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Is there evidence of an association between the duration of the pregnancy and the level of care received by the mother?

Is there evidence of an association between the duration of the pregnancy and the level of care received by the mother?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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R5.35. Twin births In 2000, the Journal of the American Medical Association published a study that examined a sample of pregnancies that resulted in the birth of twins. Births were classified as preterm with intervention (induced labor or ce- sare an), preterm without such procedures, or term or post- term. Researchers also classified the pregnancies by the level of prenatal medical care the mother received (inade- quate, adequate, or intensive). The data, from the years 1995-1997, are summarized in the table below. Figures are in thousands of births. (JAMA 284 [2000]: 335-341) Level of Prenatal Care Intensive Adequate Inadequate Total Twin Births, 1995-1997 (in thousands) Preterm Preterm (induced or (without cesarean) procedures) 18 15 43 13 71 46 12 76 Term or Postterm 28 65 38 131 Total 61 154 63 278 Is there evidence of an association between the duration of the pregnancy and the level of care received by the mother?¹
Transcribed Image Text:R5.35. Twin births In 2000, the Journal of the American Medical Association published a study that examined a sample of pregnancies that resulted in the birth of twins. Births were classified as preterm with intervention (induced labor or ce- sare an), preterm without such procedures, or term or post- term. Researchers also classified the pregnancies by the level of prenatal medical care the mother received (inade- quate, adequate, or intensive). The data, from the years 1995-1997, are summarized in the table below. Figures are in thousands of births. (JAMA 284 [2000]: 335-341) Level of Prenatal Care Intensive Adequate Inadequate Total Twin Births, 1995-1997 (in thousands) Preterm Preterm (induced or (without cesarean) procedures) 18 15 43 13 71 46 12 76 Term or Postterm 28 65 38 131 Total 61 154 63 278 Is there evidence of an association between the duration of the pregnancy and the level of care received by the mother?¹
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