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Table 2 Odds Ratios and 95% confidence intervals of willingness to engage a partner in smoking cessation among smokers who participated in a web-assisted tobacco intervention trial (N = 983)

From: Teamwork for smoking cessation: which smoker was willing to engage their partner? Results from a cross-sectional study

Demographic factors N = 983
n (%)
Unadjusted Odds Ratio (95% confidence interval) p value Adjusted Odds Ratio (95% confidence interval) p-value
Age group (years)
 55+ 359 (36%) Reference   Reference  
 45–54 141 (14%) 1.73 (1.09–2.71) 0.18 1.43 (0.88–2.32) 0.15
 35–44 192 (20%) 2.12 (1.42–3.18) < 0.01 1.60 (1.03–2.51) 0.04
 19–34 291 (30%) 2.35 (1.64–3.37) < 0.01 1.87 (1.24–2.84) < 0.01
Gender
 Male 252 (26%) Reference   Reference  
 Women 731 (74%) 0.78 (0.57–1.07) 0.13 0.82 (0.58–1.16) 0.20
Education
 College graduate 681 (70%) Reference   Reference  
 High school 291 (30%) 1.41 (1.04–1.90) 0.02 1.19 (0.86–1.66) 0.33
Race/ethnicity
 Non-Hispanic white 679 (72%) Reference   Reference  
 Non-Hispanic black 127 (13%) 1.20 (0.80–1.81) 0.38 1.12 (0.72–1.75) 0.73
 Hispanic 63 (7%) 1.30 (0.75–2.26) 0.34 1.11 (0.62–1.99) 0.78
 Othera 81 (9%) 0.69 (0.36–1.21) 0.63 0.78 (0.43–1.41) 0.87
Smoking-related factors
 Cigarette packs per day
  Less than 1 pack/day 551 (56%) Reference 0.61 Reference 0.58
  1 or more packs/day 432 (44%) 1.07 (0.81–1.42)   1.10 (0.79–1.55)  
 Readiness for change
  Pre-contemplation 40 (4%) Reference   Reference  
  Contemplation 561 (57%) 0.53 (0.28–1.04) 0.06 0.55 (0.27–1.11) 0.12
  Preparation 64 (7%) 0.34 (0.14–0.83) 0.02 0.35 (0.14–0.91) 0.03
  Action 243 (25%) 0.49 (0.25–0.98) 0.04 0.47 (0.23–1.00) 0.05
  Maintenance 69 (7%) 0.37 (0.16–0.89) 0.02 0.30 (0.12–0.76) 0.02
 How soon after you wake up do you smoke your first cigarette?
  Within 5 min 385 (39%) Reference   Reference  
  6–30 min 370 (38%) 1.00 (0.73–1.38) 0.99 0.99 (0.70–1.42) 0.96
  31 to 60 min 111 (11%) 1.19 (0.76–1.89) 0.44 1.21 (0.73–2.00) 0.52
  After 60 min 117 (12%) 0.78 (0.48–1.27) 0.31 0.80 (0.46–1.39) 0.43
 Have you ever tried using e-cigarettes?b 763 (78%) 1.89 (1.30–2.75)   1.51 (1.02–2.25) 0.04
Smokers in immediate family besides self:
 No smokers 347 (35%) Reference   Reference  
 1 to 3 smokers 478 (49%) 2.61 (1.84–3.71) < 0.01 2.18 (1.51–3.15) < 0.01
 ≥ 4 smokers 158 (16% 3.98 (2.59–6.12) < 0.01 3.12 (1.95–4.98) < 0.01
 Participated in tobacco counsellingb 203 (21%) 1.78 (1.29–2.47) < 0.01 1.47 (0.92–2.37) 0.11
  Used nicotine replacement therapyb 464 (47%) 1.01 (0.76–1.34) 0.93 0.79 (0.53–1.19) 0.26
  Visited a smoking cessation website prior to the interventionb 445 (45%) 1.47 (1.11–1.95) < 0.01 1.62 (1.18–2.21) < 0.05
  1. aOther includes Asian, Native Hawaiian, American Indians, Alaska; bReference category (no); Hosmer–Lemeshow goodness-of-fit test of adjusted model: p-value > 0.05