Table 1 Description of data collection,...

Table 1

Description of data collection, samples and weighting

	Time	Response	Sample type	Population	Sample size	Final sample	Mean weight
Green League (GL)	Apr 2016	Internet	1	6,951	6,034	1,653	0.23
Social Democratic Party (SDP)	Jun 2016	Internet and mail	2	40,754	5,000	1,540	1.61
Centre Party of Finland (CPF)	Jun 2016	Internet and mail	2	1,01,618	22,097	3,967	1.56
Left Alliance (LA)	Aug 2016	Internet and mail	2	10,173	6,764	2,384	0.26
Finns Party (FP)	Sep 2016	Internet and mail	2	9,520	6,022	1,932	0.30
National Coalition Party (NCP)	Sep 2016	Internet	3	35,000	5,000	951	2.24
Total				2,04,016	50,917	12,427

	Time	Response	Sample type	Population	Sample size	Final sample	Mean weight
Green League (GL)	Apr 2016	Internet	1	6,951	6,034	1,653	0.23
Social Democratic Party (SDP)	Jun 2016	Internet and mail	2	40,754	5,000	1,540	1.61
Centre Party of Finland (CPF)	Jun 2016	Internet and mail	2	1,01,618	22,097	3,967	1.56
Left Alliance (LA)	Aug 2016	Internet and mail	2	10,173	6,764	2,384	0.26
Finns Party (FP)	Sep 2016	Internet and mail	2	9,520	6,022	1,932	0.30
National Coalition Party (NCP)	Sep 2016	Internet	3	35,000	5,000	951	2.24
Total				2,04,016	50,917	12,427

Note(s): Sample types

1 = Total sample from email register

2 = Simple random sample from postal and email register

3 = Total sample from email register

Source(s): Table created by authors