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keller_and_evans_lab:dev_con [2016/10/05 20:38] maia_frieser /* AddHealth */ |
keller_and_evans_lab:dev_con [2016/10/05 21:09] maia_frieser /* AddHealth */ |
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** National Longitudinal Study of Adolescent to Adult Health (AddHealth) Descriptives ** | ** National Longitudinal Study of Adolescent to Adult Health (AddHealth) Descriptives ** | ||
^ Wave^ Sample Size^ % Male^ Mean (SD) Age^ Mean (SD) CPD^ Mean (SD) DPW | | ^ Wave^ Sample Size^ % Male^ Mean (SD) Age^ Mean (SD) CPD^ Mean (SD) DPW | | ||
- | | 1| 20745| 49%| 16.15 (1.74)| 5.39 (7.92)| .83 (3.02) | | + | | 1| 20745| 49%| 16.15 (1.74)| 5.39 (7.92)| |
- | | 2| 14738| 49%| 16.81 (1.62)| 5.51 (8.01)| .98 (3.46) | | + | | 2| 14738| 49%| 16.81 (1.62)| 5.51 (8.01)| |
- | | 3| 15197| 47%| 22.36 (1.83)| 10.34 (9.95)*| .91 (1.73) | | + | | 3| 15197| 47%| 22.36 (1.83)| 10.34 (9.95)*| |
- | | 4| 15701| 47%| 29.1 (1.75)| 9.26 (9.9)| .81 (1.55) | | + | | 4| 15701| 47%| 29.1 (1.75)| 9.26 (9.9)| |
* *only asked of regular smokers, not anyone who has ever tried even a puff of a cigarette | * *only asked of regular smokers, not anyone who has ever tried even a puff of a cigarette | ||
+ | * **outliers removed | ||
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**Combining variables: | **Combining variables: | ||
- | The transformed drinking days per year variables were multiplied by the drinks per day variables, then divided by 365 to get an average drinks per day over the last year: | + | The transformed drinking days per year variables were multiplied by the drinks per day variables, then divided by 52 to get an average drinks per week over the last year: |
- | * | + | * |
- | * DPW2 = (Recoded H2TO19 * H2TO20)/365 | + | * DPW2 = (Recoded H2TO19 * H2TO20)/52 |
- | * DPW3 = (Recoded H3TO38 * H3TO39)/365 | + | * DPW3 = (Recoded H3TO38 * H3TO39)/52 |
- | * DPW4 = (Recoded H4TO35 * H4TO36)/365 | + | * DPW4 = (Recoded H4TO35 * H4TO36)/52 |
- | The distributions of the DPW variables looked like this: | + | After data cleaning, the distributions of the DPW variables looked like this: |
{{file_add_health_dpw.jpg}} | {{file_add_health_dpw.jpg}} | ||
+ | |||
+ | The change over time to average DPW (added jitter) looked like this: | ||
+ | |||
+ | {{file_add_health_dpwspaghetti.jpg}} | ||