appendixexample

appendixexample - Appendix A Description of Variables Used...

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Appendix A Description of Variables Used in Analysis Mental Health Variables Mental Health Diagnosis Dummy Variable (lagged one wave) - A dummy variable that is given a value of 1 if the individual self-reports having ever been told by a doctor that he/she has or had any emotional, nervous, or psychiatric problems and is set to 0 otherwise. CES-D Depression Dummy Variable (lagged one wave) - A dummy variable that is given a value of 1 if there are more than five positive responses given to 8 questions about feelings experienced for much of the time during the past week: 1) depressed, 2) everything was an effort, 3) sleep was restless, 4) happy (reverse coded), 5) lonely, 6) enjoyed life (reverse coded), 7) felt sad, and 8) could not get going. This variable is set to 0 otherwise. Cognitive Limitations Score Dummy Variables (lagged one wave) - The cognitive limitations score is a variable based on a series of cognitive tasks the respondent is asked to complete. The tasks include 10 immediate recall words (listen to 10 nouns and immediately say all that you can remember), 10 delayed recall words (say all of the 10 nouns you can remember 5 minutes later), serial 7s (subtract 7 from 100, then subtract 7 from the subsequent number, for a total of 5 trials), name 2 objects (What do you use to cut paper? What do you call a kind of prickly plant that grows in the desert?), name the current President and Vice President, name the date (month, day, year, and day of the week), and count backwards from 20 to 10 (2 points if correct on the first try, 1 point if correct on the second try). The cognitive limitations score takes a value between 0 and 35 and is reverse coded such that a higher value implies more cognitive limitations. From this score three dummy variables are created: a dummy variable for a cognitive limitation score between 9 and 14; a dummy variable for a cognitive limitation score between 15 and 20; and a dummy variable for a cognitive limitation score greater than or equal to 21. The omitted category is a cognitive limitation score of less than 9. Self-rated Memory Status Dummy Variables (lagged one wave) - Respondents are asked to rate their memory at the present time. We create three dummy variables for self-rated memory status: good self-rated memory status, fair self-rated memory status, and poor self-rated memory status. The omitted category is excellent or very good self-rated memory status. Asset and Wealth Variables Own Stock Dummy Variable - A dummy variable that is given a value of 1 if the household owns stock in a given year and is set to 0 otherwise. Stock ownership includes owning shares of stock in publicly held corporations, mutual funds, or investment trusts. It does not include assets in IRA accounts, Koegh accounts, 401Ks or similar defined contribution pension plans.
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