Skip to main content

Table 1 Comparisons of demographic variables between the K6 high group and the K6 low group

From: Association between high psychological distress and poor oral health-related quality of life (OHQoL) in Japanese community-dwelling people: the Nagasaki Islands Study

 

Participants

Psychological distress status

Total

High K6 (≥ 5)

Low K6 (< 5)

p value

(n = 1183)

(n = 125)

(n = 1058)

Age, mean (SD)

65.9 (11.7)

64.7 (14.0)

66.1 (11.3)

0.20

Female, n (%)

728 (62)

91 (73)

637 (60)

0.006*

BMI, mean (SD)

22.9 (3.2)

22.5 (3.1)

22.9 (3.3)

0.12

Past medical history of, n (%)

 Stroke

37 (3)

4 (3)

33 (3)

0.96

 Ischemic heart disease

63 (5)

8 (6)

55 (5)

0.57

 Hypertension

413 (35)

38 (30)

375 (35)

0.26

 Diabetes mellitus

72 (6)

7 (6)

65 (6)

0.81

 Dyslipidemia

236 (20)

27 (22)

209 (20)

0.63

Falling within 1 year

221 (19)

41 (33)

180 (17)

< 0.0001†

Hospitalization within 1 year

124 (10)

22 (18)

102 (10)

0.006*

Current smoking, n (%)

99 (8)

12 (9)

87 (8)

0.60

Habitual drinking, n (%)

358 (30)

29 (23)

329 (31)

0.068

Activities, n (%)

 Habitual exercisinga

581 (49)

40 (32)

541 (51)

< 0.0001†

 Social participation with neighbors

936 (79)

77 (62)

859 (81)

< 0.0001†

 Social participation with non-neighbors

1065 (90)

107 (86)

958 (91)

0.081

 Having any hobbies

975 (82)

94 (75)

881 (83)

0.025*

  1. Chi-squared tests were used to compare the ratio of categorical variables, and t tests were used to compare the averages of continuous variables between the groups. Missing value excluded; falling within 1 year = 5, habitual drinking = 1, social participation with neighbors = 1, the other variables were not missing value
  2. BMI body mass index, K6 the Kessler Psychological Distress 6-Question Short-Form Scale
  3. *p < 0.05
  4. †p < 0.001
  5. aExercise of ≥ 30 min, ≥ 2×/week, and ≥ 1 year