Contact informationBack


  Date of survey : April 22 – May 7, 2008
  Survey method : Telephone survey with interviewers
  Target population : Local SMEs of all sectors in Hong Kong. According to the Dun & Bradstreet Hong Kong Database Census, there are currently more than 230,000 SMEs operating in Hong Kong
  Sampling method :
The contacts were randomly drawn from the D&B HK Database, supplemented by the SME Directory maintained by the Hong Kong Trade Development Council. Duplicated numbers were filtered, and the remaining numbers were mixed in random order to produce the final sampling frame.
  Sample size : 503 successful cases
  Overall Response rate : 66.4%
  Std. sampling error : Less than2.2%

Table 1 Calculation of effective response rate

   Overall Response rate
= [ Successful cases / (Successful cases + Partial interview + Refusal cases by eligible respondents + Refusal cases by prorated-eligible respondents) ]
= [ 503 / ( 503 + 1+ 7 + 265[(503 + 1+ 7) / (503 + 1+ 7+ 38)]* ) ]
= 66.4%
*Figure obtained by prorata

Table 2 Breakdown of contact information of the survey
 

Frequency

Percentage

Respondents' ineligibility confirmed

411

16.6 %

Fax/ data line

37

1.5%

Invalid number

320

12.9%

Call-forwarding/ mobile/ pager number

3

0.1%

Special technological difficulties

13

0.5%

No eligible respondents (e.g. non-SME)

38

1.5%

 

 

 

Respondents' eligibility not confirmed

1,189

47.9 %

Line busy

12

0.5%

No answer

159

6.4%

Answering device

27

1.1%

Call-blocking

7

0.3%

Language problem (i.e. non-Cantonese)

76

3.1%

Interview terminated before the screening question

265

10.7%

Others

643

25.9%

 

 

 

Respondents' eligibility confirmed, but failed to complete the interview

378

15.2 %

Company-level refusal

7

0.3%

Known respondent refusal

0

0.0%

Appointment date beyond the end of the fieldwork period

370

14.9%

Partial interview

1

0.0%

Miscellaneous

0

0.0%

 

 

 

Successful cases

503

20.3%

 

 

 

Total

2,481

100.0%