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. 2012 Apr 3;46(2):118–129. doi: 10.1159/000337241

Table 3.

Baseline characteristics by treatment arm

Baseline characteristic All subjects
 Subjects who completed study
control (n = 116) intervention (n = 115) control (n = 57) intervention (n = 57)
Age

  • Mean

 38.4 36.9 40.9 39.2

  • Standard deviation

 13.5 13.2 14.8 14.7

  • Range

 18–84 18–77 20–84 21–77
Gender: female, % (n) 59 (69) 60 (69) 62 (32) 67 (38)
Race/ethnicity, % (n)

  • Asian, non-Hispanic

 7 (8) 13 (15) 15 (8) 25 (14)

  • Black, non-Hispanic

 5 (6) 7 (8) 12 (6) 14 (8)

  • White, non-Hispanic

 16 (18) 24 (28) 35 (18) 47 (27)

  • Hispanic (any race)

 11 (13) 6 (7) 25 (13) 11 (6)

  • Other/multiracial, non-Hispanic

 3 (4) 2 (2) 6 (3) 2 (1)

  • Refused/missing

 58 (67) 48 (55) 8 (4) 2 (1)
Education, % (n)

  • High school/vocational school

 22 (26) 26 (30) 19 (10) 17 (10)

  • College

 56 (65) 50 (58) 50 (26) 53 (30)

  • Graduate/professional

 22 (25) 23 (27) 31 (16) 30 (17)
Works in San Francisco, % (n) 69 (80) 74 (85) 81 (42) 74 (42)
First UCSF S/D visit, % (n) 41 (48) 49 (56) 56 (29) 46 (26)
Last dental visit, % (n)

  • <6 months prior

 24 (27) 28 (32) 32 (16) 29 (16)

  • 6–11 months prior combine <12

 9 (10) 20 (23) 8 (4) 18 (10)

  • 12–23 months prior

 23 (26) 18 (20) 20 (10) 16 (9)

  • 24–35 months prior combine 24+

 19 (22) 12 (14) 22 (11) 13 (7)

  • 36+ months prior

 25 (29) 22 (25) 18 (9) 23 (13)
Ever had professional cleaning, % (n) 90 (98) 91 (100) 94 (46) 89 (48)
Brushed 2+ times yesterday, % (n) 77 (89) 74 (85) 77 (40) 74 (42)
Used fluoride toothpaste, % (n)

  • Yes

 76 (87) 69 (79) 75 (39) 70 (40)

  • Don't know

 18 (21) 28 (32) 18 (9) 23 (13)
Used fluoride mouthrinse, % (n)

  • Yes

 9 (10) 9 (10) 8 (4) 9 (5)

  • Don't know

 17 (19) 23 (26) 20 (10) 22 (12)
Professional fluoride ≤1 year, % (n)

  • Yes

 6 (7) 14 (16) 8 (4) 12 (7)

  • Don't know

 20 (23) 12 (14) 31 (16) 10 (6)
Flossing frequency last week, % (n)

  • Never

 33 (38) 27 (30) 25 (13) 27 (15)

  • 1–6 times

 48 (55) 48 (54) 48 (25) 46 (26)

  • 7+ times

 18 (21) 26 (29) 27 (14) 27 (15)
Fair/poor oral health, % (n) 53 (61) 54 (62) 42 (22) 39 (22)
Fair/poor overall health, % (n) 7 (8) 15 (17) 10 (5) 16 (9)
Drank alcohol in past week, % (n) 53 (61) 50 (57) 50 (25) 47 (27)
Smoked cigarette ≤30 days, % (n) 29 (34) 27 (31) 11 (6) 14 (8)
Smoked cigar ≤30 days, % (n) 2 (2) 2 (2) 0 (0) 0 (0)
Chewed/dipped tobacco ≤30 days, % (n) 2 (2) 1 (1) 0 (0) 0 (0)
Health locus of control, mean (SD)

  • Internal

 4.6 (1.0) 4.9 (0.9) 4.7 (0.9) 4.8 (0.8)

  • Chance

 2.1 (1.0) 2.0 (0.9) 2.3 (1.2) 1.9 (0.9)

  • Others

 3.1 (1.2) 2.9 (1.2) 3.2 (1.1) 3.0 (1.1)

  • Doctors

 5.3 (1.0) 5.5 (0.8) 5.2 (1.1) 5.6 (0.7)
Number of teeth, mean (SD) 25.7 (4.4) 25.5 (4.9) 25.4 (4.1) 25.2 (5.1)

UCSF S/D = University of California San Francisco School of Dentistry Student Dental Clinics.