Research Topics
| Danella M HafemanSummaryAffiliation: Columbia University Country: USA Publications
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Detail Information
Publications
"Proportion explained": a causal interpretation for standard measures of indirect effect?Danella M Hafeman
Western Psychiatric Institute and Clinic, 3811 O Hara Street, Pittsburgh, PA 15213, USA
Am J Epidemiol 170:1443-8. 2009..In contrast, if valid quantification of the indirect effect is desired, counterfactual-based methods should be used...
Association between manganese exposure through drinking water and infant mortality in BangladeshDanella Hafeman
Mailman School of Public Health, Columbia University, New York, New York 10032, USA
Environ Health Perspect 115:1107-12. 2007..In this cross-sectional study we assessed the association between water manganese and all-cause infant mortality in the offspring of female participants in the Health Effects of Arsenic Longitudinal Study Cohort...
Assessing mediation: the necessity of theoretical considerationsDanella Hafeman
Columbia University, New York, NY, USA
Prev Med 46:610-1. 2008
A sufficient cause based approach to the assessment of mediationDanella M Hafeman
Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
Eur J Epidemiol 23:711-21. 2008..In conclusion, an MSC-based approach leads to several important insights concerning the interpretation of indirect and direct effects, as well as the potential sources of bias in mediation analysis...
Alternative assumptions for the identification of direct and indirect effectsDanella M Hafeman
Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
Epidemiology 22:753-64. 2011..This approach yields an alternative, and sometimes less stringent, set of assumptions for the identification of direct and indirect effects than those previously proposed...
Confounding of indirect effects: a sensitivity analysis exploring the range of bias due to a cause common to both the mediator and the outcomeDanella M Hafeman
Western Psychiatric Institute and Clinic, 3811 O Hara Street, Pittsburgh, PA 15213, USA
Am J Epidemiol 174:710-7. 2011..These disparate results demonstrate the utility of the current sensitivity analysis when assessing mediation...
Opening the Black Box: a motivation for the assessment of mediationDanella M Hafeman
Department of Epidemiology, Mailman School of Public Health, Columbia University, USA
Int J Epidemiol 38:838-45. 2009..We then describe the connections between these reasons and specific measures of indirect and direct effects that have been previously described...
Association between arsenic exposure and a measure of subclinical sensory neuropathy in BangladeshDanella M Hafeman
Mailman School of Public Health, Columbia University, New York, NY 10032, USA
J Occup Environ Med 47:778-84. 2005..02 and P = 0.009, respectively) after adjustment for age and gender. CONCLUSIONS: Increased arsenic exposure, as measured by both cumulative and urinary measures, was associated with evidence of subclinical sensory neuropathy...
