Question

A study is conducted to investigate the impact of depression on a patient's ability to survive cardiac disease. They evaluated 477 participants for depression and followe for 4 years. There were 374 patients with no depression (ND) and 69 of them died. Out of 103 patients with minor or major depression (D), 28 died. Construct a 95% confidence interval for the difference in proportion of deaths between depressed patients with cardiac disease and non-depressed patients with cardiac disease. (Hint: Round sample proportions and SE to four decimal places.) OA) (0.0392, 0.1356) B) (-0.0072, 0.1818) C) (0.0080, 0.1666) OD) (-0.0371, 0.2118) OE) (-0.0572, 0.2320)

Answer 1

vestigate tients disease icipated for 4 years in depressio or depres ents with sed patient A study is conducted to inves impact of depression on a Patie ability to survive cardiac dise They evaluated 477 participate depression follower for 4 year were 374 patients with no depe (ND) & 69 of them died out of a patients with minoy or mayor de co) 28 died Construct a 95% confidence inten for the difference in proportion o deaths between depressed patients Cardiac disease at non depressed pa with cardiac disease A (0.0392,0.1356) B (-0.0072,0-1818) (0.0080 90.1666) D(-0.037 10.2118) E(-0.0572, 0.2320) ni=103 n2 = 374 P = 21 - 28 -0.272 12u - 24 = 28 22=69 N 1030 122 x -0.05 P = x2 - 69 = 0.184 2:21. = 1.96 2 374 C. J = ($, - P2) + ze 6 (1-P) + f (IE ^ na - =(-0.0072 0.1818) -0.0072 <P<0.1818