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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: J Am Dent Assoc. 2013 Jun;144(6):627–638. doi: 10.14219/jada.archive.2013.0174

Table 2.

Dental practice and dentist characteristics associated with readiness to offer either tobacco or alcohol and other drug assistance

Characteristic Number of
respondents
Would offer
assistance to
tobacco users
Would not offer
assistance to
tobacco users
P valuea
tobacco)
Would offer
assistance to
alcohol/other
drug (AOD) users
Would not offer
assistance to
alcohol/other
drug (AOD) users
P valuea
(AOD)

N N (% of row)

Total population 143 96 (67%) 47 (33%) -- 75 (52%) 68 (48%) --

Dentist Responder Characteristics
Age (years) 143 96 (67%) 47 (33%) 0.505 75 (52%) 68 (48%) 0.400

Gender 0.736 0.840
  Male 100 68 (68%) 32 (32%) 53 (53%) 47 (47%)
  Female 43 28 (65%) 15 (35%) 22 (51%) 21 (49%)

Race/Ethnicity 0.184 0.033
  White 99 63 (64%) 36 (36%) 46 (46%) 53 (54%)
  Non-White 44 33 (75%) 11 (25%) 29 (66%) 15 (34%)

Degree 0.745 0.707
  DDS 80 56 (70%) 24 (30%) 45 (56%) 35 (44%)
  DMD 63 40 (63%) 23 (37%) 30 (48%) 33 (52%)

Provider Type 4 0.291 0.634
  Generalist 130 89 (68%) 1 (32%) 69 (53%) 61 (47%)
  Specialist 13 7 (54%) 6 (46%) 6 (46%) 7 (54%)

Ownership Status 0.513 0.139
  Solo owner 92 60 (65%) 32 (35%) 44 (48%) 48 (52%)
  Co- or non-owner 51 36 (71%) 15 (29%) 31 (61%) 20 (39%)

Barrier Score: Tobaccob 143 96 (67%) 47 (33%) 0.005 75 (52%) 68 (48%) 0.039
  Mean 12.1 11.5 13.3 11.5 12.8
  Standard Deviation 3.6 2.9 4.5 3.0 4.0
  Range 5–24 6–18 5–24 6–18 5–24

Barrier Score: AODb 143 96 (67%) 47 (33%) 0.056 75 (52%) 68 (48%) <.001
  Mean 15.4 14.9 16.3 13.7 17.2
  Standard Deviation 4.0 4.2 3.4 3.5 3.8
  Range 6–25 6–25 10–25 6–22 10–25

Dental Practice Characteristics

Practice Type 0.190 0.636
  General 126 87 (69%) 39 (31%) 67 (53%) 59 (47%)
  Other 17 9 (53%) 8 (47%) 8 (47%) 9 (53%)

Practice Setting 0.055 0.825
  Urban 43 35 (81%) 8 (19%) 24 (56%) 19 (44%)
  Suburban 86 52 (60%) 34 (40%) 43 (50%) 43 (50%)
  Rural/Other 14 9 (64%) 5 (36%) 8 (57%) 6 (43%)

Practice Region 0.469 0.870
  Northeast 100 69 (69%) 31 (31%) 52 (52%) 48 (48%)
  Other 43 27 (63%) 16 (37%) 23 (53%) 20 (47%)

Active Patients 0.953 0.815
  <1000 31 20 (65%) 11 (35%) 16 (52%) 15 (48%)
  1000–1999 62 43 (69%) 19 (31%) 32 (52%) 30 (48%)
  ≥2000 50 33 (66%) 17 (34%) 27 (54%) 23 (46%)

Number of full-time dentists 0.863 0.830
  0–1 dentist 85 56 (66%) 29 (34%) 45 (53%) 40 (47%)
  >1 dentist 49 33 (67%) 16 (33%) 25 (51%) 24 (49%)

Number of full-time hygienists 0.963 0.567
  0–1 Hygienist 81 53 (65%) 28 (35%) 41 (51%) 40 (49%)
  >1 hygienist 41 27 (66%) 14 (34%) 23 (56%) 18 (44%)

Patient Coverage: Medicaid 0.023 0.006
  <5% Medicaid 104 64 (62%) 40 (38%) 47 (45%) 57 (55%)
  ≥5% Medicaid 39 32 (82%) 7 (18%) 28 (72%) 11 (28%)

Patient Coverage: Medicare 0.022 0.091
  <5% Medicare 118 74 (63%) 44 (37%) 58 (49%) 60 (51%)
  ≥5% Medicare 25 22 (88%) 3 (12%) 17 (68%) 8 (32%)
a

P values are based on univariate logistic regression using readiness to provide counseling and assistance for tobacco users or users of alcohol or other drugs as the dependent variable.

c

Barrier score indicates the sum of individual responses to barriers faced in addressing tobacco or alcohol/other drug use. Respondents were asked to rank their response on a 5-point Likert scale (1=strongly disagree, 5=strongly agree).