.033	-0.0043	0.037
Unc. Eat-H	-0.0831	0.063	-0.0248	0.038	-0.0127	0.043
Emo. Eat-M	-0.0154	0.054	-0.0338	0.033	-0.0423	0.037
Emo. Eat-H	0.0658	0.074	0.0332	0.044	-0.0116	0.051
Soc. Des-M	-0.0584	0.05	-0.0431	0.03	-0.0548	0.034
Soc. Des-H-	-0.1744*	0.054	-0.043	0.032	-0.0549	0.037

ISSN: 1475-2891