Avon Longitudinal Study of Parents and Children
ALSPAC Adolescence (13 years – 18 years 11 months)
ALSPAC teen Focus 4 Clinic Dataset
FJDR4100
ALSPAC teen Focus 4 Clinic Dataset
(1505 of 1937)
Variable Description
Name
FJDR4150
Label
DR2078: YP has had difficulty in concentrating after the initial effects of cannabis have worn off [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| -9999 | Consent withdrawn | 0 |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 | 34 |
0.00%
|
|
| -1 | NS/NA | 2,986 |
0.00%
|
|
| 1 | Rarely or never | 688 |
60.25%
|
0.00%
|
| 2 | Sometimes | 172 |
15.06%
|
0.00%
|
| 3 | From time to time | 171 |
14.97%
|
0.00%
|
| 4 | More often than not | 81 |
7.09%
|
0.00%
|
| 5 | Almost always | 30 |
2.63%
|
0.00%
|
| Valid | Invalid | Min | Max | Mean |
|---|---|---|---|---|
| 1142 | 14316 | 1 | 5 | 1.77 |
Representation
Type
Code List
Selection Style
SelectOne
Codes
FJDR3000-
-9999 
Consent withdrawn -
-11 Triplets/quadruplets -
-10 Did not attend -
-4 Session not done -
-2 Skipped -
-1 NS/NA -
1 Rarely or never -
2 Sometimes -
3 From time to time -
4 More often than not -
5 Almost always
Aggregation Method
Unspecified
Temporal
False
Geographic
False
Substance abuse