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Table 2 Distribution of predictors-comparisons among the control versus xerostomia, and control versus Sicca syndrome groups

From: Detection of xerostomia, Sicca, and Sjogren’s syndromes in a national sample of adults

Predictors Study groups
Control
N (%)
Xerostomia N (%) Significance1 Control
N (%)
Sicca syndrome
N (%)
Significance1
Gender 1293 112   1293 8  
Males 440 (34.0) 26 (23.2) 0.020 440 (34.0) 0 (0.0) 0.043
Females 853 (66.0) 86 (76.8) 853 (66.0) 8 (100.0)
Age groups 1293 112   1293 8  
Younger (35–46 years) 387 (29.9) 12 (10.7)  < 0.001 387 (29.9) 0 (0.0) 0.007
Middle (47–60 years) 460 (35.6) 33 (29.5) 460 (35.6) 1 (12.5)
Older (61–74 years) 446 (34.5) 67 (59.8) 446 (34.5) 7 (87.5)
Residence 1293 112   1293 8  
Urban 917 (70.9) 89 (79.5) 0.093 917 (70.9) 8 (100.0) 0.355
Peri-urban 227 (17.6) 11 (9.8) 227 (17.6) 0 (0.0)
Rural 149 (11.5) 12 (10.7) 149 (11.5) 0 (0.0)
Education 1293 112   1293 8  
Secondary or less 500 (38.7) 57 (50.9) 0.040 500 (38.7) 4 (50.0) 0.903
College 336 (26.0) 23 (20.5) 336 (26.0) 2 (25.0)
University and higher 457 (35.3) 32 (28.6) 457 (35.3) 2 (25.0)
Systemic diseases 1293 112   1293 8  
None 638 (49.3) 22 (19.6)  < 0.001 638 (49.3) 0 (0.0) 0.006
One 521 (40.3) 58 (51.8) 521 (40.3) 7 (87.5)
Two+ 134 (10.4) 32 (28.6) 134 (10.4) 1 (12.5)
Use of medications 1293 112   1293 8  
None 574 (44.4) 14 (12.5)  < 0.001 574 (44.4) 0 (0.0) 0.022
One 586 (45.3) 67 (59.8) 586 (45.3) 7 (87.5)
Two+ 133 (10.3) 31 (27.7) 133 (10.3) 1 (12.5)
Body Mass Index 1293 112   1293 8  
 ≤ 25.0 471 (36.4) 31 (27.7) 0.057 471 (36.4) 3 (37.5) 0.552
25.1–29.9 434 (33.6) 36 (32.1) 434 (33.6) 4 (50.0)
 ≥ 30.0 388 (30.0) 45 (40.2) 388 (30.0) 1 (12.5)
Smoking 1293 112   1293 8  
No 981 (75.9) 87 (77.7) 0.667 981 (75.9) 7 (87.5) 0.688
Yes 312 (24.1) 25 (22.3) 312 (24.1) 1 (12.5)
Alcohol use 1293 112   1293 8  
No 510 (39.4) 50 (44.6) 0.281 510 (39.4) 5 (62.5) 0.277
Yes 783 (60.6) 62 (55.4) 783 (60.6) 3 (37.5)
Self-perceived stress 1130 95   1130 8  
Low 367 (32.5) 16 (16.8)  < 0.001 367 (32.5) 1 (12.5) 0.511
Medium 695 (61.5) 67 (70.5) 695 (61.5) 4 (50.0)
High 68 (6.0) 12 (12.6) 68 (6.0) 3 (37.5)
  1. 1 Chi-square or Fischer's Exact test when requirements were not met