2.
Challenges in Recruiting Special Groups in Internet Panel Research Miquelle Marchand & Corrie Vis

3. Presentation Layout The LISS panel Who are difficult to reach
Presentation Layout
The LISS panel
Who are difficult to reach
When do people fall out
Why are these people difficult to reach
People without computer/Internet
Differences in attitudes

4. LISS panel Online panel of 5000 households
LISS panel
Online panel of 5000 households
8000 individuals (>= 16 years)
Online interviews as method, but:
Probability sample drawn from address sampling frame of SN
Includes household without internet access (less than 15%): Equipment
Contacted by letter, telephone or visit;
Mensen zijn ook nog de optie aangeboden om mee te doen dmv een papieren vragenlijst, dit heeft toch nog zo’n 500 huishoudens opgeleverd!

5. Households without internet Households with internet
Recruitment
Letter and brochure
Panel question
Short interview
Confirmation
Households without internet
Households with internet
SimPC and adsl
Internet interviews

6. Households without internet
Households without internet
SimPC

7. Final mode of recruitment interview
Final mode of recruitment interview
N=8407
Panel participation %
Total
Yes No
Final mode
Cati
63.8
48.7
58.0
F2F
25.4
12.2
20.3
Papi
10.6
39.1
21.5
Cawi .2 .1
61.9
38.1
100.0

8. LISS panel compared to population
LISS panel compared to population
Group
LISS Panel %
Population
Bias
Age >=70 7 13 -6
Living alone 15 20 -5
Non-western immigrant 4 -3
Has Internet access 93 85 +8

9. Who, When, Why Who When at what stage in the recruiting process
Who, When, Why
Who
When
at what stage in the recruiting process
- no contact
- no interview
- not in panel
- not registered
Why
coding of reasons given

10. Analyses by SN on hh level
Analyses by SN on hh level
contact
interview
agree to panel
join panel
Young hh x
Old hh
Single person hh
1st gen. imm. hh
2nd gen. nw-imm.

11. Reasons for not participating in the interview vs. panel
Reasons for not participating in the interview vs. panel
N = 1429
no interview
No time %
Out of principle %
Too old %
Other reasons 9.0 %
No need %
Privacy %
Not interested 4.8 %
Surveys not meaningful 4.5 %
No reason %
Illness %
No telephone interviews 3.3 %
Suspicious 2.0 %
Death/illness family member 2.0 %
Too many surveys 1.3 %
No pc/Internet 1.3 %
N = 1505
not agree panel
No time %
Too old %
Not willing to commit 13.7 %
Other reasons %
Out of principle 8.5 %
Not want a computer 6.6 %
Privacy %
Computer illiterate 5.2 %
Illness %
Surveys not meaningful 3.2 %
Physically impaired 2.8 %
Language problems 2.1 %
Suspicious 1.2 %
Don’t know 1.1 %

12. Elderly: why not willing to participate in panel?
Elderly: why not willing to participate in panel?
Age
< ≥ 80
1 no time 55,7% 25,9% 5,1% 5,0%
2 too old ,5% 12,7% 20,0%
3 illness 1,6% 3,2% 3,4% 13,3%
4 fysically impaired ,5% 5,1% 8,3%
5 language problems 1,6% 2,3%
6 computer illiterate 5,0% 22,9% 10,0%
7 not want a computer 6,4% 11,0% 10,0%
8 suspicious 1,6% ,8%
9 privacy 3,6% 1,7%
10 out of principle 3,3% 7,7% 4,2% 3,3%
11 surveys not meaningful 4,9% 5,5% 1,7%
12 not willing to commit 33,3% 6,6% 11,4% 9,3% 5,0%
13 other 66,7% 18,0% 25,9% 19,5% 23,3%
14 dont know 6,6% 2,3% 2,5% 1,7%

13. Immigrants: why not willing to participate in panel?
Immigrants: why not willing to participate in panel?
origin
western non-western immigrants immigrants
1 no time 18,2% 32,1%
2 too old 6,8%
3 illness 6,8% 3,6%
4 fysically impaired 2,3% 3,6%
5 language problems 2,3% 21,4%
6 computer illiterate 13,6% 3,6%
7 not want a computer 11,4%
8 suspicious
9 privacy 2,3%
10 out of principle 7,1%
11 surveys not meaningful 2,3% 7,1%
12 not willing to commit 6,8% 3,6%
13 other 27,3% 17,9%
14 dont know

14. People without computer/Internet: SimPC
People without computer/Internet: SimPC
Having a computer with Internet access does not differ between western/non western immigrants
Having a computer without Internet access does not differ between western/non western immigrants
Having a computer with Internet access increases with age
Having a computer without Internet access increases with age
Offering a SimPC helps to improve representativity

15. Attitudes for registered and non-registered people
Attitudes for registered and non-registered people

16. Attitude differences on religion
Attitude differences on religion
Elderly: Attitude on religion

17.
Recommendations
Use tailored strategies, with specific efforts at specific stages of the recruitment.
Offer a simple computer device and/or Internet