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Table 2 Inter-rater reliability of measures for collecting retailer characteristics

From: Classification bias in commercial business lists for retail food stores in the U.S.

Measure Statistics Reliability Proportional agreement
Number of cash registers Intra Class Correlation 0.87 N/A
Does the store sell/have fresh milk Simple Kappa 0.94† 0.94
Does the store sell/have fresh meats Simple Kappa 0.93†† 0.96
Does the store have a fresh produce section Simple Kappa 0.97§ 0.99
Number of different types of fresh fruits and vegetables Intra Class Correlation 0.91‡ N/A
Does the store have a pharmacy Simple Kappa 1.00 0.97
Does the store have a bank Simple Kappa 0.92 0.89
Does the storehave a bakery Simple Kappa 0.95 0.77
Does the storehave a deli Simple Kappa 0.89 0.96
Does the storehave a butcher or section for unpackaged, fresh meat Simple Kappa 0.75 0.94
  1. This is the average reliability for the availability of the four different milk types.
  2. †† This is the average reliability for the availability of regular ground beef and lean ground beef.
  3. This is the average reliability for the availability of eight different fresh fruit and vegetable items.
  4. § This is the average reliability for count of fresh fruits and count of fresh vegetables.