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 4 Regression of log(self-report) minus log(biomarker) on predictors in NPAAS (n = 450) for protein density

	Food frequency questionnaire		4-day food record		24-hour dietary recall
Variable	β	SE	β	SE	β	SE
Intercept	-0.0298	0.237	0.0944	0.218	-0.3049	0.228
BMI	0.0063	0.003	0.0047	0.003	0.0037	0.003
Age	0.0013	0.003	-3.00E-04	0.003	0.0045	0.003
Black	0.0679	0.047	0.1307*	0.043	0.152*	0.045
Hispanic	0.1103*	0.05	0.0544	0.046	0.0932	0.048
Other	0.0832	0.09	-0.0123	0.083	0.1105	0.086
Meals at home-M	-0.0474	0.04	-0.0347	0.036	-0.0198	0.038
Meals at home-H	-0.0316	0.041	-0.013	0.037	-0.0064	0.039
Body Image-M	-0.0339	0.048	-0.0656	0.044	-0.0079	0.046
Body Image-H	-0.118	0.079	-0.1035	0.073	-0.0346	0.076
TFEQ-R18
Restraint-M	0.038	0.037	0.0318	0.034	0.0271	0.036
Restraint-H	0.0076	0.046	0.0023	0.042	-0.0472	0.044
Unc. Eat-M	0.0086	0.042	0.0511	0.039	0.0296	0.041
Unc. Eat-H	0.0366	0.049	0.0311	0.045	0.0745	0.047
Emo. Eat-M	-0.0412	0.043	-0.0473	0.039	-0.0481	0.041
Emo. Eat-H	-0.057	0.057	-0.0013	0.053	-0.0232	0.055
Soc. Des-M	0.0365	0.039	0.053	0.036	0.0334	0.037
Soc. Des-H-	0.0146	0.042	-0.0154	0.038	-0.0254	0.04

ISSN: 1475-2891