Flag for CAPI respondents for whether or not self-completion data file is available. (1.) The variable scflag_dv=0 if a face-to-face respondent (indmode=1) did not complete self-completion questionnaire and 1 if they did. At each wave, there are a handful of cases where the respondent only partially completed the self-completion questionniare. In such cases the scflag_dv=0 (in Wave 3, 71 cases; in Wave 4, 40 cases; in Wave 5, 71 cases; in Wave 7, 29 cases; in Wave 8, 11 cases). (2.) Proxy respondents are not offered the self-completion questionnaire. So, for proxy respondents scflag_dv=0. Please note that in Wave 1 scflag_dv=-7 for proxy respondents. (3.) Telephone interview mode was introduced in Wave 2 (indmode=2) and web interview mode in Wave 7 (indmode=3). For these respondents, scflag_dv=0. While telephone and web respondents are not offered a separate self-completion questionnaire, all the questions in the self-completion questionnaires are always included in web interviews and started to be included in telephone interviews from onwards Wave 5. (4.) For Waves 1-2 based solely on whether data from paper questionnaires were available. Subsequently derived from w_scac. Note that self-completion data are also available for all cases with w_indmode=2 or w_indmode=3 (telephone and web respondents).
Uses SCAC on data file INDRESPUses PIDP on data file YOUTH/
1. The variable scflag_dv=0 if a face-to-face respondent (indmode=1) did not complete self-completion questionnaire and 1 if they did. At each wave, there are a handful of cases where the respondent only partially completed the self-completion questionniare. In such cases the scflag_dv=0 (in Wave 3, 71 cases; in Wave 4, 40 cases; in Wave 5, 71 cases; in Wave 7, 29 cases; in Wave 8, 11 cases). 2. Proxy respondents are not offered the self-completion questionnaire. So, for proxy respondents scflag_dv=0. Please note that in Wave 1 scflag_dv=-7 for proxy respondents. 3. Telephone interview mode was introduced in Wave 2 (indmode=2) and web interview mode in Wave 7 (indmode=3). For these respondents, scflag_dv=0. But please note that while telephone and web respondents are not offered a separate self-completion questionnaire, all the questions in the self-completion questionnaires are always included in web interviews and started to be included in telephone interviews from onwards Wave 5.
Derived variable note:
Flag for CAPI respondents for whether or not self-completion data file is available. (1.) The variable scflag_dv=0 if a face-to-face respondent (indmode=1) did not complete self-completion questionnaire and 1 if they did. At each wave, there are a handful of cases where the respondent only partially completed the self-completion questionniare. In such cases the scflag_dv=0 (in Wave 3, 71 cases; in Wave 4, 40 cases; in Wave 5, 71 cases; in Wave 7, 29 cases; in Wave 8, 11 cases). (2.) Proxy respondents are not offered the self-completion questionnaire. So, for proxy respondents scflag_dv=0. Please note that in Wave 1 scflag_dv=-7 for proxy respondents. (3.) Telephone interview mode was introduced in Wave 2 (indmode=2) and web interview mode in Wave 7 (indmode=3). For these respondents, scflag_dv=0. While telephone and web respondents are not offered a separate self-completion questionnaire, all the questions in the self-completion questionnaires are always included in web interviews and started to be included in telephone interviews from onwards Wave 5. (4.) For Waves 1-2 based solely on whether data from paper questionnaires were available. Subsequently derived from w_scac. Note that self-completion data are also available for all cases with w_indmode=2 or w_indmode=3 (telephone and web respondents).
Uses SCAC on data file INDRESPUses PIDP on data file YOUTH/
Derived variable note:
Uses SCAC on data file INDRESP Uses PIDP on data file YOUTH/
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
49529
89.4%
self-completion completed by CAPI respondent
1
4249
7.67%
youth self-completion available (paper)
2
1623
2.93%
Total
55401
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
39032
93.82%
self-completion completed by CAPI respondent
1
803
1.93%
youth self-completion available (paper)
2
1766
4.25%
Total
41601
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
41336
94.86%
self-completion completed by CAPI respondent
1
578
1.33%
youth self-completion available (paper)
2
1663
3.82%
Total
43577
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
38312
81.58%
self-completion completed by CAPI respondent
1
6553
13.95%
youth self-completion available (paper)
2
2100
4.47%
Total
46965
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
35538
70.92%
self-completion completed by CAPI respondent
1
12069
24.08%
youth self-completion available (paper)
2
2506
5.0%
Total
50113
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
34666
65.79%
self-completion completed by CAPI respondent
1
15207
28.86%
youth self-completion available (paper)
2
2821
5.35%
Total
52694
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
28882
51.02%
self-completion completed by CAPI respondent
1
24454
43.2%
youth self-completion available (paper)
2
3272
5.78%
Total
56608
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
21088
35.18%
self-completion completed by CAPI respondent
1
35223
58.76%
youth self-completion available (paper)
2
3630
6.06%
Total
59941
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
22245
34.38%
self-completion completed by CAPI respondent
1
39006
60.28%
youth self-completion available (paper)
2
3461
5.35%
Total
64712
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
21716
35.3%
self-completion completed by CAPI respondent
1
36141
58.75%
youth self-completion available (paper)
2
3655
5.94%
Total
61512
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
22701
34.59%
self-completion completed by CAPI respondent
1
38880
59.24%
youth self-completion available (paper)
2
4045
6.16%
Total
65626
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
25586
36.2%
self-completion completed by CAPI respondent
1
40658
57.53%
youth self-completion available (paper)
2
4427
6.26%
Total
70671
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
28368
36.61%
self-completion completed by CAPI respondent
1
44109
56.92%
youth self-completion available (paper)
2
5018
6.48%
Total
77495
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
31224
40.39%
self-completion completed by CAPI respondent
1
41185
53.27%
youth self-completion available (paper)
2
4899
6.34%
Total
77308
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
31222
88.02%
self-completion completed by CAPI respondent
1
4249
11.98%
Total
35471
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
27195
97.13%
self-completion completed by CAPI respondent
1
803
2.87%
Total
27998
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
28693
98.03%
self-completion completed by CAPI respondent
1
578
1.97%
Total
29271
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
25455
79.53%
self-completion completed by CAPI respondent
1
6553
20.47%
Total
32008
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
22250
64.83%
self-completion completed by CAPI respondent
1
12069
35.17%
Total
34319
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
20851
57.83%
self-completion completed by CAPI respondent
1
15207
42.17%
Total
36058
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
14840
37.77%
self-completion completed by CAPI respondent
1
24454
62.23%
Total
39294
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
6947
16.47%
self-completion completed by CAPI respondent
1
35223
83.53%
Total
42170
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
6186
13.69%
self-completion completed by CAPI respondent
1
39006
86.31%
Total
45192
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
8696
19.39%
self-completion completed by CAPI respondent
1
36141
80.61%
Total
44837
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
8194
17.41%
self-completion completed by CAPI respondent
1
38880
82.59%
Total
47074
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
9034
18.18%
self-completion completed by CAPI respondent
1
40658
81.82%
Total
49692
100.0%
Value label
Value
Absolute frequency
Relative frequency
no self-completion (CASI) from CAPI respondent
0
10459
19.17%
self-completion completed by CAPI respondent
1
44109
80.83%
Total
54568
100.0%
Value label
Value
Absolute frequency
Relative frequency
proxy
-7
3262
6.4%
no self-completion (CASI) from CAPI respondent
0
7219
14.16%
self-completion completed by CAPI respondent
1
40513
79.45%
Total
50994
100.0%
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The Economic and Social Research Council is the primary funder of the study
The Study is led by a team at the Institute for Social and Economic Research (ISER) at the University of Essex.