Study design was categorized in order of scientific rigor, moving from case series to randomized trial.
For 15 persons whose pain was categorized in person by 2 investigators, strength of agreement was also substantial (κ=.66).
The Golden-naped Tanager was categorized in Species Group 9 along with T. labradorides (Metallic-green Tanager) and T. cyanotis (Blue-browed Tanager).
Based on the percentage of progressively motile spermatozoa, semen was categorized in three groups, high (I: >75%), intermediate (II: 50 70%) or low (III: <50%) quality.
It was categorized in patterns A, B o AB.
Growth of C. cohnii was categorized in three distinct stages.
Also in both stations, water was categorized in hard water class with medium salinity hazard.
Wealth status in the study area was categorized in terms of livestock holding.
Time was also a limitation factor in constructing the score, because exposure time was categorized in a subjective way, trying to categorize time as homogeneously as possible.
In our study, credit rationing was categorized in four types, 24%% of them were unconstrained non-borrowers, 28%% unconstrained borrowers, 19%% quantity rationed and 29%% risk rationed borrowers.
Age was categorized in five year increments.
