Table 1

Demographic analysis of salivary samples
Variables Orthodontic clinic Saliva samples Statistical analysis
Gender
Female n = 376 (61.3%) n = 34 (60.1%) χ2 = 0.008, d.f. =1
Male n = 237 (38.7%) n = 22 (39.2%) p= 0.9271
Race
White n = 215 (35.1%) n = 20 (35.7%) χ2 = 0.009, d.f. = 1
Non-White n = 398 (64.9%) n = 36 (64.3%) p= 0.9234
Hispanic n = 331 (53.9%) n = 30 (55.5%)
Black n = 59 (9.8%) n = 5 (8.9%)
Asian/Other n = 8 (1.3%) n = 1 (1.8%)
Age
<18 n = 426 (34.7%) n = 0 (0.0%) χ2 = 29.142, d.f. = 1
18 - 64 years n = 800 (65.3%) n = 56 (100.0%) p< 0.0001
18-24 n = 159 (19.9%) n = 13 (23.2%)
25-34 n = 283 (35.4%) n = 23 (41.1%)
35-44 n = 257 (32.1%) n = 17 (30.4%)
45-54 n = 101 (12.5%) n = 3 (5.4%)

Davis et al.

Davis et al. BMC Oral Health 2012 12:34   doi:10.1186/1472-6831-12-34

Open Data