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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Contemp Clin Trials. 2016 Mar 2;48:1–11. doi: 10.1016/j.cct.2016.02.011

Table 4.

Employee Characteristics by Study Arm (Employee Survey, n=3,302)

Intervention Arm

Control (n=925) Standard HealthLinks (n=1,234) HealthLinks w/Wellness Committee (n=1,143) P values

Percent Mean (SD) Percent Mean (SD) Percent Mean (SD)

Race 0.12
 White 67.24% 52.67% 55.91%
 Black 6.05% 10.62% 6.39%
 American Indian/Alaska Native 0.22% 0.49% 0.44%
 Asian 9.62% 16.37% 17.41%
 Native Hawaiian/Pacific Islander 0.86% 1.62% 1.92%
 Multi-race 7.78% 9.40% 9.45%
 Other 3.14% 4.38% 3.59%
 Prefer not to answer 5.08% 4.46% 4.90%
Ethnicity 0.19
Not Hispanic or Latino 90.32% 85.51% 85.93%
 Hispanic or Latino 6.12% 10.49% 10.60%
 Prefer not to answer 3.56% 4.00% 3.47%
Language of Survey 0.13
 English 97.62% 93.03% 98.08%
 Spanish 1.19% 4.38% 1.92%
 Chinese 0.32% 1.78% 0.00%
 Vietnamese 0.86% 0.81% 0.00%
Age 40.49 (13.09) 40.48 (13.08) 39.85 (12.47) 0.84
Sex 0.35
 Male 31.06% 38.04% 32.63%
 Female 68.94% 61.96% 67.37%
Education 0.01
 Elementary 1.10% 1.65% 0.80%
 Some high school 1.10% 3.87% 1.43%
 High school graduate or GED 6.17% 16.23% 10.97%
 Some college or technical school 19.82% 28.91% 23.37%
 College graduate 71.81% 49.34% 63.43%
Annual Household Income 0.21
 Less than $15,000 3.06% 7.14% 4.04%
 $15,000–$24,999 10.54% 13.44% 11.85%
 $25,000–$49,999 28.34% 30.53% 29.57%
 $50,000–$74,999 17.46% 18.11% 19.65%
 $75,000 or more 40.59% 30.78% 34.80%