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keller_and_evans_lab:dev_con [2016/10/05 20:53] maia_frieser /* Drinks per Week */ |
keller_and_evans_lab:dev_con [2016/10/06 17:16] 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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* DPW4 = (Recoded H4TO35 * H4TO36)/52 | * 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}} | ||
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====== MLS ====== | ====== MLS ====== | ||
+ | Subjects were assessed over time with different measures in two groups; A1-7 and A18-26. Drinking quantity was asked at both time points. with the variable CIG3 | ||
+ | |||
+ | **Questions** | ||
+ | A1-A7: | ||
+ | |||
+ | * Question DAYPERMO: Days per month drinking in last 6 months | ||
+ | |||
+ | * Question DRINKDAY: Drinks per day in last 6 months | ||
+ | |||
+ | A18-26: | ||
+ | |||
+ | * Question DOA1: Days per month drinking in last 6 months | ||
+ | |||
+ | * Question DOA2: Drinks per day in last 6 months | ||
+ | |||
+ | **Combining Variables** | ||
+ | Drinks Per Week variables were created by multiplying days drunk in last 6 months by drinks per day in last 6 months, then dividing by 4: | ||
+ | |||
+ | * | ||
+ | * DPWA18-26 = (DOA1*DOA2)/ | ||
+ | |||
+ | The distribution of cigarettes per day over test time (Test variable, X axis), which roughly corresponds as 1-7 = 11-17 years, and 18-26 as 18-26 years old (see Descriptives), | ||
+ | |||
+ | {{file_mlsdpw.jpeg}} | ||
====== MTFS ====== | ====== MTFS ====== | ||