Skip to main content

Table 3 Ratio and proportion values when the numerator or denominator value contains a zero

From: The use and misuse of ratio and proportion exposure measures in food environment research

  Number of unhealthy food stores (numerator) Number of healthy food stores (ratio denominator) Ratio (unhealthy: healthy) Proportion (unhealthy: all food stores)
Area 1 0 1 0 0
Area 2 0 3 0 0
Area 3 1 0 Undefined 1
Area 4 7 0 Undefined 1
Area 5 0 0 Undefined Undefined