Education was categorized to three groups; Illiterate, under diploma and higher than diploma.
Marital status was categorized to three groups: 1) married, 2) divorced, separated, or widowed, and 3) single.
Based on the data sources utilized, these studies can be categorized to eight groups, as shown in Table 1.
According to the external diameter, arterials were categorized to three groups as diameter between 25 50 μm, 51 100 μm, and 101 500 μm.
Participants were categorized to six groups according to the presence of known or newly diagnosed DM and CHD at baseline (DM-/CHD-, DM-/CHD+, NDM+/CHD+, NDM+/CHD+, KDM+/CHD-, KDM+/CHD+) and Cox regression analysis were used to estimate the hazard ratio (HR) of CHD events for these DM/CHD groups, given DM-/CHD-as the reference.
Physical activity was categorized to three groups; vigorous, those who had hard physical activity (leisure time or occupational) at least three times a week; moderate, those who had hard physical activity at least once a week regularly; none, those without any regular hard physical activity.
According to their expression pattern under cold stress, the 472 DEGs were categorized in to two groups, including 393 and 79 DEGs, respectively.
Participants were asked 24 questions to assess their knowledge on reproductive and sexual rights, and they were categorized in to two groups based on their score in relation to the mean.
Displaced households were categorized into to two groups: those displaced outside their governorate (44.8 %, CI: 42.6 47.0) and those displaced within their governorate (37.7 %, 35.5 39.8); these proportions varied substantially by governorate.
The J-CAPRA score was also categorized to identify three groups at low- (0 to 2 points; 459 patients), intermediate- (3 to 7 points; 190 patients) and high- (8 to 12 points; 0 patient) risk of recurrence.
