Contact InformationBack

 

Date of survey

:

October 10 to November 17, 2011
 

Survey method

:

Telephone survey conducted by telephone interviewers

 

Target population

:

Cantonese speaking women who are raising at least one infant aged 36 months old or younger
 

Sampling method

:

Telephone numbers were selected randomly from residential telephone directories and mixed with additional numbers generated by the computer. If more than one eligible subject had been available, the one who had her birthday next was selected.

 

Sample size

:

507successful cases

 

Effective response rate

:

54.1%

 

Std. sampling error

:

At 95% confidence level, the maximum sampling error of all percentages should be no more than +/-4.4 percentage points