Table 4 Adjusted prevalence ratios for poor OHRQoL.

From: COVID-19-related stress, exercise, and oral health-related quality of life among community-dwelling older adults who participated in the CHEER Iwamizawa project, Japan

Independent variable

n

Poor OHRQoL (%)

Crude PR

95% CI

Adjusted PR

95% CI

Age (years)

  

1.00

0.96 − 1.03

0.97

0.93 − 0.99

Sex (woman)

158

32.9

1.25

0.77 − 2.04

1.43

0.90 − 2.29

BMI (kg/m2)

  

1.02

0.96 − 1.08

1.01

0.95 − 1.06

JST-IC scores (score)

  

0.97

0.91 − 1.03

1.02

0.96 − 1.09

Depressive tendencies (presence)

23

65.2

2.41

1.65 − 3.51

2.45

1.60 − 3.77

Number of teeth (score)

  

0.96

0.94 − 0.98

0.95

0.93 − 0.97

Risk of poor OHRQoL

      

Group 1: CS(-) , LEH(-)

86

25.6

1.00

(Reference)

1.00

(Reference)

Group 2: CS(-) , LEH( +)

32

34.4

1.34

0.74–2.45

1.25

0.68 − 2.30

Group 3: CS( +) , LEH(-)

70

27.1

1.06

0.63–1.80

1.00

0.61 − 1.65

Group 4: CS( +) , LEH( +)

27

55.6

2.17

1.33–3.56

2.20

1.31 − 3.69

  1. Forced entry analysis.
  2. Abbreviations: BMI body mass index; CI confidence interval; CS COVID-19-related stress; JST-IC Japan Science and Technology Agency Index of Competence; LEH lack of exercise habits; OHRQoL oral health-related quality of life; PR prevalence ratio.
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