Does the author use descriptive and/or inferential statistics?

Ive choosen an articleand answer these question as I list. The summary is at least the full page. Show more Ive choosen an articleand answer these question as I list. The summary is at least the full page. This is my article Smoking and Pregnancy A Statistical Study of 5659 Patients GEORGE C. DOWNING M.D. AND WILLIAM E. CHAPMAN M.D. Palo Alto * The outcome of 5659 pregnancies was recorded over a period of six years. The group was divided into 2630 smokers and 3029 non-smokers. Smoking was associated with increased incidence of premature babies but not increased infant mortality. This study confirms the findings of other investigators. THE PRESENT CONCERN about the effects of tobacco-smoking upon health seems to warrant publishing our own observations on the effect of smoking on pregnancy. During a six-year period between 1952 and 1958 5659 obstetrical patients at the Palo Alto Medical Clinic were classified as smokers or non-smokers. The final outcome of each pregnancy was noted and the results are shown in Table 1. These results show that maternal smoking is associated with premature delivery at a statistically significant level but does not affect the infant mortality. Smoking did not increase the incidence of spontaneous abortion in this study. However it is noted that many abortions occurred before the women registered for prenatal care. Unfortunately these could not be included. From the Department of Obstetrics and Gynecology Palo Alto Medical Clinic 300 Homer Avenue Palo Alto and Department of Medical Electronics Palo Alto Medical Research Foundation 860 Bryant Street Palo Alto. Submitted 7 September 1965.Palo Alto Medical Clinic 300 Homer Avenue Palo Alto California 94301 (Downing). TABLE 1.-Outcome in 5659 Pregnancies Smokers Non-Smokers Total Chi SignifliTotal 2630 3029 5659 Square cance Abortion ..107 Premature.. 88 Survived.. 71 Stillborn.. 12 Neonatal death .5. Full Term Stillborn 12 Neonatal death Total fetal mortality. 136 CALIFORNIA MEDICINE 187 A statistical summary of the article: basing on the article please answer these questions as below 1) What is the authors hypothesis? Identify the IV DV and UA. 2) What types of statistical tools does the author use? (i.e. mean standard deviation range tests of significance etc.) BE SPECIFIC mention all you think may have been included in the analysis. 3) Does the author use descriptive and/or inferential statistics? Explain. 4) How was the data collected? Was it from a survey census information etc.? 5) Provide a summary of the content of the article. 6) Does the use of statistics help the authors message? Why? Show less

 

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