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Open Access Research article

Optimism/pessimism and health-related quality of life during pregnancy across three continents: a matched cohort study in China, Ghana, and the United States

Cheryl A Moyer14*, Huixia Yang2, Yao Kwawukume3, Anu Gupta1, YuChun Zhu2, Isaac Koranteng3, Yasmin Elsayed1, YuMei Wei2, Jonathan Greene4, Cecilia Calhoun4, Geraldine Ekpo4, Megan Beems1, Megan Ryan1, Richard Adanu3 and Frank Anderson45

Author Affiliations

1 Global REACH, University of Michigan, 717 E. Huron, Suite 1E; Ann Arbor, MI 48104

2 Department of Obstetrics and Gynecology, Peking University First Hospital, No.8 XiShiKu St. XiCheng District, Beijing, PR China, 100034

3 Department of Obstetrics and Gynecology, University of Ghana, University of Ghana Medical School, PO Box GP4236, Accra, Ghana

4 University of Michigan Medical School, 1500 E. Medical Center Drive. Ann Arbor, MI 48109

5 Department of Obstetrics and Gynecology, University of Michigan Medical School, 1500 E. Medical Center Drive. Ann Arbor, MI 48109

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BMC Pregnancy and Childbirth 2009, 9:39  doi:10.1186/1471-2393-9-39

Published: 1 September 2009

Abstract

Background

Little is known about how optimism/pessimism and health-related quality of life compare across cultures.

Methods

Three samples of pregnant women in their final trimester were recruited from China, Ghana, and the United States (U.S.). Participants completed a survey that included the Life Orientation Test - Revised (LOT-R, an optimism/pessimism measure), the Short Form 12 (SF-12, a quality of life measure), and questions addressing health and demographic factors. A three-country set was created for analysis by matching women on age, gestational age at enrollment, and number of previous pregnancies. Anovas with post-hoc pairwise comparisons were used to compare results across the cohorts. Multivariate regression analysis was used to create a model to identify those variables most strongly associated with optimism/pessimism.

Results

LOT-R scores varied significantly across cultures in these samples, with Ghanaian pregnant women being the most optimistic and least pessimistic and Chinese pregnant women being the least optimistic overall and the least pessimistic in subscale analysis. Four key variables predicted approximately 20% of the variance in overall optimism scores: country of origin (p = .006), working for money (p = .05); level of education (p = .002), and ever being treated for emotional issues with medication (p < .001). Quality of life scores also varied by country in these samples, with the most pronounced difference occurring in the vitality measure. U.S. pregnant women reported far lower vitality scores than both Chinese and Ghanaian pregnant women in our sample.

Conclusion

This research raises important questions regarding what it is about country of origin that so strongly influences optimism/pessimism among pregnant women. Further research is warranted exploring underlying conceptualization of optimism/pessimism and health related quality of life across countries.