Items | Means (95% CI) | Correlation coefficient between oral moisture and total score |
---|---|---|
1. Self-perceived levels of dry mouth | ||
 1.I feel dryness in my mouth | 2.09 (2.00–2.18) | – |
 2.I feel dryness in my lips | 2.00 (1.91–2.08) | |
 3.I feel that my gums are swollen, hurt, or have a burning sensation | 1.31 (1.25–1.37) | |
 4.I need fluids (e.g., soup or water) to help me swallow my food | 1.92 (1.82–2.01) | |
 5.I need to get up at night to drink water | 2.07 (1.97–2.17) | |
 6.I often feel like my mouth is dry after having a meal | 1.72 (1.65–1.80) | |
 7.I have difficulty eating food with no water content | 1.93 (1.83–2.02) | |
 8.I feel dryness in my nose | 1.36 (1.30–1.42) | |
 9.I feel dryness in my eyes | 1.65 (1.58–1.73) | |
 Total score | 16.02 (15.57–16.50) | −0.06 |
 2. Oral moisture measurement | 27.97 (27.63–28.31) | 1 |
 3. Repetitive saliva swallowing test | 2.97 (2.84–3.11) | 0.17** |