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APPENDIX 1 OMNIBUS SAMPLING POINTS
WEST
Argyll and Bute
Ayr, Carrick and Cumnock
Central Ayrshire
Coatbridge, Chryston and Bellshill
Cumbernauld, Kilsyth and Kirkintilloch East
Dumfries and Galloway
East Dunbartonshire
East Kilbride, Strathaven and Lesmahagow
East Renfrewshire
Glasgow East
Glasgow North
Glasgow North East
Glasgow North West
Glasgow South
Inverclyde
Kilmarnock and Loudoun
Lanark and Hamilton East
Motherwell and Wishaw
North Ayrshire and Arran
Paisley and Renfrewshire North
Paisley and Renfrewshire South
Rutherglen and Hamilton West
Stirling
West Dunbartonshire
EAST
Berwickshire, Roxburgh and Selkirk
Dumfriesshire, Clydesdale and Tweeddale
Dundee East
Dundee West
Dunfermline and West Fife
East Lothian
Edinburgh East
Edinburgh North and Leith
Edinburgh South
Edinburgh South West
Edinburgh West
Falkirk
Glenrothes
Kirkcaldy and Cowdenbeath
Linlithgow and East Falkirk
Livingston
Midlothian
North East Fife
Ochil and South Perthshire
Perth and North Perthshire
NORTH
Aberdeen North
Aberdeen South
Banff and Buchan
Gordon
Inverness, Nairn, Badenoch and Strathspey
Moray
Ross, Skye and Lochaber
West Aberdeenshire and Kincardine
APPENDIX 2 MAY OMNIBUS
QUESTIONNAIRE
APPENDIX 3 CONFIDENCE INTERVALS
/ MARGINS OF ERROR
The tables below indicate the likely margins of error
attached to the omnibus survey results. The first table
details the likely margins of error for a selection of
example sample sizes and results, whilst the second table
provides margins of error for demographic sub-groups within
the overall May in-home omnibus sample.
For 19 out of 20 randomly selected samples (
i.e. 95% of cases) the percentage giving any
particular answer would fall within the range indicated.
For example, given a sample of 100, an answer of 20% can be
expected to be accurate to within +/- 8%,
i.e. we can be 95% certain that the true
figure will lie in the range of 12% - 28%.
These margins theoretically apply only in the case of
random samples. For quota samples, such as that of the
in-home omnibus, they can be assumed to be larger, but it
is not possible to calculate the exact levels.
Table 1 Frequency of occurrences (percentages
giving particular answer) - 95% confidence levels (+/-
x%).
Example Sample Sizes (n) | Results |
|---|
1% or 99% | 10% or 90% | 20% or 80% | 30% or 70% | 40% or 60% | 50% |
|---|
10 | 6.3 | 18.9 | 25.3 | 28.9 | 30.9 | 31.6 |
|---|
50 | 2.8 | 8.5 | 11.3 | 12.9 | 13.9 | 14.1 |
|---|
100 | 1.9 | 6.0 | 8.0 | 9.2 | 9.8 | 10.0 |
|---|
200 | 1.4 | 4.2 | 5.7 | 6.5 | 6.9 | 7.1 |
|---|
300 | 1.1 | 3.5 | 4.6 | 5.3 | 5.7 | 5.8 |
|---|
400 | 0.9 | 3.0 | 4.0 | 4.6 | 4.9 | 5.0 |
|---|
500 | 0.8 | 2.7 | 3.6 | 4.1 | 4.4 | 4.5 |
|---|
750 | 0.7 | 2.2 | 2.9 | 3.3 | 3.6 | 3.7 |
|---|
1,000 | 0.6 | 1.9 | 2.5 | 2.9 | 3.1 | 3.2 |
|---|
Table 2 Frequency of occurrences by demographic
sub-group within May in-home omnibus - 95% confidence
levels (+/- x%).
Sub Group | Sample Sizes (n) | Results |
|---|
1% or 99% | 10% or 90% | 20% or 80% | 30% or 70% | 40% or 60% | 50% |
|---|
Gender |
|---|
Male | 523 | 0.9 | 2.6 | 3.5 | 4.0 | 4.3 | 4.4 |
|---|
Female | 519 | 0.9 | 2.6 | 3.5 | 4.0 | 4.3 | 4.4 |
|---|
Age |
|---|
16 to 24 | 147 | 1.6 | 4.9 | 6.6 | 7.6 | 8.1 | 8.2 |
|---|
25 to 34 | 178 | 1.5 | 4.5 | 6.0 | 6.9 | 7.3 | 7.5 |
|---|
35 to 44 | 201 | 1.4 | 4.2 | 5.6 | 6.5 | 6.9 | 7.1 |
|---|
45 to 54 | 179 | 1.5 | 4.5 | 6.0 | 6.9 | 7.3 | 7.5 |
|---|
55 to 64 | 133 | 1.7 | 5.2 | 6.9 | 7.9 | 8.5 | 8.7 |
|---|
65+ - | 204 | 1.4 | 4.2 | 5.6 | 6.4 | 6.9 | 7.0 |
|---|
Socio economic group (
SEG) |
|---|
AB | 207 | 1.4 | 4.2 | 5.6 | 6.4 | 6.8 | 7.0 |
|---|
C1 | 281 | 1.2 | 3.6 | 4.8 | 5.5 | 5.8 | 6.0 |
|---|
C2 | 182 | 1.5 | 4.4 | 5.9 | 6.8 | 7.3 | 7.4 |
|---|
D | 219 | 1.3 | 4.1 | 5.4 | 6.2 | 6.6 | 6.8 |
|---|
E | 153 | 1.6 | 4.9 | 6.5 | 7.4 | 7.9 | 8.1 |
|---|
Area |
|---|
West | 481 | 0.9 | 2.7 | 3.6 | 4.2 | 4.5 | 4.6 |
|---|
East | 400 | 0.9 | 3.0 | 4.0 | 4.6 | 4.9 | 5.0 |
|---|
North | 181 | 1.5 | 4.5 | 5.9 | 6.8 | 7.3 | 7.4 |
|---|
APPENDIX 4 COPY OF DATA
TABULATIONS
Download spreadsheet 1 (Excel
Format)
Download spreadsheet 2 (Excel
Format)
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