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Date of survey |
: |
23-25 June 2003 |
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Target population |
: |
Cantonese-speaking population of Hong Kong aged 18 or above |
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Survey method |
: |
Telephone survey with interviewers |
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Sampling method |
: |
Standard POP telephone sampling method was used. Telephone numbers were selected randomly from residential telephone directories and mixed with additional numbers generated by the computer. If more than one subject had been available, the one who had his/her birthday next was selected. |
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Weighting method |
: |
The data reported have been adjusted according to the age and gender distributions of the Hong Kong population as reported in the 2001 Population Census. |
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Sample size |
: |
1,032 successful cases |
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Response rate |
: |
65.2% |
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Standard sampling error |
: |
Less than 1.6% |
