Safari File Edit View History Bookmarks Window Help Q 8 Tue May 14 5:19 AM ... A brightspace.nyu.edu C + 0 N Quizzes - Biostatistics for Public Health, Section 001 - NYU Search Results | Course Hero Doc8.docx Final Exam O 1:28:03 remaining X True False 19 20 21 Question 34 (1 point) 22 23 24 Consider two subjects, one male and one female of the same weight and the same cholesterol level. If the male subject participates in a healthy diet program and reduces his weight by 10 pounds, by how many units (to the nearest hundredth) do we expect his blood pressure will be 25 26 27 different from the female subject (assuming nothing has changed for her)? 16.89 28 29 30 18.00 6.32 31 32 33 V 19.35 34 Submit Quiz 29 of 34 questions saved Quiz Information MAY 14 atv DOCXSafari File Edit View History Bookmarks Window Help Q 8 Tue May 14 5:19 AM ... A brightspace.nyu.edu C + 0 N Quizzes - Biostatistics for Public Health, Section 001 - NYU Search Results | Course Hero Doc8.docx Final Exam O 1:27:38 remaining X Question 22 (1 point) Saved 19 20 21 Do countries with a higher percent exclusively breastfed babies (exclusivelybreastfed) tend to have a higher or lower rate of low birthweight babies (controlling for all else)? 22 23 24 Higher Lower 25 26 27 This variable is not a good predictor It depends on other factors, such as literacy level and GNI per capita 28 29 30 Question 23 (1 point) 31 32 33 For the total adult literacy rate (Totaladultliteracyrate) would the confidence interval for the V odds ratio include the value 1? 34 Yes O No Quiz Information Question 24 (1 point) Saved Are there more counties that have a birth weight problem than do not have a birth weight problem? (You can find the relevant information in the first table) 28 MAY 14 tv DOCX@ Safari File Edit View History Bookmarks Window Help B & Tue May 14 5:20 AM [ X I AR 1 )] @ brightspace.nyu.edu ) Lr] (| ) Quizzes - Biostatistics for Public Health, Section 001 - NYU LTJ Search Result Final Exam O 1:27:23 remaining X = =it = those who currently Smoke cigarettes IS 1.84 times the odds ot current alconol drinking == v among those who do not currently smoke cigarettes. Among those who currently use marijuana, the probability of current alcohol drinking 19 20 21 among those who currently smoke cigarettes is 1.84 times the probability of current v v v alcohol drinking among those who do not currently smoke cigarettes. 22 23 24 The odds ratios representing the association between current alcohol use and current v - v cigarette smoking among those who currently use marijuana and those who do not currently use marijuana are not statistically different. 2,/5 f/ 2; The odds ratios representing the association between current alcohol use and current cigarette smoking among those who currently use marijuana and those who do not currently use marijuana are both greater than 1. 28 29 30 vilv|lv . Question 16 (1 point) 3132 |33 The results of the Mantel-Haenszel test indicate v v v That there is NO relationship between current alcohol use and current cigarette use 34 adjusting for marijuana use. - That current marijuana use is associated with current cigarette smoking adjusting for current alcohol drinking. Quiz Information That among those who do not currently use marijuana, current alcohol drinking and cigarette smoking is associated. That among those who do currently use marijuana, current alcohol drinking and current cigarette smoking is associated. @ Safari File Edit View History Bookmarks Window Help S & Tue May 14 5:20 AM [ X I AR 1 )] @ brightspace.nyu.edu ) Lr] (| [ Quizzes - Biostatistics for Public Health, Section 001 - NYU LTJ Search Results | Course Hero Final Exam O 1:27:13 remaining X e v Question 15 (1 point) 19 (f20])21 From the above cross-tabulation, we can calculate the odds ratio representing the association v v v between current alcohol use and current cigarette smoking among those who currently use marijuana and those who do not currently use marijuana, respectively. The results of the 25 23 fj Breslow-Day test on homogeneity of odds ratios indicate _____ Among those who currently use marijuana, the odds of current alcohol drinking among 25 26 |27 those who currently smoke cigarettes is 1.84 times the odds of current alcohol drinking among those who do not currently smoke cigarettes. Among those who currently use marijuana, the probability of current alcohol drinking 28 | |29 || 30 among those who currently smoke cigarettes is 1.84 times the probability of current v v v alcohol drinking among those who do not currently smoke cigarettes. 31 32 33 The odds ratios representing the association between current alcohol use and current v v v cigarette smoking among those who currently use marijuana and those who do not currently use marijuana are not statistically different. 34 The odds ratios representing the association between current alcohol use and current cigarette smoking among those who currently use marijuana and those who do not currently use marijuana are both greater than 1. Quiz Information Question 16 (1 point) The results of the Mantel-Haenszel test indicate Safari File Edit View History Bookmarks Window Help Q 8 Tue May 14 5:20 AM ... brightspace.nyu.edu C N Quizzes - Biostatistics for Public Health, Section 001 - NYU Search Results | Course Hero Doc8.docx Final Exam O 1:27:00 remaining X You compare 2 groups using odds ratios (OR) where OR=(odds group 1)/(odds group 2). If ORchi2 = 0.7987 Test of homogeneity (B-D) chi2(1) = 0.07 Pr>chi2 = 0.7986 34 Test that combined odds ratio = 1: Mantel-Haenszel chi2(1) = 2. 88 Pr>chi2 = 0. 0898 Quiz Information Based on the above cross-tabulation, the R output for the Mantel-Haenszel test is below. > Bres lowDayTest(x) Bres low-Day test on Homogeneity of Odds Ratios data: X X-squared = 0. 065076. df = 1. p-value = 0.7986 28 MAY 14 ali utv DOCXSafari File Edit View History Bookmarks Window Help ( 0 4 7 Q 8 Tue May 14 5:23 AM ... brightspace.nyu.edu C + 0 N Quizzes - Biostatistics for Public Health, Section 001 - NYU Homework Help - Q&A from Online Tutors - Course Hero Doc8.docx Final Exam O 1:24:32 remaining X Based on the above cross-tabulation, the R output for the Mantel-Haenszel test is below. 19 20 21 BreslowDayTest(x) Bres low-Day test on Homogeneity of Odds Ratios data: x 22 23 24 X-squared = 0. 065076, df = 1, p-value = 0. 7986 > mantelhaen . test(Q15$alcohol , Q15$smoke , Q15$marijuana, correct=FALSE) Mantel-Haenszel chi-squared test without continuity correction 25 26 27 data: Q15$alcohol and Q15$smoke and Q15$marijuana Mantel-Haenszel X-squared = 2.8772, df = 1, p-value = 0.08984 alternative hypothesis: true common odds ratio is not equal to 1 28 29 30 95 percent confidence interval: 0. 9207721 3. 0400141 sample estimates: common odds ratio 1. 673069 31 32 33 Question 15 (1 point) 34 From the above cross-tabulation, we can calculate the odds ratio representing the association between current alcohol use and current cigarette smoking among those who currently use marijuana and those who do not currently use marijuana, respectively. The results of the Breslow-Day test on homogeneity of odds ratios indicate _ Quiz Information Among those who currently use marijuana, the odds of current alcohol drinking among those who currently smoke cigarettes is 1.84 times the odds of current alcohol drinking among those who do not currently smoke cigarettes. Among those who currently lice marijuana the probability of current alcabal drinking 28 MAY 14 tv DOCX