Open Access Research article

Trends of preterm birth and low birth weight in Japan: a one hospital-based study

Takashi Yorifuji1*, Hiroo Naruse2, Saori Kashima3, Takeshi Murakoshi2, Tsuguhiko Kato1, Sachiko Inoue45, Hiroyuki Doi4 and Ichiro Kawachi5

Author Affiliations

1 Department of Human Ecology, Okayama University Graduate School of Environmental and Life Science, 3-1-1 Tsushima-naka, Kita-ku, Okayama, 700-8530, Japan

2 Department of Obstetrics, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Naka-ku, Hamamatsu, Shizuoka, Japan

3 Department of Public Health and Health Policy, Hiroshima University Institute of Biomedical & Health Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, Japan

4 Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Japan

5 Department of Society, Human Development, and Health, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA, USA

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BMC Pregnancy and Childbirth 2012, 12:162  doi:10.1186/1471-2393-12-162

Published: 26 December 2012

Additional files

Additional file 1: Table S1:

Online Table. Crude and adjusted interval odds ratios* (and corresponding 95% CI) for PTB less than 37 wks and LBW.

Format: DOCX Size: 20KB Download file

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