Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Measurements
2.2.1. Oral Functions
2.2.2. Grip Strength and Walking Speed
2.2.3. Other Variables
2.3. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Survey Items | Median (IQR) | p-Value | |||
---|---|---|---|---|---|
Men (n = 254) | Women (n = 257) | ||||
Oral wetness | 28.4 | (26.4–30.1) | 27.5 | (25.4–29.4) | <0.01 |
Occlusal force (N) | 342.0 | (148.1–550.1) | 272.4 | (134.8–455.5) | 0.02 |
Tongue-lip motor function /pa/ (times per second) | 6.0 | (5.2–6.5) | 6.2 | (5.8–6.6) | <0.01 |
Tongue-lip motor function /ta/ | 6.0 | (5.2–6.4) | 6.0 | (5.4–6.6) | 0.04 |
Tongue-lip motor function /ka/ | 5.4 | (4.6–6.0) | 5.6 | (5.2–6.2) | <0.01 |
Tongue pressure (kPa) | 27.1 | (22.4–33.2) | 27.2 | (21.9–32.0) | 0.63 |
Masticatory performance | 6.0 | (3.0–7.0) | 5.0 | (2.0–7.0) | 0.01 |
Swallowing function | 5.0 | (4.0–6.0) | 4.0 | (2.0–5.0) | <0.01 |
Number of remaining teeth | 23.0 | (15.0–26.3) | 22.0 | (15.0–26.0) | 0.32 |
Grip strength (kg) | 30.0 | (26.5–35.0) | 20.0 | (17.0–22.8) | <0.01 |
Walking speed (m/s) | 0.97 | (0.88–1.08) | 1.03 | (0.88–1.14) | 0.01 |
Height (cm) | 163.8 | (159.4–167.2) | 149.8 | (146.5–153.1) | <0.01 |
Variables Control Variable: Gender | Grip Strength | Walking Speed | ||
---|---|---|---|---|
r | p-Value | r | p-Value | |
Oral wetness | 0.02 | 0.70 | −0.03 | 0.53 |
Occlusal force (N) | 0.23 | <0.01 | 0.10 | 0.02 |
Tongue-lip motor function /pa/ (times per second) | 0.08 | 0.07 | 0.15 | <0.01 |
Tongue-lip motor function /ta/ | 0.14 | <0.01 | 0.10 | 0.02 |
Tongue-lip motor function /ka/ | 0.10 | 0.02 | 0.07 | 0.10 |
Tongue pressure (kPa) | 0.26 | <0.01 | 0.08 | 0.06 |
Masticatory performance | 0.20 | <0.01 | 0.10 | 0.03 |
Swallowing function | 0.11 | 0.02 | 0.17 | <0.01 |
Independent Variables | β (95% CI) | p-Value | |
---|---|---|---|
Gender (reference: men) | −0.90 | (−1.08–−0.73) | <0.01 |
Height | 0.31 | (0.22–0.40) | <0.01 |
Oral wetness | 0.01 | (−0.04–0.07) | 0.69 |
Occlusal force | 0.12 | (0.05–0.18) | <0.01 |
Tongue-lip motor function /ta/ | 0.05 | (−0.004–0.11) | 0.07 |
Tongue pressure | 0.13 | (0.07–0.18) | <0.01 |
Swallowing function | 0.04 | (−0.02–0.10) | 0.16 |
Number of remaining teeth | 0.01 | (−0.06–0.07) | 0.86 |
Independent Variables | β (95% CI) | p-Value | |
---|---|---|---|
Gender (reference: men) | 0.56 | (0.29–0.84) | <0.01 |
Height | 0.21 | (0.08–0.35) | <0.01 |
Oral wetness | −0.02 | (−0.10–0.07) | 0.67 |
Occlusal force | 0.07 | (−0.03–0.18) | 0.17 |
Tongue-lip motor function /pa/ | 0.12 | (0.03–0.21) | 0.01 |
Tongue pressure | 0.03 | (−0.05–0.12) | 0.46 |
Swallowing function | 0.15 | (0.06–0.24) | <0.01 |
Number of remaining teeth | −0.02 | (−0.13–0.08) | 0.68 |
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Murotani, Y.; Hatta, K.; Takahashi, T.; Gondo, Y.; Kamide, K.; Kabayama, M.; Masui, Y.; Ishizaki, T.; Matsuda, K.-i.; Mihara, Y.; et al. Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese. Int. J. Environ. Res. Public Health 2021, 18, 13199. https://doi.org/10.3390/ijerph182413199
Murotani Y, Hatta K, Takahashi T, Gondo Y, Kamide K, Kabayama M, Masui Y, Ishizaki T, Matsuda K-i, Mihara Y, et al. Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese. International Journal of Environmental Research and Public Health. 2021; 18(24):13199. https://doi.org/10.3390/ijerph182413199
Chicago/Turabian StyleMurotani, Yuki, Kodai Hatta, Toshihito Takahashi, Yasuyuki Gondo, Kei Kamide, Mai Kabayama, Yukie Masui, Tatsuro Ishizaki, Ken-ichi Matsuda, Yusuke Mihara, and et al. 2021. "Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese" International Journal of Environmental Research and Public Health 18, no. 24: 13199. https://doi.org/10.3390/ijerph182413199