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Table 5 The total variance explained by shorter versions of the Finnish method in comparison to the full Finnish method

From: Short screening tools for risky drinking in Aboriginal and Torres Strait Islander Australians: modified AUDIT-C and a new approach

   Number of occasions used to estimate frequency of drinking
1 (%) 2 (%) 3 (%) 4 (%)
Number of occasions used to estimate quantity per drinking occasion  1 95.9 95.9 96.1 96.6
 2 98.6 98.6 98.8 99.7
 3 98.6 98.6 98.8 99.6
 4 98.8 98.8 99.0 100.0
  1. n = 184
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