Contact informationBack

 

Date of survey

:

November 15 to 16, 2012

 

Survey method

:

Telephone survey conducted by telephone interviewers

 

Target population

:

Hong Kong residents aged 18 or above who speak Cantonese

 

Sampling method

:

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.

 

Sample size & overall response rate

:

510 successful cases, the overall response rate is 64.3%

 

Std. sampling error

:

Less than 2.2% (at 95% confidence level, the maximum sampling error of all percentages should be no more than +/-4.4 percentage points)