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Table 1 Study web-search results prior to recruitment (March–May 2003) using contact data from 1995–1997

From: Predictors of locating women six to eight years after contact: internet resources at recruitment may help to improve response rates in longitudinal research

 

Population density of the region

  

Study address status*

Low (n = 750)

High (n = 750)

Full Sample (n = 1,500)

 

n

(%)

n

(%)

n

(%)

No change

501

(66.8)

529

(70.5)

1030

(68.7)

New address

87

(11.6)

19

(2.5)

106

(7.1)

Possible address

53

(7.1)

82

(10.9)

135

(9.0)

Unable to determine

109

(14.5)

120

(16.0)

229

(15.3)

  1. *Address status as determined by March–May 2003 web-search [10-12].
  2. Low population density = Oxford County, population density = 49/km2; high population
  3. density = East York within Toronto, population density = 5,418/km2 [9].
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BMC Medical Research Methodology

ISSN: 1471-2288

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