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. 2014 Nov 27;17(7):819–824. doi: 10.1093/ntr/ntu236

Table 2.

Logistic Regression Predicting Smoking Within 5min of Waking

B SE Wald OR p value
White Gender −.01 .17 .01 .98 .93
Personal incomea 8.56 .03
 Below 25% .52 .24 4.70 1.68 .03
 Below 50% .64 .24 6.65 1.90 .01
 Below 75% .39 .22 3.14 1.48 .07
Years smoking .10 .03 9.52 1.10 .002
Days smoking last 30b 5.68 .05
 Infrequent (1–14 days) .54 .37 2.20 1.73 .13
 Intermittent (15–27 days) −1.14 .48 5.63 .31 .02
Cigarettes per dayc 50.75 .00
 Light smoker (1–10 cpd) −1.62 .22 50.74 .19 .00
 Moderate smoker (11–20 cpd) −.69 .25 7.19 .50 .007
Black Gender .41 .34 1.41 1.51 .23
Personal incomea 9.59 .02
 Below 25% .75 .38 3.87 2.12 .04
 Below 50% 1.24 .45 7.50 3.46 .006
 Below 75% −.95 .62 2.34 .38 .12
Years smoking .09 .06 2.05 1.09 .15
Days smoking last 30b 5.42 .06
 Infrequent (1–14 days) −.14 .42 .10 .86 .74
 Intermittent (15–27 days) −1.02 .50 4.06 .35 .05
Cigarettes per dayc 3.48 .17
 Light smoker (1–10 cpd) −.31 .42 .56 .72 .45
 Moderate smoker (11–20 cpd) .980 .69 1.99 2.66 .15

Note. aCompared to above 75th group.

bCompared to regular smokers (28–30 days) group.

cCompared to heavy smoker (> 21 cpd) group.