Table 4

Association between dentists’ opinion and independent variables
Independent variables Dentists’ opinion(a) p*
Less favorable More favorable
Gender, n (%) 0.04
Female 30 (39.0%) 47 (61.0%)
Male 25 (58.1%) 18 (41.9%)
Region of practice, n (%) 0.36
Southeast or South 42 (43.3%) 55 (56.7%)
Midwest, North or Northeast 13 (56.5%) 10 (43.5%)
Equipment acquisition**, n (%) 0.65
Yes 37 (44.0%) 47 (56.0%)
No 17 (48.6%) 18 (51.4%)
RA practice**, n (%) <0.01
Yes 31 (36.0%) 55 (64.0%)
No 23 (69.7%) 10 (30.3%)
Frequency of RA practice**, n (%) <0.001
Low 50 (55.6%) 40 (44.4%)
High 5 (17.9%) 23 (82.1%)
Age (yr), mean (SD) 38.8 (8.0) 39.2 (10.7) 0.07
Length of time since graduation (yr), mean (SD) 15.8 (8.0) 15.9 (10.6) 0.06

(a) Dentists’ opinions were divided into two groups (cluster analysis); 7 questionnaires were excluded from this analysis because they had incomplete items in Part 2.

*Chi-Square test and Student’s t-test.

** Variables with missing data because several participants did not answer the item.

Daher et al.

Daher et al. BMC Oral Health 2012 12:21   doi:10.1186/1472-6831-12-21

Open Data