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Article

Methods to account for attrition in longitudinal data : Do they work ? A simulation study.

Vicki-L KRISTMAN ; Pierre COTE ; MANNO (Michael) : CAN. Samuel Lunenfeld Research Institute. Mount Sinai Hospital. Toronto. ON. |

Dans European journal of epidemiology (vol. 20, n° 8, 2005)

[BDSP. Notice produite par INIST-CNRS 0mqWR0xi. Diffusion soumise à autorisation]. Attrition threatens the internal validity of cohort studies. Epidemiologists use various imputation and weighting methods to limit bias due to attrition. However,[...]

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Article

Loss to follow-up in cohort studies : how much is too much ?

Vicki KRISTMAN ; Pierre COTE ; MANNO (Michael) : CAN. Samuel Lunenfeld Research Institute. Mount Sinai Hospital. Toronto. ON. ; Institute for Work & Health. Mount Sinai Hospital. Toronto. ON. CAN |

Dans European journal of epidemiology (vol. 19, n° 8, 2004)

[BDSP. Notice produite par INIST-CNRS zS5qR0xa. Diffusion soumise à autorisation]. Loss to follow-up is problematic in most cohort studies and often leads to bias. Although guidelines suggest acceptable follow-up rates, the authors are unaware o[...]

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