• Publications
  • Influence
Robust causal inference using directed acyclic graphs: the R package 'dagitty'.
We introduce the R package 'dagitty', which provides access to all of the capabilities of the DAGitty web application within the R platform for statistical computing, and also offers several new functions. Expand
  • 310
  • 14
  • PDF
A critical evaluation of statistical approaches to examining the role of growth trajectories in the developmental origins of health and disease.
The developmental origins of health and disease hypothesis suggests that small birth size in conjunction with rapid compensatory childhood growth might yield a greater risk of developing chronicExpand
  • 87
  • 9
  • PDF
Morbidity following dental treatment of children under intubation general anaesthesia in a day-stay unit.
OBJECTIVES: To determine which variables were best related to the overall morbidity of a child undergoing dental general anaesthetic (GA) and then to use these variables to determine those factorsExpand
  • 58
  • 8
Problems of correlations between explanatory variables in multiple regression analyses in the dental literature
Multivariable analysis is a useful tool for dental research, though only if its users thoroughly understand the assumptions and limitations of these methods. Expand
  • 152
  • 8
Associations between tooth loss and mortality patterns in the Glasgow Alumni Cohort
Objective: To use data from the Glasgow Alumni Cohort to investigate whether oral health in young adulthood is independently associated with later life cardiovascular disease (CVD) and cancerExpand
  • 107
  • 7
Comparison of clinical outcome of periapical surgery in endodontic and oral surgery units of a teaching dental hospital: a retrospective study.
OBJECTIVES The aims of this retrospective study were (1) to compare the outcome of periapical surgery performed in endodontic and in oral surgery units of a teaching dental hospital and (2) toExpand
  • 113
  • 7
Simpson's Paradox, Lord's Paradox, and Suppression Effects are the same phenomenon – the reversal paradox
This article discusses three statistical paradoxes that pervade epidemiological research: Simpson's paradox, Lord's Paradox, and suppression. Expand
  • 173
  • 6
  • PDF
Why evidence for the fetal origins of adult disease might be a statistical artifact: the "reversal paradox" for the relation between birth weight and blood pressure in later life.
Some researchers have recently questioned the validity of associations between birth weight and health in later life. They argue that these associations might be due in part to inappropriateExpand
  • 255
  • 5
  • PDF
Are orthognathic patients different?
This questionnaire-based study investigated the psychological profile of orthognathic patients prior to starting treatment and compared the findings with a control group of non-patients. ComparisonExpand
  • 55
  • 5
  • PDF
Epidemiology of functional dyspepsia and subgroups in the Italian general population: an endoscopic study.
BACKGROUND & AIMS Population-based endoscopic studies are needed to assess the epidemiology of functional dyspepsia (FD) and the newly suggested subgroups of meal-related symptoms and epigastricExpand
  • 102
  • 4