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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: J Occup Environ Med. 2015 Oct;57(10):e114–e120. doi: 10.1097/JOM.0000000000000543

Table 2.

Demographic characteristics: overall and by job category

Variable Category All % (n) White Collar % (n) Blue Collar % (n) Service Worker % (n) p-value
Age Category 18–34 20.5 (344) 20.3 (269) 18 (48) 31.4 (27) 0.0941
35–51 46.9 (788) 46.6 (619) 49.4 (132) 43 (37)
52+ 32.7 (549) 33.1 (440) 32.6 (87) 25.6 (22)
Gender Male 40.5 (681) 37.6 (499) 59.2 (158) 27.9 (24) <0.0001*
Female 59.5 (1000) 62.4 (829) 40.8 (109) 72.1 (62)
Employment Status Full-time 89.8 (1510) 88.4 (1174) 98.9 (264) 83.7 (72) <0.0001*
Part-time and Per Diem 10.5 (171) 11.6 (154) 1.1 (3) 16.3 (14)
Hispanic Yes 5.5 (92) 2.9 (38) 18.4 (49) 5.9 (5) <0.0001*
No 94.5 (1580) 97.1 (1283) 81.6 (217) 94.1 (80)
Race White 89.9 (1440) 91.2 (1181) 86.2 (193) 80.5 (66) <0.0001*
Black 4.6 (74) 3.7 (48) 5.8 (13) 15.9 (13)
Asian 2.7 (43) 2.6 (34) 4 (9) 0 (0)
Hawaiian 0.2 (3) 0.2 (2) 0.4 (1) 0 (0)
Native American 1 (9) 0.3 (4) 1.3 (3) 2.4 (2)
More than one race 2 (32) 2 (26) 2.2 (5) 1.2 (1)
Education Status ≤HS 20.7 (347) 10 (132) 65.9 (174) 47.7 (41) <0.0001*
Some post secondary educ 30.2 (505) 29.9 (395) 26.9 (71) 45.3 (39)
College grad/post grad 49.1 (821) 60.2 (796) 7.2 (19) 7 (6)
Income Status ≤$50,000 28.5 (442) 20.7 (252) 56.9 (141) 57.6 (49) <0.0001*
$50,001–$100,000 41.4 (642) 42.2 (514) 38.7 (96) 37.6 (32)
$100,001+ 30.1 (466) 37.1 (451) 4.4 (11) 4.7 (4)
Marital Status Married/living w/domestic partner 66.0 (1104) 68 (900) 58.7 (155) 57 (49) 0.0253*
Separated/divorced 13.0 (217) 12.2 (161) 17 (45) 12.8 (11)
Widowed 1.8 (30) 1.6 (21) 2.7 (7) 2.3 (2)
Never married 19.3 (322) 18.2 (241) 21.6 (57) 27.9 (24)
BMI Underweight 13 0.9 (11) 0.8 (2) 0 (0) 0.0024*
Normal 421 29.4 (363) 19.5 (48) 13 (10)
Overweight 573 36 (444) 39.8 (98) 40.3 (31)
Obese 550 33.7 (416) 39.8 (98) 46.8 (36)
Variable Overall Mean (Std. Dev) (n) White Collar Mean (Std. Dev) (n) Blue Collar Mean (Std. Dev) (n) Service Worker Mean (Std. Dev) (n) P-value
Age (mean years) 44.18 (12.21) (1681) 45.27 (11.57)(1328) 45.26 (11.07)(267) 42.02 (14.00)(86) 0.042*
BMI No Outliers (mean) 29.60 (5.84)(1540) 28.32 (5.77)(1219) 29.75 (5.78)(244) 30.73 (5.98)(77) <0.0001*