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Quantile Regression of Analysis of Language and Interpregnancy Interval in Quebec, Canada
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Title |
Quantile Regression of Analysis of Language and Interpregnancy Interval in Quebec, Canada
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Abstract |
The authors note that short and long interpregnancy intervals are associated with adverse perinatal outcomes such as miscarriage and preterm delivery, but cultural differences in interpregnancy intervals are understudied. They contend that identifying cultural inequality in interpregnancy intervals is necessary to improve maternal-child outcomes, which led them to assesse interpregnancy intervals for Anglophones and Francophones in Quebec. They obtained birth records for all infants born in Quebec, 1989−2011. They identified 571, 461 women with at least two births, and determined the interpregnancy
interval. We defined short interpregnancy intervals (< 18 months) as the 20th percentile of the distribution, and long intervals (≥ 60 months) as the 80th percentile. Using quantile regression, the authors evaluated the association of language with short and long intervals, adjusted for maternal characteristics. They assessed differences over time and by maternal age for disadvantaged groups, defined as no high school diploma, rural residence, and material deprivation. The authors found that in adjusted regression models, Anglophones who had no high school diploma had intervals that were 1.0 month (95% CI: −1.5 to −0.4) shorter than Francophones
at the 20th percentile of the distribution, and 1.9 months (−0.5 to 4.3) longer at the 80th percentile. Results were similar for Anglophones in rural and materially deprived areas. The authors found that the trends persisted over time, but were stronger for women < 30 years. There were no differences between advantaged Anglophones and Francophones. The authors concluded that disadvantaged Anglophones are more likely to have short and long interpregnancy intervals relative to Francophones in Quebec. They suggest that public health interventions to improve perinatal health should target suboptimal intervals among disadvantaged Anglophones.
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Publication |
Health Promotion and Chronic Disease Prevention in Canada: Research, Policy and Practice
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Volume |
Vol. 38
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Issue |
no. 5
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Pages |
200-209
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Date |
May 2018
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Language |
en
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URL | |
Citation |
Auger, Nathalie, Lucien Lemieux, Marianne Bilodeau-Bertrand, Amadou Diogo Barry, and André Costopoulos. “Quantile Regression of Analysis of Language and Interpregnancy Interval in Quebec, Canada.” Health Promotion and Chronic Disease Prevention in Canada: Research, Policy and Practice Vol. 38, no. 5 (May 2018): 200–209. https://www.canada.ca/content/dam/phac-aspc/documents/services/publications/health-promotion-chronic-disease-prevention-canada-research-policy-practice/vol-38-no-5-2018/ar-02-eng.pdf.
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