… This study applied two types of additive hazard regression models: the semiparametric and
… additive hazards regression models and a Cox proportional hazard model to the analysis of …

… ordinary (multiplicative) Poisson regression model. Second, we built an additive Poisson
regression with non-negative parameters using a stepwise modeling selection algorithm. Third, …

… Sub-Saharan Africa has high dual burden of human papillomavirus (HPV) and HIV infection
[2,3] . HIV is associated with higher rates of HPV acquisition, decreased clearance of HPV …

… We used Poisson regression to estimate crude and adjusted excess hazard … to an additive
hazards model with a baseline hazard based on the general population and an excess hazard …

… In the largest population-based study of HPV genotypes and cytologic outcomes so far, we
did not see more than additive effects of HPV types on the risk of HSIL in women infected with …

… curve fitting and a weighted generalized additive model (GAM) to assess if … regression
analysis, we also used two-piecewise linear regression and to observe whether the two models …

… In addition, we used additive model and generalized multifactor dimensionality reduction
model to further evaluate the effects of PAHs exposure combined with HR-HPV infection on …

… human papillomavirus (HPV) are both distinct risk factors for head and neck cancer, but the
nature of interaction between these 2 risk … have found an additive or synergistic interaction …

… Human papillomavirus (HPV) infection causes essentially all cervical cancers and is etiologically
related to a subset of cancers of the anus, oropharynx, penis, vagina, and vulva ( 1 , 2 ). …

… of persistent HR-HPV infection, interaction tests were performed on additive scale in the
model for viral load and drinkers or other variables related to alcohol consumption. The relative …