From: The use and misuse of ratio and proportion exposure measures in food environment research
 | Unhealthy food stores | Healthy food stores | Ratio (unhealthy: healthy) | Proportion (healthy: all food stores) |
---|---|---|---|---|
Area 1 | 1 x chain fast food restaurant | 2 x greengrocer (fruit and vegetable store) | 0.5 | 0.66 |
Area 2 | 1 x small takeaway food store (e.g. independent pizzeria) | 1 x mid-size supermarket (grocery store) | 1 | 0.5 |
Area 3 | 1 x chain fast food restaurant 2 x convenience stores 2 x small takeaway food stores | 1 x large supermarket 1 x fruit and vegetable market 1 x ethnic grocery store | 1.67 | 0.375 |