| Non-psychological stress (n=73) | Psychological stress (n=68) |  |
---|---|---|---|
Mean ± SD or n (%) | Mean ± SD or n (%) | p-value | |
Demographics | |||
 Male a | 11 (15.1%) | 13 (19.1%) | 0.655 |
 Female a | 62 (84.9%) | 55 (80.9%) |  |
 Age (years) b | 56.03 ± 14.90 | 56.39 ± 12.89 | 0.875 |
Clinical characteristics | |||
 VAS b | 4.82 ± 2.00 | 5.76 ± 1.89 | 0.005** |
 Symptom duration (months) b | 25.38 ± 53.37 | 43.13 ± 131.34 | 0.289 |
 Chronic condition a | 35 (47.9%) | 37 (54.4%) | 0.501 |
 Xerostomia a | 25 (34.2%) | 46 (67.6%) | <0.001*** |
 Sleep problem a | 31 (42.5%) | 33 (48.5%) | 0.290 |
Salivary flow rate | |||
 UFR (mL/min) b | 0.91 ± 0.53 | 0.66 ± 0.59 | 0.008** |
 SFR (mL/min) b | 1.51 ± 0.77 | 1.26 ± 0.88 | 0.079 |