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Scientific Writing for MCH Epidemiologists. Jody W. Zylke, MD Senior Editor JAMA. Writing the Scientific Paper. Introduction Methods Results Discussion Abstract Title. Purpose of an Abstract. To provide a short but accurate overview of the study. Importance of Abstract.
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Scientific Writing for MCH Epidemiologists Jody W. Zylke, MD Senior Editor JAMA
Writing the Scientific Paper • Introduction • Methods • Results • Discussion • Abstract • Title
Purpose of an Abstract • To provide a short but accurate overview of the study
Importance of Abstract • Important for 3 reasons • May persuade someone to read the whole article • Allow busy readers to learn main points without reading the whole article • Captured in computerized databases
Goals of Abstract • Make sense when read alone • Convey main results • Shouldn’t contain anything not in paper • Follow journal guidelines for structure and length
Structure of Abstract • Context • Objective • Design, setting, participants • Main outcome measure • Intervention • Results • Comment
Dataless Abstract • Results: Compared with children who showed high self-regulation in both behavioral protocols at ages 3 and 5 years, children who exhibited a compromised ability to self-regulate had the highest BMI z scores at each point and the most rapid gains in BMI z scores over the 9-year period. Effects of pubertal status were also noted for girls.
Context, objective, design, setting, participants, main outcome measures, results, conclusion Background, methods, results, conclusions Objective, methods, results, conclusions Background, methods, findings, interpretation Unstructured Pediatrics Lancet New England Journal of Medicine JAMA American Journal of Epidemiology Match the Journal
Purpose of Title • Captures reader’s attention • Used to index article • Represents article in reference lists
Structure of Title • Types—declarative, questions, catchy • Subtitles • Independent variable, dependent variable, study population: Effect of x on y in z
Titles in September Pediatrics--Examples 1. Health behaviors and infant health outcomes in homeless pregnant women in the United States
2. Suicidal behavior differs among early and late adolescents treated with antidepressant agents
2. Gives away the conclusion of the study. Better: Suicidal behavior among early and late adolescents treated with antidepressants
3. Fasting might not be necessary before lipid screening: a nationally representative cross-sectional study
3. The title contains the implications of the study. Better: Relationship between length of fast and lipid screening levels in children
4. Relationship of maternal snuff use and cigarette smoking with neonatal apnea
5. Parent involvement in pain management for NICU infants: a randomized controlled trial
6. Sleep disorders in children: a national assessment of primary care pediatrician practices and perceptions
6. Title tells little about study and subtitle is too long. Better: Pediatricians’ perceptions and practices for sleep disorders in children
7. Premasticating food for weaning African infants: a possible vehicle for transmission of HIV
7. Subtitle is study background, and not clear what aspect of premastication was looked at. Better: Characteristics of premastication practices for weaning infants in South Africa
8. Use of models to identify cost-effective interventions: pertussis-vaccination for pediatric health care workers
8. Title tells little about study; main title is really subtitle. Better: Cost-effectiveness of pertussis vaccination for NICU workers