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Table 3 Comparison of spoiled kit rates between the DVD and the usual participant reminder letter groups by ethnicity

From: A targeted promotional DVD fails to improve Māori and Pacific participation rates in the New Zealand bowel screening pilot: results from a pseudo-randomised controlled trial

  DVD group Spoiled kit rate outcome
Spoiled kit Not spoiled kit Total Spoiled kit rate Difference (95% C.I.)
Māori Sent DVD 18 127 145 12.4% 20.7% (13.4–28.1%)
Not sent DVD 112 226 338 33.1%
Pacific Sent DVD 32 114 146 21.9% 20.2% (11.4–28.9%)
Not sent DVD 122 168 290 42.1%
Both Sent DVD 50 241 291 17.2% 20.1% (14.3–25.8%)
Not sent DVD 234 394 628 37.3%