Group Gathering Prohibition Index (GGPI) Appendix 1

Appendix 1: Summary table for the contact information of the Benchmark Surveys

Survey year 2021
Benchmark Survey First Second Third Fourth Fifth Sixth Seventh Eighth Ninth
Survey date 18/1 15:00

25/1 15:00
25/1 15:00

18/2 15:00
18/2 15:00

24/2 15:00
24/2 15:00

1/3 15:00
1/3 15:00

8/3 15:00
8/3 15:00

22/3 15:00
22/3 15:00

29/3 15:00
16/4 15:00

21/4 15:00
17/5 15:00

24/5 15:00
Total sample size 4,821 4,950 6,542 6,605 5,606 6,210 6,806 6,330 6,583
Response rate 5.0% 5.2% 6.8% 6.9% 5.9% 6.5% 7.2% 6.7% 7.0%
Survey year 2021 2022
Benchmark Survey Tenth Eleven Twelve Thirteen Fourteen Fifteen Sixteen Seventeen Eighteen
Survey date 18/6 15:00

23/6 15:00
16/7 15:00

21/7 15:00
16/8 15:00

23/8 15:00
13/9 15:00

20/9 15:00
18/10 15:00

25/10 15:00
23/11 15:00

29/11 15:00
17/12 15:00

27/12 15:00
17/1 15:00

24/1 15:00
14/2 15:00

18/2 19:00
Total sample size 6,158 5,636 7,456 6,210 5,974 5,888 5,063 5,043 4,984
Response rate 6.6% 6.1% 8.1% 6.8% 6.6% 6.6% 5.7% 5.7% 5.7%
Survey year 2022
Benchmark Survey Nineteenth Twentieth Twenty-First Twenty-Second Twenty-Third Twenty-Fourth
Survey date 11/3 15:00

16/3 15:00
14/4 15:00

22/4 15:00
11/5 15:00

25/5 19:00
20/6 15:00

30/6 15:00
15/7 15:00

5/8 15:00
16/9 15:00

7/10 15:00
Total sample size 6,324 4,151 4,801 4,866 3,821 4,832
Response rate 7.2% 4.8% 5.6% 5.7% 4.5% 5.7%
Survey method Online survey
Target population Hong Kong residents aged 12+
Sampling error Sampling error of percentages at +/-1% at 95% confidence level
Weighting method Rim-weighted according to 1) gender-age distribution, educational attainment (highest level attended) distribution and economic activity status distribution of Hong Kong population from Census and Statistics Department; 2) appraisal of political condition and political inclination distribution from regular tracking surveys.
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