TY - JOUR
T1 - Consumption of green tea but not coffee is associated with the oral health-related quality of life among an older Japanese population
T2 - Kyoto-Kameoka cross-sectional study
AU - for the Kameoka Study Group
AU - Nanri, Hinako
AU - Yamada, Yosuke
AU - Itoi, Aya
AU - Yamagata, Emi
AU - Watanabe, Yuya
AU - Yoshida, Tsukasa
AU - Miyake, Motoko
AU - Date, Heiwa
AU - Ishikawa-Takata, Kazuko
AU - Yoshida, Mitsuyoshi
AU - Kikutani, Takeshi
AU - Kimura, Misaka
N1 - Publisher Copyright:
© 2018, Macmillan Publishers Limited, part of Springer Nature.
PY - 2019/4/1
Y1 - 2019/4/1
N2 - Background/Objectives: The consumption of both green tea and coffee is known to induce positive health effects; however, it remains unclear whether there is an association between the consumption of these beverages and oral health-related quality of life (OHRQoL). Thus, the present study investigated the relationship between the consumption of green tea and coffee and OHRQoL. Subjects/Methods: We analyzed cross-sectional baseline data in 2012. The subjects were 7514 Japanese participants (3563 men, 3951 women; ≥65 years of age). Each subject completed a validated self-administered questionnaire that included items on the frequency of the consumption of green tea and coffee. OHRQoL was evaluated using the self-reported General Oral Health Assessment Index (GOHAI), which assesses oral health problems in older adults. A GOHAI score <50 points was defined as a poor OHRQoL. Results: Following adjustment for age, body mass index, total energy intake, alcohol, smoking, medication use, coffee, and fruit and vegetable consumption, increased consumption of green tea showed a strong positive association with the GOHAI score in both men and women (P trend < 0.001 in both). In contrast, after adjusting for all factors, no statistically significant association was observed between coffee consumption and the GOHAI score in men (P trend = 0.538) or women (P trend = 0.607). The respective multivariate-odds ratios (95% confidence intervals) for a poor OHRQoL associated with green tea consumption frequencies of none, <1 cup/day, 1–2 cups/day, and ≥3 cups/day were 1.00, 1.01 (0.80–1.27), 0.95 (0.74–1.21), and 0.78 (0.61–0.99) (P trend = 0.024) in men, and 1.00, 1.19 (0.90–1.57), 0.98 (0.74–1.29), and 0.86 (0.67–1.12) (P trend = 0.014) in women. Conclusions: Regardless of sex, green tea consumption was positively associated with the GOHAI score. Therefore, ≥3 cups/day of green tea may reduce the risk of a poor OHRQoL, especially in men.
AB - Background/Objectives: The consumption of both green tea and coffee is known to induce positive health effects; however, it remains unclear whether there is an association between the consumption of these beverages and oral health-related quality of life (OHRQoL). Thus, the present study investigated the relationship between the consumption of green tea and coffee and OHRQoL. Subjects/Methods: We analyzed cross-sectional baseline data in 2012. The subjects were 7514 Japanese participants (3563 men, 3951 women; ≥65 years of age). Each subject completed a validated self-administered questionnaire that included items on the frequency of the consumption of green tea and coffee. OHRQoL was evaluated using the self-reported General Oral Health Assessment Index (GOHAI), which assesses oral health problems in older adults. A GOHAI score <50 points was defined as a poor OHRQoL. Results: Following adjustment for age, body mass index, total energy intake, alcohol, smoking, medication use, coffee, and fruit and vegetable consumption, increased consumption of green tea showed a strong positive association with the GOHAI score in both men and women (P trend < 0.001 in both). In contrast, after adjusting for all factors, no statistically significant association was observed between coffee consumption and the GOHAI score in men (P trend = 0.538) or women (P trend = 0.607). The respective multivariate-odds ratios (95% confidence intervals) for a poor OHRQoL associated with green tea consumption frequencies of none, <1 cup/day, 1–2 cups/day, and ≥3 cups/day were 1.00, 1.01 (0.80–1.27), 0.95 (0.74–1.21), and 0.78 (0.61–0.99) (P trend = 0.024) in men, and 1.00, 1.19 (0.90–1.57), 0.98 (0.74–1.29), and 0.86 (0.67–1.12) (P trend = 0.014) in women. Conclusions: Regardless of sex, green tea consumption was positively associated with the GOHAI score. Therefore, ≥3 cups/day of green tea may reduce the risk of a poor OHRQoL, especially in men.
UR - http://www.scopus.com/inward/record.url?scp=85047260569&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85047260569&partnerID=8YFLogxK
U2 - 10.1038/s41430-018-0186-y
DO - 10.1038/s41430-018-0186-y
M3 - Article
C2 - 29789709
AN - SCOPUS:85047260569
SN - 0954-3007
VL - 73
SP - 577
EP - 584
JO - European Journal of Clinical Nutrition
JF - European Journal of Clinical Nutrition
IS - 4
ER -