Response rates by wave and instrument
The number and percentages of survey instruments of each type that were completed at each wave are shown in the table below. Get more detailed information on non-response from the technical papers on weighting and non-response.
Notes: SC ACASI = B cohort and SC CASI = K cohort. Wave 6 CSR instrument was used and in Wave 7 CAI was used.
a Questionnaire acronyms are detailed above in section 3, Table 1: Data collection modes by wave.
b 'Eligible' means the number of LSAC children for whom a questionnaire was applicable (e.g. children are eligible for a HBC questionnaire if the child's main care is attended for 8 hours or more per week and this is home-based care).
c 'Actual' means the number of respondents for whom a form was returned.
d Response rates for waves 2 to 7 as proportion of Wave 1 families.
e Represents instances where a child interview was completed and the main interview with the parents was not. Specifically, in Wave 4 there were five cases (K cohort). In Wave 5 there were eight cases for the K cohort and four cases for the B cohort. In Wave 6 there were 11 cases for K cohort and four cases for the B cohort. In Wave 7 there were seven cases for B cohort and 41 cases or K cohort. N/A = Not administered. Also in Wave 7 an 'in-between' wave activity was conducted to address the increase in refusals, hence W7.25 was developed.
f Introduced first time in K cohort.
g Parent CATI was introduced in Wave 8 K cohort and was the only mode of survey administration for all parents.
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