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Table 3 Association between recruitment strategy and response rate: comparing exposed and non-exposed districts, to different strategies

From: Involving hard-to-reach ethnic minorities in low-budget health research: lessons from a health survey among Moluccans in the Netherlands

  Number of districts (N) Response rate (%)
Exposed Non-exposed Exposed Non-exposed
Indirect recruitment strategy
 Announcement letter 14 5 25.5 19.8
 Information meeting 7 12 24.1 24.1
 Local media 6 13 23.0 24.6
 Social media 10 9 20.6 28.5
Direct recruitment strategy
 Door-to-door collection 5 14 31.8 21.2
 Involvement of community organizations 3 16 21.8 24.5
Other strategies
 “Active” key informantsa 9 10 30.0 18.1
  1. Response rates with more than 5 % increase between exposed and non-exposed communities are presented in italics
  2. aKey informants were considered to be ‘active’ if they made major effort during the recruitment process (see text for the details)