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. 2021 Nov 25;13(12):4235. doi: 10.3390/nu13124235

Table 2.

Comparison of participants’ background characteristics between the participants stratified by the absence/presence of xerostomia.

Background Characteristics STUDY GROUPS Significance
Non-Xerostomia (%) Xerostomia N (%)
Sex
    Males 439 (34.0) 26 (23.2) 0.021 ^
    Females 854 (66.0) 86 (76.8)
Age (in full years)
    Mean (sd) 54.4 (11.8) 60.5 (10.4) <0.001 #
    Median (IQR) 55.0 (21) 63.0 (15)
Residence
    Urban 917 (70.9) 89 (79.5)
    Peri-urban 227 (17.6) 11 (9.8) 0.093 ^
    Rural 149 (11.5) 12 (10.7)
Education (in years)
    Mean (SD) 14.8 (3.3) 14.0 (3.0)
    Median (IQR) 15.0 (5) 14.0 (4) 0.032 #

^ Chi-square test (categorical variables); # Mann–Whitney U test.