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Date of Survey

:

  August 30 to September 22, 2011

 

Sample Size

:

  1,003

 

Survey Method

:

  Random telephone survey with real interviewers.

 

Target population

:

  Full-time working population aged 15 or above

 

Effective response rate

:

  73.4%

 

Standard error

:

  less than 1.6% (i.e. +/-3.2% at 95% confidence level)