Avon Longitudinal Study of Parents and Children
ALSPAC Adolescence (13 years – 18 years 11 months)
ALSPAC teen Focus 4 Clinic Dataset
FJDR500
ALSPAC teen Focus 4 Clinic Dataset
(1447 of 1937)
Variable Description
Name
FJDR550
Label
DR400: If YP smokes cannabis it is most commonly mixed with tobacco [F17]
Dataset
| Value | Label | Frequency | % of valid | % of all |
|---|---|---|---|---|
| -9999 | Consent withdrawn | 0 |
0.00%
|
0.00%
|
| -11 | Triplets/quadruplets | 13 |
0.00%
|
|
| -10 | Did not attend | 10,228 |
0.00%
|
|
| -4 | Session not done | 1,055 |
0.00%
|
|
| -2 | Skipped | 4 |
0.00%
|
|
| -1 | NS/NA | 2,992 |
0.00%
|
|
| 1 | Rarely smoke it | 144 |
12.35%
|
0.00%
|
| 2 | By itself | 40 |
3.43%
|
0.00%
|
| 3 | Mixed with tobacco | 947 |
81.22%
|
0.00%
|
| 9 | Don't know | 35 |
3.00%
|
0.00%
|
| Valid | Invalid | Min | Max | Mean |
|---|---|---|---|---|
| 1166 | 14292 | 1 | 9 | 2.9 |
Representation
Type
Code List
Selection Style
SelectOne
Codes
FJDR550-
-9999 
Consent withdrawn -
-11 Triplets/quadruplets -
-10 Did not attend -
-4 Session not done -
-2 Skipped -
-1 NS/NA -
1 Rarely smoke it -
2 By itself -
3 Mixed with tobacco -
9 Don't know
Aggregation Method
Unspecified
Temporal
False
Geographic
False
Substance abuse