Redesigning the LFS at Statistics Netherlands May 17, 2018 Björn Janssen
Contents - Brief history - Current LFS - Improvement opportunities - Future LFS
Brief history Cawi Cati Capi Paper Labour Force (145.000) Crime (85.000) Consumer Confidence (25.000) Health (17.000) Working Conditions (144.000) ICT (9.200) Adult Education (7.100) Income & Living Cond. (14.000) School Leavers (157.000) Social Cohesion (12.000) Opinions & Lifestyle (6.300) Housing (114.000) Mobility (238.000) Life Style Monitor (17.000)
Design current LFS - Household sample / monthly sample / not mandatory - All household members aged 15+ should participate (proxy) Q1 Q2 Q3 Q4 Q5 Cawi Willing = Y ? Cati Y ? Cati Y ? Cati Y ? Cati Cawi Cati Capi Month t M t+1 M t+ 2 Q1 - Sliding reference week Discard random Non-response Willing = Y ? Cati Capi Willing = Y ?
Improvements - Increase response levels - Compensate for decreasing quality of telephone numbers - Cawi in waves 2 - 5 - Reduce questionnaire lenght - Reduce influence of proxy datacollection - Improved lay-out of questionnaire - More even distribution of responses
Improvements (current distribution)
Future design LFS - Sample of persons (11 % increase response) - Weekly samples cawi first wave - Weekly cati approach cawi non-response - Capi unchanged - Cawi non-response discarded selectively - Cawi in waves 2 – 5 cati follow-up - Approach by e-mail in waves 2 – 5 - Questionnaire tailored for mobile devices - Blaise 5.3 …. / Phoenix
Future design LFS (weekly samples) Cawi Cati Capi Cawi Cawi Cawi Capi Cati Cawi Cawi Cawi Cawi Cawi Cawi t-1 t t+1 t+2 t+3 t+4 t+5 t+6 Week
Improvements (distribution after)
Non-response discarded selectively Health survey Western: group 1 to 6 Income High Low Age / Pop dens 1 2-5 0-11 5 6 12-24 2 25-64 3 4 65+ Non Western: group 7 to 9 Group Age 7 25-64 8 12-24 9 0-11 of 65+
Non-response discarded selectively group % r cawi % to capi % r capi % r total 1 43 56 49 58 2 25 95 47 3 38 71 42 57 4 23 100 5 39 44 65 6 37 66 48 7 19 31 8 20 52 9 29 Low income Low income Non western Non western
In conclusion - Increase in response level - Better representation of the target population - More even distribution of responses over time - Shorter questionnaires with better lay-out - Very interested in the experiences of other agencies