Skip to main content

Table 1 Subject demographic and baseline characteristics

From: The effects of essential oil mouthrinses with or without alcohol on plaque and gingivitis: a randomized controlled clinical study

Parameters

MOH

AFM

ACM

Total

Overall

 

(n = 123)

(n = 124)

(n = 123)

(n = 370)

p-value

Age (years)

38.8 ± 11.75

35.1 ± 14.43

35.2 ± 13.83

36.4 ± 13.46

0.053a

Sex n (%)

    

0.757b

 Male

50 (40.7)

46 (37.1)

51 (41.5)

147 (39.7)

 

 Female

73 (59.3)

78 (62.9)

72 (58.5)

223 (60.3)

 

Race n (%)

    

>0.999c

 White

112 (91.1)

113 (91.1)

112 (91.1)

337 (91.1)

 

 Black or African- American

1 (<1.0)

1 (<1.0)

1 (<1.0)

3 (<1.0)

 

 Asian

1 (<1.0)

0

0

1 (<1.0)

 

 Other

9 (7.3)

10 (8.1)

10 (8.1)

29 (7.8)

 

Smoker n (%)

    

0.876b

 Yes

13 (10.6)

11 (8.9)

11 (8.9)

35 (9.5)

 

 No

110 (89.4)

113 (91.1)

112 (91.1)

335 (90.5)

 

Whole-mouth scores

 Baseline Mean MGI

2.439 ± 0.147

2.454 ± 0.149

2.462 ± 0.146

2.452 ± 0.147

0.450a

 Baseline Mean PI

2.976 ± 0.224

2.991 ± 0.228

3.014 ± 0.269

2.994 ± 0.241

0.456a

 Baseline Mean BI

0.604 ± 0.132

0.628 ± 0.183

0.623 ± 0.163

0.618 ± 0.161

0.474a

  1. Data are mean ± SD unless otherwise specified
  2. ACM Alcohol-containing essential oil mouthrinse, AFM Alcohol-free essential oil mouthrinse, BI Bleeding index, MGI Modified gingival index, MOH Mechanical oral hygiene, PI Plaque index, SD Standard deviation
  3. ap-values are based on ANOVA model with term for treatment
  4. bp-values are based on Chi-square test
  5. cbased on Fisher’s exact test