Table 3

Results of multiple logistic (ORs) and multiple linear (β weight) regression analyses of factors associated with smokers' daily cigarette consumption and quitting attitudes (N=620)

Workplace with smoking policies implemented for 3 yearsWorkplace with smoking policies implemented for 10 years
Daily cigarette consumption, β weight (95% CI)Quitting attitudes, OR (95% CI)Daily cigarette consumption, β weight (95% CI)Quitting attitudes, OR (95% CI)
Age
 <30ReferenceReferenceReferenceReference
 30−391.431 (−0.325 to 3.187)0.411 (0.158 to 1.068)1.051 (−0.783 to 2.884)1.140 (0.577 to 2.253)
 40−39−2.830 (−6.467 to 0.806)0.313 (0.040 to 2.457)3.050 (1.261 to 4.840)1.416 (0.723 to 2.772)
 50+1.187 (−3.823 to 6.198)2.290 (0.074 to 70.398)3.866 (1.727 to 6.006)2.399 (1.072 to 5.367)*
Education
 ≤9 yearsReferenceReferenceReferenceReference
 10–12 years−0.146 (−1.941 to 1.650)0.613 (0.229 to 1.635)0.934 (−0.540 to 2.409)0.692 (0.395 to 1.212)
 13–14 years1.298 (−1.667 to 4.264)0.425 (0.077 to 2.357)0.127 (−2.140 to 2.395)1.286 (0.552 to 3.000)
 ≥15 years−1.165 (−4.199 to 1.870)1.580 (0.506 to 4.939)
Occupation
 Production operatorsReferenceReferenceReferenceReference
 Professionals−1.672 (−5.840 to 2.497)0.657 (0.067 to 6.493)−2.551 (−4.954 to −0.147)*0.687 (0.267 to 1.769)
 Laboratory technicians−0.348 (−2.605 to 1.909)13.168 (2.506 to 69.187)−2.007 (−4.557 to 0.544)0.571 (0.221 to 1.476)
 Sales/marketing−1.872 (−7.477 to 3.732)1.908 (0.083 to 43.688)−0.993 (−3.009 to 1.023)3.159 (1.461 to 6.829)
Night shift work
 NoReferenceReferenceReferenceReference
 Yes1.634 (−0.545 to 3.812)2.114 (0.593 to 7.519)−0.832 (−2.201 to −0.538)2.074 (1.212 to 3.546)
First cigarette after waking up (min)
 <5ReferenceReferenceReferenceReference
 6–30−1.825 (−5.596 to 1.945)0.348 (0.043 to 2.831)−3.776 (−5.577 to −1.976)1.800 (0.870 to 3.722)
 31–60−4.838 (−8.557 to −1.120)*0.749 (0.093 to 6.018)−5.589 (−7.710 to −3.468)1.632 (0.712 to 3.741)
 >60−7.266 (−10.921 to −3.612)†0.730 (0.094 to 5.695)−8.674 (−10.609 to –6.738)2.842 (1.312 to 6.158)
No. of quitting attempts in the past 12 months
 0ReferenceReferenceReferenceReference
 12.579 (0.030 to 5.129)*0.474 (0.122 to 1.840)−0.470 (−2.081 to 1.142)2.617 (1.438 to 4.762)
 21.764 (−0.430 to 3.959)0.346 (0.103 to 1.163)0.019 (−2.094 to 2.132)4.041 (1.873 to 8.719)
 >21.281 (−0.977 to 3.539)1.370 (0.384 to 4.883)−1.272 (−2.804 to 0.259)4.591 (2.607 to 8.086)
Self-confidence about quitting
 Will not succeedReferenceReferenceReferenceReference
 May not succeed−0.295 (−3.549 to 2.959)0.450 (0.073 to 2.771)1.889 (−0.547 to 4.324)2.870 (0.991 to 8.316)
 Uncertain−0.843 (−3.791 to 2.105)1.852 (0.372 to 9.229)1.533 (−0.666 to 3.732)1.698 (0.632 to 4.563)
 May succeed−0.365 (−3.294 to 2.563)0.841 (0.169 to 4.189)0.525 (−1.707 to 2.757)4.707 (1.774 to 12.487)
 Will succeed−3.265 (−6.537 to 0.006)2.264 (0.373 to 13.746)−0.243 (−2.613 to 2.127)5.697 (2.017 to 16.093)
Acceptance to cessation programme in workplace
 NoReferenceReferenceReferenceReference
 Yes−0.443 (−2.243 to 1.358)6.369 (2.227 to 18.182)−0.018 (−1.335 to 1.299)2.793 (1.655 to 4.717)
Smoking policies in workplace
 Restrictive smokingReferenceReferenceReferenceReference
 Smoke free−3.384 (−5.529 to 1.240)0.433 (0.136 to 1.384)−0.549 (−1.977 to 0.878)0.924 (0.539 to 1.584)