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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: J Occup Environ Med. 2017 May;59(5):440–445. doi: 10.1097/JOM.0000000000000986

Table 3.

Odds ratios predicting green collar worker status for workers 18 years and older, unadjusted and adjusted for all other socio-demographic and occupational characteristics, National Health Interview Survey 2004–2012

Green Collara
Characteristics Unadjusted Odds Ratio Unadjusted Odds Ratio 95% CI Adjusted Odds Ratio Adjusted Odds Ratio95% CI
Age (Ref = 18–24y)
 25–64y 1.39 1.31 – 1.47 1.38 1.30 – 1.46
 65+y 1.00 0.90 – 1.11 0.97 0.87 – 1.08
Gender (Ref = Female)
 Male 3.35 3.21 – 3.49 3.27 3.13 – 3.41
Race (Ref = White)
 Black 0.88 0.83 – 0.93 0.92 0.87 – 0.97
 Other 0.93 0.87 – 1.01 0.95 0.88 – 1.03
Ethnicity (Ref = Non-Hispanic)
 Hispanic 1.02 0.97 – 1.06 0.91 0.86 – 0.96
Educational Attainment (Ref = HS+)
 HS 1.41 1.36 – 1.46 1.37 1.32 – 1.43
 <HS 1.30 1.23 – 1.37 1.27 1.20 – 1.35
Health Insurance Status (Ref= Insured)
 Uninsured 0.86 0.82 – 0.91 0.79 0.75 – 0.83
Geographic Region (Ref = Northeast)
 Midwest 1.17 1.11 – 1.24 1.15 1.08 – 1.22
 South 1.10 1.04 – 1.16 1.12 1.00 – 1.18
 West 1.07 1.01 – 1.14 1.10 1.04 – 1.17
Special Equipment Needs (Ref= none)
 Yes, Equipment Needs 0.97 0.82 – 1.11 0.89 0.76 – 1.03
Functional Limitations (Ref = no limits)
 Yes, Any functional Limitations 0.89 0.85 – 0.94 1.02 0.97 – 1.07
Body Mass Index (Ref = normal weight)
 Underweight 0.79 0.66 – 0.95 1.03 0.85 – 1.25
 Overweight 1.37 1.32 – 1.43 1.05 1.00 – 1.10
 Obese 1.37 1.31 – 1.43 1.13 1.08 – 1.18
Hearing Impairment (Ref=no hearing impair)
 Yes, Hearing Impairment 1.29 1.22 – 1.35 1.11 1.05 – 1.17
Visual Impairment (Ref = No visual impair)
 Yes, Visual Impairment 0.91 0.85 – 0.97 0.99 0.92 – 1.07
Size of Company (Ref 250+ employees)
 1–9 employees 0.69 0.66 – 0.72 0.64 0.61 – 0.68
 10–24 employees 0.78 0.74 – 0.82 0.72 0.68 – 0.76
 25–49 employees 0.84 0.79 – 0.89 0.81 0.76 – 0.86
 50–99 employees 0.84 0.79 – 0.89 0.86 0.81 – 0.91
 100–249 employees 1.00 0.95 – 1.06 0.97 0.91 – 1.03
Type of Employment (Ref= Private Co.)
 Federal Government 0.63 0.56 – 0.71 0.53 0.47 – 0.60
 State Government 0.35 0.32 – 0.39 0.37 0.33 – 0.41
 Local Government 0.42 0.39 – 0.46 0.44 0.40 – 0.48
 Self-Employed/Family Business without pay 0.69 0.65 – 0.74 0.77 0.71 – 0.83
More than one Job (Ref = no)
 Yes, more than one job 0.73 0.68 – 0.78 0.81 0.76 – 0.87
a

Reference group is Non-Green