1 00:00:01,770 --> 00:00:04,620 Hi again, and welcome to Module 8. 2 00:00:04,620 --> 00:00:06,870 In the last module, we talked about simple 3 00:00:06,870 --> 00:00:08,940 and multiple linear regression, 4 00:00:08,940 --> 00:00:11,610 which we use to control for multiple confounders 5 00:00:11,610 --> 00:00:14,580 when we are looking at that primary association 6 00:00:14,580 --> 00:00:17,940 between our exposure and our outcome of interest. 7 00:00:17,940 --> 00:00:20,640 In this module, we're going to take a bit of a step back 8 00:00:20,640 --> 00:00:23,520 and focus on interpretation of the results 9 00:00:23,520 --> 00:00:25,260 of multiple linear regression 10 00:00:25,260 --> 00:00:27,300 in the public health literature. 11 00:00:27,300 --> 00:00:30,630 This is a key learning objective and skill for this class 12 00:00:30,630 --> 00:00:32,490 because we want you all to come out of this 13 00:00:32,490 --> 00:00:34,170 becoming a critical consumer 14 00:00:34,170 --> 00:00:37,260 of the public health literature, and believe it or not, 15 00:00:37,260 --> 00:00:40,500 not every study that gets published is a good study. 16 00:00:40,500 --> 00:00:42,990 So being able to read the method sections critically 17 00:00:42,990 --> 00:00:44,103 is really important. 18 00:00:45,210 --> 00:00:46,890 For those of you who end up going on 19 00:00:46,890 --> 00:00:48,930 to different areas of public health 20 00:00:48,930 --> 00:00:50,970 and don't end up really taking a deep dive 21 00:00:50,970 --> 00:00:54,150 into biostats and epi beyond this class, 22 00:00:54,150 --> 00:00:56,040 this is the key skill that we really want you 23 00:00:56,040 --> 00:00:57,930 to leave this course with. 24 00:00:57,930 --> 00:01:02,040 Dr. Harder splits her lecture in this module into two parts. 25 00:01:02,040 --> 00:01:04,530 In the first part, she goes over an explanation 26 00:01:04,530 --> 00:01:06,570 of how to interpret beta coefficients 27 00:01:06,570 --> 00:01:08,670 from multiple linear regression, 28 00:01:08,670 --> 00:01:09,990 which should be a great refresher 29 00:01:09,990 --> 00:01:13,440 from the last module and help you on your lab. 30 00:01:13,440 --> 00:01:15,930 In the second half, she walks through reading 31 00:01:15,930 --> 00:01:18,420 and interpreting the results from published literature 32 00:01:18,420 --> 00:01:21,030 using multiple linear regression. 33 00:01:21,030 --> 00:01:22,560 She gives a really nice script 34 00:01:22,560 --> 00:01:24,750 for how you should interpret results. 35 00:01:24,750 --> 00:01:26,790 I know it's tempting to wanna get creative 36 00:01:26,790 --> 00:01:30,840 when you're interpreting findings, but in this situation, 37 00:01:30,840 --> 00:01:33,360 I would really like you to just follow that script. 38 00:01:33,360 --> 00:01:36,660 It tells you exactly how to correctly interpret the results 39 00:01:36,660 --> 00:01:39,000 including all of the information that you need 40 00:01:39,000 --> 00:01:41,220 to give your reader in order for them 41 00:01:41,220 --> 00:01:43,770 to fully understand what's being written. 42 00:01:43,770 --> 00:01:46,290 Please pay good attention to what Dr. Harder says 43 00:01:46,290 --> 00:01:48,450 with regards to her interpretation, 44 00:01:48,450 --> 00:01:49,740 how she phrases them 45 00:01:49,740 --> 00:01:52,380 and use that same approach in your labs. 46 00:01:52,380 --> 00:01:54,390 If you have any questions, please reach out. 47 00:01:54,390 --> 00:01:55,353 We'll talk soon.