1. Essex Dependent Interviewing Workshop 17/09/2004 The effects of dependent interviewing on responses to questions on income sources Peter Lynn, Annette Jäckle, Stephen P. Jenkins and Emanuela Sala

2. Essex Dependent Interviewing Workshop 17/09/2004 The Data From ISMIE study INDI: 4 show cards listing income sources; respondent asked which ones received since 1 Sep 2001; “code all that apply” question type: no explicit coding for “no” RDI: Same as INDI, followed by a check question for any income source reported at previous wave, but not current wave: “According to our records, you have in the past received … Have you received …. since … ?” PDI: “According to our records, when we last interviewed you, on …, you were receiving …. For which months since … have you received …. ?

3. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting income source, conditional upon having report source at t-1 Income sourceINDIRDIPDI NI retirement pension99100 Ex-employer pension91100 * * Incapacity benefit7196 * 85 Income support828398 ** Child benefit6886 ** 93 *** Working families tax credit576887 * Housing benefit7894 ** 94 ** Council tax benefit7994 ** 95 **

4. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting income source: unconditional Income sourceINDIRDIPDI NI retirement pension3031 Ex-employer pension1516 Incapacity benefit6107 Income support1817 Child benefit1821 Working families tax credit8811 Housing benefit2030 ** 29 ** Council tax benefit2635 ** 32

5. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting both housing benefit and…. Income sourceINDIRDIPDI …NI retirement pension1016 * 15 * …Ex-employer pension36 * 4 * …Incapacity benefit354 …Income support131514 …Child benefit37 * 6 * …Working families tax credit13 * 2 …Council tax benefit1928 ** 25 *

6. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting both council tax benefit and…. Income sourceINDIRDIPDI …NI retirement pension1418 …Ex-employer pension58 * 6 …Incapacity benefit355 …Income support1415 …Child benefit48 * 7 …Working families tax credit13 * 2

7. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting … conditional upon housing benefit Income sourceINDIRDIPDI …NI retirement pension5152 …Ex-employer pension161914 …Incapacity benefit141714 …Income support6749 * * …Child benefit162221 …Working families tax credit6116 …Council tax benefit969286 *

8. Essex Dependent Interviewing Workshop 17/09/2004 Percentage reporting housing benefit conditional upon … Income sourceINDIRDIPDI …NI retirement pension3450 * 48 * …Ex-employer pension213627 …Incapacity benefit485561 …Income support7486 …Child benefit183229 …Working families tax credit1538 * 16 …Council tax benefit7279

9. Essex Dependent Interviewing Workshop 17/09/2004 Differences between independent and reactive reporters (all 32 income sources) Independent reporters Reactive reporters Born before 19434929 * Retired4224 * NI pension recipient (at t-1)4326 * Living with spouse or partner5531 ** Registered disabled2140 ** No sig difference: gender, in paid work, hhold type, qualifications, general health, car ownership, phone ownership, attitude to neighbourhood

10. Essex Dependent Interviewing Workshop 17/09/2004 The effects of dependent interviewing on responses to questions on income sources Peter Lynn, Annette Jäckle, Stephen P. Jenkins and Emanuela Sala