Table 1.
Continuous smoking and socioeconomic variables by job type, Pennsylvania Adult Smoking Study
| Socioeconomic variables | Overall | Unemployeda (n = 63) | Blue Collar (n = 177) | White Collar (n = 86) | P-value | ||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| Age (years) | 37.6 | 11.50 | 39.0 | 12.25 | 35.8 | 11.29 | 40.1 | 10.81 | 0.008 |
| Household Income ($) | 54,677 | 38,642 | 34,362 | 25,009 | 54,370 | 38,916 | 70,128 | 39,606 | <.001 |
| BMI | 28.7 | 7.10 | 30.3 | 8.03 | 28.5 | 6.95 | 27.9 | 6.56 | 0.107 |
| Height (inches) | 66.8 | 3.97 | 65.6 | 3.62 | 67.3 | 4.04 | 66.8 | 3.91 | 0.017 |
| Weight (pounds) | 182.8 | 48.85 | 185.4 | 50.91 | 184.1 | 49.1 | 178.4 | 47.07 | 0.610 |
| Number in household | 3.3 | 1.50 | 3.3 | 1.43 | 3.4 | 1.62 | 3.0 | 1.26 | 0.082 |
| Adults | 2.3 | 0.99 | 2.4 | 1.1 | 2.4 | 1.03 | 2.2 | 0.8 | 0.427 |
| Children | 1.0 | 1.09 | 0.9 | 0.98 | 1.1 | 1.19 | 0.8 | 0.93 | 0.143 |
| Smoking variables | |||||||||
| Cigarettes per day | 16.6 | 8.07 | 18.2 | 8.56 | 16.8 | 7.96 | 15.0 | 7.72 | 0.047 |
| FTND score | 4.4 | 2.31 | 5.1 | 2.38 | 4.4 | 2.21 | 3.8 | 2.34 | 0.005 |
| 3HC (ng/mL) | 115.7 | 86.23 | 130.5 | 85.88 | 112.3 | 86.02 | 112.1 | 86.81 | 0.337 |
| Cotinine (ng/mL) | 292.2 | 161.96 | 266.8 | 139.78 | 297.7 | 160.47 | 299.0 | 179.07 | 0.392 |
| Nicotine (ng/mL) | 558.3 | 803.74 | 839.3 | 1042.79 | 534.6 | 803.88 | 401.4 | 504.1 | 0.004 |
| TSNM (mol/L) | 0.3 | 0.08 | 0.3 | 0.07 | 0.3 | 0.08 | 0.3 | 0.09 | 0.919 |
| NMR | 0.42 | 0.26 | 0.6 | 0.32 | 0.4 | 0.24 | 0.4 | 0.25 | <.001 |
| Cotinine/cigarette | 20.6 | 15.66 | 17.1 | 11.91 | 20.1 | 12.66 | 24.3 | 21.87 | 0.019 |
aIncludes adult students, disabled, and retired participants. Abbreviations: 3HC: 3′-hydroxycotinine. TSNM: Total Salivary Nicotine Metabolites. NMR: Nicotine Metabolite Ratio. BMI: Body mass index. FTND: Fagerström Test for Nicotine Dependence