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. 2018 Jun 14;13(6):e0198655. doi: 10.1371/journal.pone.0198655

Table 2. Differences in characteristics of exemptors vs. non-exemptors.

Characteristics Exemptor
n (%)1
Non-Exemptor
n (%)1
P-value
N = 142 (35%) N = 262 (65%)
Gender—Female 118 (86.0) 216 (85.0) 0.772
Mean age (SD) 36.8 (6.1) 37.5 (6.4) 0.303
Race 0.492
White 122 (90.4) 216 (86.0)
Black/African American 2 (1.5) 5 (2.0)
Asian/Pacific-islander 2 (1.5) 4 (1.6)
Hispanic 3 (2.2) 16 (6.4)
Other 6 (4.4) 10 (4.0)
Marital Status 0.52
Married 111 (80.43) 212
Never Married 5 (3.62) 13
Not Married, Living with Partner 6 (4.35%) 7
Divorced or Separated 16 (11.6%) 20
Highest Level of Education Completed 0.142
High school or less 5 (3.6) 12 (7.7)
Some college but no degree 36 (26.1) 57 (22.4)
Associate’s Degree 30 (21.7) 34 (1.3)
Bachelor’s Degree 39 (28.3) 88 (34.5)
Graduate or Professional Degree 28 (20.3) 60 (23.5)
Insurance Status 0.182
Private Insurance 101 (72.7) 190 (74.5)
Public Insurance 25 (18.0) 53 (20.8)
Uninsured 13 (9.3) 12 (4.7)
Type of Doctor Visited 0.002
M.D. 76 (69.1) 175 (91.1)
D.O. 15 (13.6) 15 (7.8)
Naturopath 11 (10) 0 (0)
No Doctor 8 (7.3) 2 (1.04)
Employment Status
Self is employed 65 (59.1) 123 (65.1) 0.302
Partner is employed 93 (85.3) 159 (83.7) 0.122
Total Household Income Range 0.072
$100,000 or greater 27 (20.5) 68 (27.9)
$75,000–99,999 | 27 (20.5) 58 (23.8)
$50,000–74,999 46 (34.8) 58 (23.8)
$35,000–49,999 21 (15.9) 29 (11.9)
Less than $35,000 11 (8.3) 31 (12.7)

1Totals for each category may not sum to total sample size due to non-response. Percentages represent percentages among those responding.

2P-value calculated using Pearson’s chi-square test.

3P-value calculated using Two-tailed t-test.

Note: The following categorical characteristics were not included due to lack of respondents: Race: American Indian/Alaskan Native; Marital Status: Widowed.