Jonathan Snowden

Assistant Professor

  • 1594 Citations
  • 21 h-Index
20092020

Research output per year

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Research Output

2017 Articles of the Year, Reviewers of the Year, and Figure of the Year

Abrahamowicz, M., Bakian, A., D'Agostino, E., Dinno, A., Dunietz, G., Misra, D., Mumford, S., Neophytou, A., Savitz, D. & Snowden, J., Apr 1 2018, In : American journal of epidemiology. 187, 4, p. 637-638 2 p.

Research output: Contribution to journalEditorial

Open Access

A 'busy day' effect on perinatal complications of delivery on weekends: A retrospective cohort study

Snowden, J. M., Kozhimannil, K. B., Muoto, I., Caughey, A. B. & McConnell, K. J., Jan 1 2017, In : BMJ Quality and Safety. 26, 1, e1.

Research output: Contribution to journalArticle

14 Scopus citations

Applying causal diagrams in pediatrics to improve research, communication, and practice

Snowden, J. & Klebanoff, M. A., Oct 1 2018, In : Pediatric Research. 84, 4, p. 485-486 2 p.

Research output: Contribution to journalComment/debate

14 Scopus citations

Association between measured teamwork and medical errors: an observational study of prehospital care in the USA

Herzberg, S., Hansen, M., Schoonover, A., Skarica, B., Mcnulty, J., Harrod, T., Snowden, J. M., Lambert, W. & Guise, J. M., Oct 1 2019, In : BMJ open. 9, 10, e025314.

Research output: Contribution to journalArticle

Open Access
1 Scopus citations

Barriers to preexposure prophylaxis use among individuals with recently acquired HIV infection in Northern California

Marcus, J. L., Hurley, L. B., Dentoni-Lasofsky, D., Ellis, C. G., Silverberg, M. J., Slome, S., Snowden, J. M. & Volk, J. E., May 4 2019, In : AIDS Care - Psychological and Socio-Medical Aspects of AIDS/HIV. 31, 5, p. 536-544 9 p.

Research output: Contribution to journalArticle

10 Scopus citations

Causal inference in studies of preterm babies: a simulation study

Snowden, J. M. & Basso, O., May 2018, In : BJOG: An International Journal of Obstetrics and Gynaecology. 125, 6, p. 686-692 7 p.

Research output: Contribution to journalArticle

10 Scopus citations

Cesarean birth and maternal morbidity among Black women and White women after implementation of a blended payment policy

Snowden, J. M., Osmundson, S. S., Kaufman, M., Blauer Peterson, C. & Kozhimannil, K. B., 2020, (Accepted/In press) In : Health Services Research.

Research output: Contribution to journalArticle

Cesarean delivery rates and costs of childbirth in a state medicaid program after implementation of a blended payment policy

Kozhimannil, K. B., Graves, A. J., Ecklund, A. M., Shah, N., Aggarwal, R. & Snowden, J. M., Aug 1 2018, In : Medical care. 56, 8, p. 658-664 7 p.

Research output: Contribution to journalArticle

4 Scopus citations

Clinical risk assessment in early pregnancy for preeclampsia in nulliparous women: A population based cohort study

Sandström, A., Snowden, J. M., Höijer, J., Bottai, M. & Wikström, A. K., Nov 1 2019, In : PloS one. 14, 11, e0225716.

Research output: Contribution to journalArticle

Open Access

Clinicians' practice environment is associated with a higher likelihood of recommending cesarean deliveries

Cheng, Y. W., Snowden, J. M., Handler, S., Tager, I. B., Hubbard, A. & Caughey, A. B., Aug 2014, In : Journal of Maternal-Fetal and Neonatal Medicine. 27, 12, p. 1220-1227 8 p.

Research output: Contribution to journalArticle

15 Scopus citations

Community Levels of PrEP Use Among Men Who Have Sex with Men by Race/Ethnicity, San Francisco, 2017

Raymond, H. F., Snowden, J. M., Guigayoma, J., McFarland, W. & Chen, Y. H., Oct 1 2019, In : AIDS and Behavior. 23, 10, p. 2687-2693 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

Conceiving of questions before delivering analyses: Relevant question formulation in reproductive and perinatal epidemiology

Snowden, J. M., Reavis, K. M. & Odden, M. C., Sep 1 2020, In : Epidemiology. 31, 5, p. 644-648 5 p.

Research output: Contribution to journalReview article

Open Access

Concerns about a study on sexually transmitted infections after initiation of HIV preexposure prophylaxis

Marcus, J. L., Volk, J. E. & Snowden, J. M., Apr 24 2018, In : AIDS. 32, 7, p. 955-956 2 p.

Research output: Contribution to journalLetter

4 Scopus citations

Defining maternal obesity in studies of birth outcomes: Comparing ICD-9 codes at delivery and measures on the birth certificate

Wall-Wieler, E., Abrams, B., Snowden, J. M. & Carmichael, S. L., Sep 1 2020, In : Paediatric and Perinatal Epidemiology. 34, 5, p. 618-627 10 p.

Research output: Contribution to journalArticle

Describing latent phase duration and associated characteristics among 1281 low-risk women in spontaneous labor

Tilden, E. L., Phillippi, J. C., Ahlberg, M., King, T. L., Dissanayake, M., Lee, C. S., Snowden, J. M. & Caughey, A. B., Dec 1 2019, In : Birth. 46, 4, p. 592-601 10 p.

Research output: Contribution to journalArticle

3 Scopus citations
2 Scopus citations

Duration of Second Stage of Labour at Term and Pushing Time: Risk Factors for Postpartum Haemorrhage

Looft, E., Simic, M., Ahlberg, M., Snowden, J., Cheng, Y. W. & Stephansson, O., Mar 1 2017, In : Paediatric and Perinatal Epidemiology. 31, 2, p. 126-133 8 p.

Research output: Contribution to journalArticle

11 Scopus citations

Early Elective Delivery Disparities between Non-Hispanic Black and White Women after Statewide Policy Implementation

Kozhimannil, K. B., Muoto, I., Darney, B. G., Caughey, A. B. & Snowden, J. M., May 1 2018, In : Women's Health Issues. 28, 3, p. 224-231 8 p.

Research output: Contribution to journalArticle

5 Scopus citations

Elective induction of labor at term compared with expectant management: Maternal and neonatal outcomes

Darney, B. G., Snowden, J. M., Cheng, Y. W., Jacob, L., Nicholson, J. M., Kaimal, A., Dublin, S., Getahun, D. & Caughey, A. B., Oct 2013, In : Obstetrics and gynecology. 122, 4, p. 761-769 9 p.

Research output: Contribution to journalArticle

107 Scopus citations
6 Scopus citations

Framing air pollution epidemiology in terms of population interventions, with applications to multipollutant modeling

Snowden, J. M., Reid, C. E. & Tager, I. B., Mar 4 2015, In : Epidemiology. 26, 2, p. 271-279 9 p.

Research output: Contribution to journalArticle

7 Scopus citations
3 Scopus citations
1 Scopus citations

Historical (retrospective) cohort studies and other epidemiologic study designs in perinatal research

Klebanoff, M. A. & Snowden, J., Nov 1 2018, In : American Journal of Obstetrics and Gynecology. 219, 5, p. 447-450 4 p.

Research output: Contribution to journalArticle

6 Scopus citations

Implementation of G-computation on a simulated data set: Demonstration of a causal inference technique

Snowden, J. M., Rose, S. & Mortimer, K. M., Apr 1 2011, In : American journal of epidemiology. 173, 7, p. 731-738 8 p.

Research output: Contribution to journalArticle

117 Scopus citations

Increases in Pre-exposure Prophylaxis Use and Decreases in Condom Use: Behavioral Patterns Among HIV-Negative San Francisco Men Who have Sex with Men, 2004–2017

Chen, Y. H., Guigayoma, J., McFarland, W., Snowden, J. M. & Raymond, H. F., Jul 15 2019, In : AIDS and Behavior. 23, 7, p. 1841-1845 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

Induction of labor compared to expectant management in low-risk women and associated perinatal outcomes

Cheng, Y. W., Kaimal, A. J., Snowden, J. M., Nicholson, J. M. & Caughey, A. B., Dec 2012, In : American journal of obstetrics and gynecology. 207, 6, p. 502.e1-502.e8

Research output: Contribution to journalArticle

67 Scopus citations

In reply

Snowden, J., Darney, B. & Caughey, A., 2017, In : Obstetrics and Gynecology. 129, 4, p. 754 1 p.

Research output: Contribution to journalLetter

In reply

Rosenstein, M. G., Cheng, Y. W., Snowden, J. M., Nicholson, J. M. & Caughey, A. B., Nov 1 2012, In : Obstetrics and gynecology. 120, 5, 1 p.

Research output: Contribution to journalLetter

1 Scopus citations

Is there a weekend effect in obstetrics?

Snowden, J. & Caughey, A., Nov 24 2015, In : BMJ (Online). 351, h6192.

Research output: Contribution to journalArticle

3 Scopus citations

Litigation in obstetrics: Does defensive medicine contribute to increases in cesarean delivery?

Cheng, Y. W., Snowden, J. M., Handler, S. J., Tager, I. B., Hubbard, A. E. & Caughey, A. B., Nov 1 2014, In : Journal of Maternal-Fetal and Neonatal Medicine. 27, 16, p. 1668-1675 8 p.

Research output: Contribution to journalArticle

22 Scopus citations

Maternal Body Mass Index and Regional Anaesthesia Use at Term: Prevalence and Complications

Biel, F. M., Marshall, N. E. & Snowden, J. M., Nov 2017, In : Paediatric and Perinatal Epidemiology. 31, 6, p. 495-505 11 p.

Research output: Contribution to journalArticle

6 Scopus citations
7 Scopus citations

Multi-fetal pregnancy, preeclampsia, and long-term cardiovascular disease

Bergman, L., Bergman, L., Nordlöf-Callbo, P., Wikström, A. K., Snowden, J. M., Snowden, J. M., Hesselman, S., Hesselman, S., Bonamy, A. K. E., Sandström, A., Sandström, A. & Sandström, A., Jul 1 2020, In : Hypertension. p. 167-175 9 p.

Research output: Contribution to journalArticle

Opposing or complementary perspectives? Perinatal outcomes, causality, and time zero

Snowden, J. M., Mar 2019, In : Paediatric and Perinatal Epidemiology. 33, 2, p. 113-115 3 p.

Research output: Contribution to journalComment/debate

3 Scopus citations

Oregon's coordinated care organizations increased timely prenatal care initiation and decreased disparities

Muoto, I., Luck, J., Yoon, J., Bernell, S. & Snowden, J. M., Jan 1 2016, In : Health Affairs. 35, 9, p. 1625-1632 8 p.

Research output: Contribution to journalArticle

7 Scopus citations

Oregon's Hard-Stop Policy Limiting Elective Early-Term Deliveries: Association with Obstetric Procedure Use and Health Outcomes

Snowden, J. M., Muoto, I., Darney, B. G., Quigley, B., Tomlinson, M. W., Neilson, D., Friedman, S. A., Rogovoy, J. & Caughey, A. B., Dec 1 2016, In : Obstetrics and gynecology. 128, 6, p. 1389-1396 8 p.

Research output: Contribution to journalArticle

20 Scopus citations
1 Scopus citations

Pharmacist-prescribed birth control in Oregon and other states

Yang, Y. T., Kozhimannil, K. B. & Snowden, J., Apr 19 2016, In : JAMA - Journal of the American Medical Association. 315, 15, p. 1567-1568 2 p.

Research output: Contribution to journalArticle

8 Scopus citations

Planned out-of-hospital birth and birth outcomes

Snowden, J. M., Tilden, E. L., Snyder, J., Quigley, B., Caughey, A. B. & Cheng, Y. W., Dec 31 2015, In : New England Journal of Medicine. 373, 27, p. 2642-2653 12 p.

Research output: Contribution to journalArticle

87 Scopus citations
9 Scopus citations

Population intervention models to estimate ambient NO2 health effects in children with asthma

Snowden, J. M., Mortimer, K. M., Kang Dufour, M. S. & Tager, I. B., Nov 1 2015, In : Journal of Exposure Science and Environmental Epidemiology. 25, 6, p. 567-573 7 p.

Research output: Contribution to journalArticle

7 Scopus citations

Postpartum care in the United States ' New policies for a new paradigm

Murray Horwitz, M. E., Molina, R. L. & Snowden, J. M., Nov 1 2018, In : New England Journal of Medicine. 379, 18, p. 1691-1693 3 p.

Research output: Contribution to journalReview article

7 Scopus citations

Pre-exposure Prophylaxis (PrEP) Use, Seroadaptation, and Sexual Behavior Among Men Who Have Sex with Men, San Francisco, 2004–2014

Chen, Y. H., Snowden, J. M., McFarland, W. & Raymond, H. F., Dec 1 2016, In : AIDS and Behavior. 20, 12, p. 2791-2797 7 p.

Research output: Contribution to journalArticle

44 Scopus citations

Preexposure Prophylaxis and Patient Centeredness: A Call for Holistically Protecting and Promoting the Health of Gay Men

Snowden, J. M., Rodriguez, M. I., Jackson, S. D. & Marcus, J. L., Sep 1 2016, In : American Journal of Men's Health. 10, 5, p. 353-358 6 p.

Research output: Contribution to journalEditorial

1 Scopus citations
50 Scopus citations