Jonathan Snowden

Assistant Professor

  • 1594 Citations
  • 21 h-Index
20092020

Research output per year

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Research Output

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Article
2009

Prevalence of seroadaptive behaviours of men who have sex with men, San Francisco, 2004

Snowden, J. M., Raymond, H. F. & McFarland, W., Oct 1 2009, In : Sexually Transmitted Infections. 85, 6, p. 469-476 8 p.

Research output: Contribution to journalArticle

73 Scopus citations
2010

Recent syphilis infection prevalence and risk factors among male low-income populations in coastal peruvian cities

Snowden, J. M., Konda, K. A., Leon, S. R., Giron, J. M., Escobar, G., Coates, T. J., Caceres, C. F. & Klausner, J. D., Feb 2010, In : Sexually Transmitted Diseases. 37, 2, p. 75-80 6 p.

Research output: Contribution to journalArticle

21 Scopus citations
2011

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

Racial/ethnic differences in seroadaptive and serodisclosure behaviors among men who have sex with men

Wei, C., Raymond, H. F., Guadamuz, T. E., Stall, R., Colfax, G. N., Snowden, J. M. & McFarland, W., Jan 1 2011, In : AIDS and Behavior. 15, 1, p. 22-29 8 p.

Research output: Contribution to journalArticle

48 Scopus citations

Seroadaptive behaviours among men who have sex with men in San Francisco: The situation in 2008

Snowden, J. M., Raymond, H. F. & McFarland, W., Mar 1 2011, In : Sexually Transmitted Infections. 87, 2, p. 162-164 3 p.

Research output: Contribution to journalArticle

43 Scopus citations
2012

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

Risk of stillbirth and infant death stratified by gestational age

Rosenstein, M. G., Cheng, Y. W., Snowden, J. M., Nicholson, J. M. & Caughey, A. B., Jul 2012, In : Obstetrics and gynecology. 120, 1, p. 76-82 7 p.

Research output: Contribution to journalArticle

81 Scopus citations

The association between hospital obstetric volume and perinatal outcomes in California

Snowden, J. M., Cheng, Y. W., Kontgis, C. P. & Caughey, A. B., Dec 2012, In : American journal of obstetrics and gynecology. 207, 6, p. 478.e1-478.e7

Research output: Contribution to journalArticle

33 Scopus citations

The effect of race/ethnicity on adverse perinatal outcomes among patients with gestational diabetes mellitus

Nguyen, B. T., Cheng, Y. W., Snowden, J. M., Esakoff, T. F., Frias, A. E. & Caughey, A. B., Oct 2012, In : American journal of obstetrics and gynecology. 207, 4, p. 322.e1-322.e6

Research output: Contribution to journalArticle

34 Scopus citations

The impact of chronic hypertension and pregestational diabetes on pregnancy outcomes

Yanit, K. E., Snowden, J. M., Cheng, Y. W. & Caughey, A. B., Oct 2012, In : American journal of obstetrics and gynecology. 207, 4, p. 333.e1-333.e6

Research output: Contribution to journalArticle

43 Scopus citations

The risk of intrauterine fetal death in the small-for-gestational-age fetus

Pilliod, R. A., Cheng, Y. W., Snowden, J. M., Doss, A. E. & Caughey, A. B., Oct 2012, In : American journal of obstetrics and gynecology. 207, 4, p. 318.e1-318.e6

Research output: Contribution to journalArticle

84 Scopus citations

The risk of stillbirth and infant death stratified by gestational age in women with gestational diabetes

Rosenstein, M. G., Cheng, Y. W., Snowden, J. M., Nicholson, J. M., Doss, A. E. & Caughey, A. B., Apr 2012, In : American journal of obstetrics and gynecology. 206, 4, p. 309.e1-309.e7

Research output: Contribution to journalArticle

61 Scopus citations

The role of ambient ozone in epidemiologic studies of heat-related mortality

Reid, C. E., Snowden, J. M., Kontgis, C. & Tager, I. B., 2012, In : Environmental health perspectives. 120, 12, p. 1627-1630 4 p.

Research output: Contribution to journalArticle

35 Scopus citations
2013

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

Selected perinatal outcomes associated with planned home births in the United States

Cheng, Y. W., Snowden, J. M., King, T. L. & Caughey, A. B., Oct 2013, In : American journal of obstetrics and gynecology. 209, 4, p. 325.e1-325.e8

Research output: Contribution to journalArticle

56 Scopus citations

Systems factors in obstetric care the role of daily obstetric volume

Snowden, J. M., Darney, B. G., Cheng, Y. W., Mcconnell, K. J. & Caughey, A. B., Oct 1 2013, In : Obstetrics and gynecology. 122, 4, p. 851-857 7 p.

Research output: Contribution to journalArticle

15 Scopus citations

The risk of stillbirth and infant death by each additional week of expectant management stratified by maternal age

Page, J. M., Snowden, J. M., Cheng, Y. W., Doss, A. E., Rosenstein, M. G. & Caughey, A. B., Oct 2013, In : American journal of obstetrics and gynecology. 209, 4, p. 375.e1-375.e7

Research output: Contribution to journalArticle

32 Scopus citations
2014

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

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
50 Scopus citations

The mortality risk of expectant management compared with delivery stratified by gestational age and race and ethnicity

Rosenstein, M. G., Snowden, J. M., Cheng, Y. W. & Caughey, A. B., Dec 1 2014, In : American journal of obstetrics and gynecology. 211, 6, p. 660.e1-660.e8

Research output: Contribution to journalArticle

18 Scopus citations
2015

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

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

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

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

Prospective risk of fetal death with gastroschisis

Meyer, M. R., Shaffer, B. L., Doss, A. E., Cahill, A. G., Snowden, J. M. & Caughey, A. B., Nov 22 2015, In : Journal of Maternal-Fetal and Neonatal Medicine. 28, 17, p. 2126-2129 4 p.

Research output: Contribution to journalArticle

6 Scopus citations
28 Scopus citations

The risk of stillbirth and infant death by each additional week of expectant management in twin pregnancies

Page, J. M., Pilliod, R. A., Snowden, J. M. & Caughey, A. B., May 1 2015, In : American journal of obstetrics and gynecology. 212, 5, p. 630.e1-630.e7

Research output: Contribution to journalArticle

14 Scopus citations

Trends in the HIV Epidemic Among African American Men Who Have Sex with Men, San Francisco, 2004–2011

Fuqua, V., Scott, H., Scheer, S., Hecht, J., Snowden, J. M. & Raymond, H. F., Dec 1 2015, In : AIDS and Behavior. 19, 12, p. 2311-2316 6 p.

Research output: Contribution to journalArticle

6 Scopus citations

Velamentous cord insertion: Is it associated with adverse perinatal outcomes?

Esakoff, T. F., Cheng, Y. W., Snowden, J. M., Tran, S. H., Shaffer, B. L. & Caughey, A. B., Mar 1 2015, In : Journal of Maternal-Fetal and Neonatal Medicine. 28, 4, p. 409-412 4 p.

Research output: Contribution to journalArticle

16 Scopus citations
2016
14 Scopus citations
7 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

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

Risk factors for brachial plexus injury in a large cohort with shoulder dystocia

Volpe, K. A., Snowden, J., Cheng, Y. W. & Caughey, A., Apr 4 2016, (Accepted/In press) In : Archives of Gynecology and Obstetrics. p. 1-5 5 p.

Research output: Contribution to journalArticle

3 Scopus citations

Term elective induction of labour and perinatal outcomes in obese women: Retrospective cohort study

Lee, V. R., Darney, B. G., Snowden, J. M., Main, E. K., Gilbert, W., Chung, J. & Caughey, A. B., Jan 1 2016, In : BJOG: An International Journal of Obstetrics and Gynaecology. 123, 2, p. 271-278 8 p.

Research output: Contribution to journalArticle

20 Scopus citations

The Impact of maternal obesity and race/ethnicity on perinatal outcomes: Independent and joint effects

Snowden, J. M., Mission, J. F., Marshall, N. E., Quigley, B., Main, E., Gilbert, W. M., Chung, J. H. & Caughey, A. B., Jul 1 2016, In : Obesity. 24, 7, p. 1590-1598 9 p.

Research output: Contribution to journalArticle

17 Scopus citations
2017

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
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

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
42 Scopus citations

Re: Trends in operative vaginal delivery, 2005-2013: A population-based study

Klebanoff, M. A. & Snowden, J., 2017, (Accepted/In press) In : BJOG: An International Journal of Obstetrics and Gynaecology.

Research output: Contribution to journalArticle

3 Scopus citations

Self-Perceived Viral Load and Sexual Risk Behavior Among Known HIV-Positive MSM in San Francisco, 2014

Guigayoma, J., Chen, Y. H., Snowden, J. M., Santos, G. M., Hecht, J. & Raymond, H. F., Jul 1 2017, In : Journal of acquired immune deficiency syndromes (1999). 75, p. S309-S315

Research output: Contribution to journalArticle

Type-2 diabetes mellitus: does prenatal care affect outcomes?

Allen, A. J., Snowden, J., Lau, B., Cheng, Y. & Caughey, A., Feb 15 2017, (Accepted/In press) In : Journal of Maternal-Fetal and Neonatal Medicine. p. 1-5 5 p.

Research output: Contribution to journalArticle

4 Scopus citations

Uptake and utilization of practice guidelines in hospitals in the United States: The case of routine episiotomy

Kozhimannil, K. B., Karaca-Mandic, P., Blauer-Peterson, C. J., Shah, N. T. & Snowden, J., Jan 1 2017, In : Joint Commission Journal on Quality and Patient Safety. 43, 1, p. 41-48 8 p.

Research output: Contribution to journalArticle

10 Scopus citations

Vaginal birth after cesarean: neonatal outcomes and United States birth setting

Tilden, E. L., Cheyney, M., Guise, J. M., Emeis, C., Lapidus, J., Biel, F. M., Wiedrick, J. & Snowden, J. M., Apr 1 2017, In : American journal of obstetrics and gynecology. 216, 4, p. 403.e1-403.e8

Research output: Contribution to journalArticle

15 Scopus citations