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keller_and_evans_lab:dev_con [2016/10/05 20:00]
maia_frieser /* CADD */ 		keller_and_evans_lab:dev_con [2019/10/31 10:48] (current)
lessem ↷ Links adapted because of a move operation
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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)| 1.91 (7.89)** | 
-| 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)| 2.07 (8.03)** | 
-| 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)*| 4.5 (10.61) | 
-| 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)| 4.02 (9.49) |
  
   *  *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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 After data cleaning, the distributions of these variables looked like this:  After data cleaning, the distributions of these variables looked like this: 
  
-{{file_cts_cpd.jpeg}} +{{:file_cts_cpd.jpeg}} 
-{{file_ltscpd.jpeg}}+{{:file_ltscpd.jpeg}}
  
 Changes over time to average CPD: Changes over time to average CPD:
  
-{{file_cts_cpd_spaghetti.jpeg}} +{{:file_cts_cpd_spaghetti.jpeg}} 
-{{file_lts_cpd_spaghetti.jpeg}}+{{:file_lts_cpd_spaghetti.jpeg}}
  
 To examine the correlation between computed CPD variables over the waves, measures were log-transformed, controlling for sex. To examine the correlation between computed CPD variables over the waves, measures were log-transformed, controlling for sex.
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 **CTS Variables** **CTS Variables**
  
-{{file_cpdctssex.jpeg}}+{{:file_cpdctssex.jpeg}}
  
 ** Sex-Controlled CTS Cigs Per Day Variable Correlations (Log-Transformed) ** ** Sex-Controlled CTS Cigs Per Day Variable Correlations (Log-Transformed) **
Line 135: Line 136:
 **LTS Variables** **LTS Variables**
  
-{{file_cpdltssexvar.jpeg}}+{{:file_cpdltssexvar.jpeg}}
  
 ** Sex-Controlled LTS Cigs Per Day Variable Correlations (Log-Transformed) ** ** Sex-Controlled LTS Cigs Per Day Variable Correlations (Log-Transformed) **
Line 168: Line 169:
 The change over time in frequency by age looks like this (added jitter): The change over time in frequency by age looks like this (added jitter):
  
-{{file_ftp_tob_freq.jpeg}}+{{:file_ftp_tob_freq.jpeg}}
  
   *  *0 = Never, 1 = <1/week, 2 = 1-2/week, 3 = 3-4/week, 4 = 5-6/week, 5 = everyday   *  *0 = Never, 1 = <1/week, 2 = 1-2/week, 3 = 3-4/week, 4 = 5-6/week, 5 = everyday
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     *  Asked of everyone who has ever tried cigarette smoking (even just 1 or 2 puffs), regardless of smoking regularity     *  Asked of everyone who has ever tried cigarette smoking (even just 1 or 2 puffs), regardless of smoking regularity
  
-  * Question H1TO6: During the past 30 days, on the days you smoked, how many cigarettes did you smoke each day?+  * Question H1TO7: During the past 30 days, on the days you smoked, how many cigarettes did you smoke each day?
     *  Answers range from 0-95 cigarettes; options for refused, don't know, legitimate skip     *  Answers range from 0-95 cigarettes; options for refused, don't know, legitimate skip
     *  Not asked if to H1TO5 = 0     *  Not asked if to H1TO5 = 0
Line 224: Line 225:
     *  Answers range from 1-100 cigarettes; options for refuse, legitimate skip, don't know     *  Answers range from 1-100 cigarettes; options for refuse, legitimate skip, don't know
     *  Not asked if H4TO5 = 0, refused, or don't know     *  Not asked if H4TO5 = 0, refused, or don't know
 +
 +**Combining Variables**
 +The smoking days per month variables were combined with the cigarettes per day variables, then divided by 30 to get a measure of average cigarettes per day over the last month:
 +  *     *  CPD1 = (H1TO5*H1TO7)/30
 +    *  CPD2 = (H2TO5*H2TO7)/30
 +    *  CPD3 = (H3TO07*H3TO10)/30
 +    *  CPD4 = (H4TO5*H4TO6)/30
 +
 +The distribution of the CPD variables looked like this:
 +
 +{{:file_add_health_cpd.jpg}}
 +
 +The change in CPD over time (added jitter) looks like this:
 +
 +{{:file_add_health_cpdspaghetti.jpg}}
  
  
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 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), looked like this (added jitter): 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), looked like this (added jitter):
  
-{{file_mlscpd.jpeg}}+{{:file_mlscpd.jpeg}}
  
  
Line 302: Line 318:
 After data cleaning, the distribution of the computed variable looked like this: After data cleaning, the distribution of the computed variable looked like this:
  
-{{file_cts12_dpw.jpeg}} +{{:file_cts12_dpw.jpeg}} 
-{{file_lts12_dpw.jpeg}}+{{:file_lts12_dpw.jpeg}}
  
 Change over time to DPW: Change over time to DPW:
  
-{{file_cts_dpw12_spaghetti.jpeg}} +{{:file_cts_dpw12_spaghetti.jpeg}} 
-{{file_lts_dpw12_spaghetti.jpeg}}+{{:file_lts_dpw12_spaghetti.jpeg}}
  
 **Measured Variable:** **Measured Variable:**
Line 326: Line 342:
 After data cleaning, the distribution of the measured variable looked like this: After data cleaning, the distribution of the measured variable looked like this:
  
-{{file_cts23_dpw.jpeg}} +{{:file_cts23_dpw.jpeg}} 
-{{file_lts23_dpw.jpeg}}+{{:file_lts23_dpw.jpeg}}
  
 Change over time to DPW: Change over time to DPW:
  
-{{file_cts_dpw23_spaghetti.jpeg}} +{{:file_cts_dpw23_spaghetti.jpeg}} 
-{{file_lts_dpw23_spaghetti.jpeg}}+{{:file_lts_dpw23_spaghetti.jpeg}}
  
 To examine the correlation between computed and measured DPW variables over the waves, measures were left-anchored by adding a constant of 1 to all measures, then log-transformed, controlling for sex. To examine the correlation between computed and measured DPW variables over the waves, measures were left-anchored by adding a constant of 1 to all measures, then log-transformed, controlling for sex.
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 **CTS Variables** **CTS Variables**
  
-{{file_sexvardpw.jpeg}}+{{:file_sexvardpw.jpeg}}
  
 ** Sex-Controlled CTS Drinks Per Week Variable Correlations (Log-Transformed) ** ** Sex-Controlled CTS Drinks Per Week Variable Correlations (Log-Transformed) **
Line 351: Line 367:
 **LTS Variables** **LTS Variables**
  
-{{file_sexvar_ltsdpw.jpeg}}+{{:file_sexvar_ltsdpw.jpeg}}
  
 ** Sex-Controlled LTS Drinks Per Week Variable Correlations (Log-Transformed) ** ** Sex-Controlled LTS Drinks Per Week Variable Correlations (Log-Transformed) **
Line 379: Line 395:
 The change over time in frequency by age looks like this (added jitter): The change over time in frequency by age looks like this (added jitter):
  
-{{file_ftp_alc_freq.jpeg}}+{{:file_ftp_alc_freq.jpeg}}
  
   *  *0 = Never, 1 = <1/week, 2 = 1-2/week, 3 = 3-4/week, 4 = 5-6/week, 5 = everyday   *  *0 = Never, 1 = <1/week, 2 = 1-2/week, 3 = 3-4/week, 4 = 5-6/week, 5 = everyday
Line 481: Line 497:
 **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: 
-  *     *  DPW1 = (Recoded H1TO15 * H1TO16)/365 +  *     *  DPW1 = (Recoded H1TO15 * H1TO16)/52 
-    *  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 
 + 
 +After data cleaning, the distributions of the DPW variables looked like this: 
 + 
 +{{:file_add_health_dpw.jpg}} 
 + 
 +The change over time to average DPW (added jitter) looked like this: 
 + 
 +{{:file_add_health_dpwspaghetti.jpg}}
  
  
 ====== 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:
 +
 +  *     *  DPWA1-A7= (DAYPERMO*DRINKDAY)/4
 +    *  DPWA18-26 = (DOA1*DOA2)/4
 +
 +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), looked like this (added jitter):
 +
 +{{:file_mlsdpw.jpeg}}
  
  
 ====== MTFS ====== ====== MTFS ======
  
keller_and_evans_lab/dev_con.1475719234.txt.gz · Last modified: 2016/10/05 20:00 by maia_frieser

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