Postpartum depression among women in Nagoya indirectly exposed to the Great East Japan Earthquake

This study aimed to assess the situation of postpartum depression and maternal bonding in Nagoya, a city distant from the epicenter of the Great East Japan Earthquake that occurred on March 11, 2011. Among the participants at 1 month after childbirth between March 11, 2010 and March 10, 2013 (n = 18...

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Bibliographic Details
Published in:Scientific reports 2018-08, Vol.8 (1), p.11624-6, Article 11624
Main Authors: Kubota, Chika, Okada, Takashi, Morikawa, Mako, Nakamura, Yukako, Yamauchi, Aya, Ando, Masahiko, Shiino, Tomoko, Ohara, Masako, Murase, Satomi, Goto, Setsuko, Kanai, Atsuko, Masuda, Tomoko, Aleksic, Branko, Ozaki, Norio
Format: Article
Language:English
Subjects:
692/699/476/1414
692/700/478/2772
Anxiety
Earthquakes
Humanities and Social Sciences
Mental depression
multidisciplinary
Postpartum
Postpartum depression
Science
Science (multidisciplinary)
Seismic activity
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Summary:This study aimed to assess the situation of postpartum depression and maternal bonding in Nagoya, a city distant from the epicenter of the Great East Japan Earthquake that occurred on March 11, 2011. Among the participants at 1 month after childbirth between March 11, 2010 and March 10, 2013 (n = 188), 152 fully responded to the Edinburgh Postnatal Depression Scale (EPDS) and Mother–Infant Bonding Questionnaire (MIBQ). They were divided into pre-quake (n = 58), and 0–6, 6–12, 12–18, and 18–24 months after the earthquake groups (n = 20, 26, 29, and 19, respectively). The rate of mothers who scored above the cutoff point for the EPDS increased from 12.1% in the pre-quake to 35.0% in the 0–6 months group (p = 0.022). The EPDS total and anxiety subscale scores (mean ± standard error) were also significantly different between the pre-quake and 0–6 months after the earthquake groups (4.45 ± 0.50 vs. 7.95 ± 1.47, p = 0.024; 2.16 ± 0.26 vs. 3.65 ± 0.57, p = 0.021, respectively). The EPDS total and anxiety scores were the highest for the 0–6 months group, followed by the 6–12, 12–18, 18–24 months groups (p = 0.019, p = 0.022). MIBQ scores did not differ between the pre-quake and 0–6 months groups. Depressive symptoms, mainly explained by anxiety, increased after the earthquake with no changes in maternal bonding.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-018-30065-w