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Table 2 Univariate association with sociodemographic characteristics, oral health and general health behaviors, and systemic health status based on periodontitis (n = 9659)

From: Allergic rhinitis and periodontitis among Korean adults: results from a nationwide population-based study (2013–2015)

Variables

Number

Periodontitis

OR (95% CI)

No

Yes

N

% (95% CI)a

N

% (95% CI)a

Age

 20–29

1657

1582

95.3 (93.9–96.4)

75

4.7 (3.6–6.1)

0.07 (0.05–0.09)

 30–39

2497

2128

84.4 (82.1–86.4)

369

15.6 (13.6–17.9)

0.27 (0.22–0.33)

 40–49

2774

1978

69.4 (67.1–71.6)

796

30.6 (28.4–32.9)

0.61 (0.53–0.70)

 50–59

2982

1712

55.2 (52.7–57.6)

1270

44.8 (42.4–47.3)

Reference

Sex

 Male

4191

2819

69.5 (67.6–71.3)

1372

30.5 (28.7–32.4)

1.44 (1.27–1.63)

 Female

5719

4581

81.3 (79.9–82.7)

1138

18.7 (17.3–20.1)

Reference

Monthly Household income

  < 25%

853

562

66.1 (62.0–70.1)

291

33.9 (29.9–38.0)

1.08 (0.86–1.37)

 25–50%

2357

1700

73.4 (71.1–75.6)

657

26.6 (24.4–28.9)

0.99 (0.84–1.18)

 50–75%

3136

2379

76.3 (74.2–78.2)

757

23.7 (21.8–25.8)

0.92 (0.78–1.08)

  > 75%

3516

2724

78.0 (75.9–79.9)

792

22.0 (20.1–24.1)

Reference

Education

 Primary school

639

355

54.9 (49.8–59.9)

284

45.1 (40.1–50.2)

2.76 (2.13–3.57)

 Middle school

801

474

57.7 (53.8–61.5)

327

42.3 (38.5–46.2)

2.82 (2.30–3.47)

 High school

3728

2781

75.5 (73.6–77.2)

947

24.5 (22.8–26.4)

1.34 (1.16–1.54)

 College

4036

3291

81.5 (79.7–83.2)

745

18.5 (16.8–20.3)

Reference

Smoking status

 No

2084

1301

64.2 (61.5–66.8)

783

35.8 (33.2–38.5)

1.69 (1.47–1.95)

 Yes

7575

5910

79.0 (77.5–80.3)

1665

21.0 (19.7–22.5)

Reference

Hypertension

 No

8931

6837

77.2 (75.8–78.6)

2094

22.8 (21.4–24.2)

0.56 (0.46–0.68)

 Yes

979

563

55.8 (51.9–59.7)

416

44.2 (40.3–48.1)

Reference

Diabetes mellitus

 No

9557

7221

76.2 (74.8–77.6)

2336

23.8 (22.4–25.2)

0.53 (0.40–0.71)

 Yes

353

179

49.4 (43.9–55.0)

174

50.6 (45.0–56.1)

Reference

Obesity

 Underweight

454

393

86.9 (83.0–90.0)

61

13.1 (10.0–17.0)

0.45 (0.32–0.64)

 Normal

6282

4858

77.9 (76.3–79.4)

1424

22.1 (20.6–23.7)

0.75 (0.66–0.85)

 Obese

3088

2069

68.0 (65.8–70.1)

1019

32.0 (29.9–34.2)

Reference

Asthma

 No

9438

7035

75.2 (73.7–76.6)

2403

24.8 (23.4–26.3)

1.14 (0.77–1.69)

 Yes

221

176

79.7 (72.8–85.2)

45

20.3 (14.8–27.2)

Reference

Atopic dermatitis

 No

9365

6946

74.8 (73.3–76.2)

2419

25.2 (23.8–26.7)

2.58 (1.58–4.22)

 Yes

294

265

90.2 (85.1–93.7)

29

9.8 (6.3–14.9)

Reference

Allergic rhinitis

 No

8139

5938

73.5 (72.0–75.0)

2201

26.5 (25.0–28.0)

1.53 (1.28–1.82)

 Yes

1520

1273

84.2 (81.8–86.3)

247

15.8 (13.7–18.2)

Reference

Tooth-brushing frequencies

 Never

270

184

66.7 (59.4–73.3)

86

33.3 (26.7–40.6)

1.16 (0.71–1.88)

 Once daily

670

418

63.3 (58.9–67.6)

252

36.7 (32.4–41.1)

1.36 (1.10–1.67)

 Twice daily

3283

2377

72.8 (70.7–74.7)

906

27.2 (25.3–29.3)

1.11 (0.99–1.23)

 1 (0.99–1.23)re

5433

4230

78.9 (77.3–80.4)

1203

21.1 (19.6–22.7)

Reference

Use of floss

 No

7136

5073

71.9 (70.2–73.5)

2063

28.1 (26.5–29.8)

1.70 (1.48–1.97)

 Yes

2520

2136

85.3 (83.5–86.9)

384

14.7 (13.1–16.5)

Reference

Use of interproximal brush

 No

7448

5522

74.8 (73.3–76.3)

1926

25.2 (23.7–26.7)

0.92 (0.78–1.07)

 Yes

2208

1687

76.9 (74.2–79.3)

521

23.1 (20.7–25.8)

Reference

Use of mouthwash

 No

7602

5701

75.8 (74.3–77.3)

1901

24.2 (22.7–25.7)

0.73 (0.63–0.84)

 Yes

2054

1508

73.2 (70.6–75.6)

546

26.8 (24.4–29.4)

Reference

Dental visit during the past one year

 No

6563

4878

75.1 (73.5–76.6)

1685

24.9 (23.4–26.5)

0.88 (0.78–1.00)

 Yes

3093

2331

75.7 (73.6–77.7)

762

24.3 (22.3–26.4)

Reference

  1. AR, allergic rhinitis
  2. Values are presented as number (%)
  3. Monthly Household income: monthly average family equivalent income (−monthly average household income/behaviors, and systemic health stat
  4. Obesity; Normal; Body Mass Index (BMI) 18.5 to < 25, Underweight: BMI < 18.5, and Obesity: BMI ≥25.0 kg/m2
  5. Bold values denotes statistical significance at p < 0.05
  6. aWeighted percent, 95% Confidence Interval (CI), and p-value obtained by Chi-square test