Contact InformationBack
| 2012 First Round | |
|
Contact Information |
Date of survey |
: | 16 -19 January, 2012 |
Survey method |
: | Random telephone survey by real interviewers |
Target population |
: | Cantonese-speaking population of age 18 or above |
Sampling method |
: | Telephone numbers were selected randomly from telephone directories and mixed with additional numbers generated by the computer. After successfully reached the target household, the 「birthday rule」 will be applied to choose one of the household members for interview |
Sample Size |
: | 1,022 successful cases |
Response rate |
: | 66.1% |
Standard error |
: | Less than 1.6%, i.e. +/-3.1% at 95% confidence level |
| 2012 First Round | |
