Contact informationBack
Date of survey |
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October 8 to 10, 2012 |
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Survey method |
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Telephone survey conducted by telephone interviewers |
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Target population |
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Hong Kong residents aged 18 to 64 who speak Cantonese |
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Sampling method |
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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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Sample size & effective response rate |
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523 successful cases, the effective response rate is 68.4% |
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Std. sampling error |
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Less than 2.2% (at 95% confidence level, the maximum sampling error of all percentages should be no more than +/-4.4 percentage points) |
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