Overall Likelihood Ratio Test Chi Square1 | Odds Ratio [95 % CI]:Continuous Smoking (0) versus Quit Attempt and Relapse (1) | Odds Ratio [95 % CI]: Continuous Smoking (0) versus Successful Change (1) | |
---|---|---|---|
Step 1: Covariables Alone – Nagelkerke R2 = 0.10 (this step stayed the same for all 5 models) | |||
Age | 0.52 | 1.00 [0.98–1.02] | 1.01 [0.98–1.05] |
Sex (Male/Female) | 6.69* | 1.97* [1.16–3.36] | 0.97 [0.40–2.38] |
Educational Level (> HS/< HS) | 2.10 | 1.20 [0.65–2.22] | 0.55 [0.21–1.43] |
Race (Nonwhite/White) | 10.26** | 0.41** [0.24–0.72] | 0.67 [0.25–1.77] |
Nicotine Dependence | 7.76* | 0.96 [0.81–1.13] | 0.67** [0.50–0.90] |
Model 1: Importance – Nagelkerke R2 = 0.14 | |||
Age | 0.29 | 1.00 [0.98–1.02] | 1.01 [0.98–1.05] |
Sex (Male/Female) | 7.89* | 2.13** [1.24–3.68] | 1.04 [0.42–2.58] |
Educational Level (> HS/< HS) | 2.13 | 1.33 [0.72–2.46] | 0.62 [0.24–1.64] |
Race (Nonwhite/White) | 7.46* | 0.46** [0.26–0.81] | 0.76 [0.28–2.02] |
Nicotine Dependence | 6.58* | 0.99 [0.83–1.17] | 0.69* [0.51–0.93] |
Importance | 12.22** | 1.17** [1.06–1.29] | 1.18† [0.98–1.43] |
Model 2: Readiness – Nagelkerke R2 = 0.13 | |||
Age | 0.26 | 1.00 [0.85–1.20] | 1.01 [0.97–1.04] |
Sex (Male/Female) | 7.38* | 2.07** [1.20–3.56] | 0.99 [0.40–2.44] |
Educational Level (> HS/< HS) | 2.47 | 1.37 [0.73–2.55] | 0.61 [0.23–1.59] |
Race (Nonwhite/White) | 8.64* | 0.44** [0.25–0.77] | 0.69 [0.26–1.83] |
Nicotine Dependence | 6.33* | 1.01 [0.85–1.20] | 0.69* [0.51–0.94] |
Readiness | 9.23* | 1.13** [1.04–1.23] | 1.09 [0.94–1.27] |
Model 3: Confidence – Nagelkerke R2 = 0.13 | |||
Age | 0.05 | 1.00 [0.98–1.02] | 1.00 [0.97–1.04] |
Sex (Male/Female) | 7.37* | 2.06** [1.20–3.54] | 1.01 [0.41–2.51] |
Educational Level (> HS/< HS) | 2.16 | 1.28 [0.69–2.38] | 0.59 [0.22–1.55] |
Race (Nonwhite/White) | 7.79* | 0.46** [0.26–0.80] | 0.79 [0.30–2.13] |
Nicotine Dependence | 4.59 | 1.01 [0.85–1.20] | 0.73* [0.54–0.99] |
Confidence | 10.78** | 1.10* [1.02–1.19] | 1.21* [1.04–1.39] |
Model 4: Motivation Rulers Combined – Nagelkerke R2 = 0.16 | |||
Age | 0.20 | 1.00 [0.98–1.02] | 1.01 [0.97–1.04] |
Sex (Male/Female) | 7.94* | 2.15** [1.24–3.72] | 1.07 [0.43–2.71] |
Educational Level (> HS/< HS) | 2.73 | 1.37 [0.74–2.55] | 0.57 [0.21–1.53] |
Race (Nonwhite/White) | 6.98* | 0.47* [0.27–0.83] | 0.84 [0.31–2.28] |
Nicotine Dependence | 4.88† | 1.01 [0.85–1.20] | 0.72* [0.53–0.98] |
Importance | 4.22 | 1.11† [0.98–1.26] | 1.16 [0.93–1.44] |
Readiness | 2.21 | 1.04 [0.92–1.19] | 0.87 [0.70–1.09] |
Confidence | 5.48† | 1.03 [0.93–1.15] | 1.24* [1.03–1.53] |
Model 5: Stage of change – Nagelkerke R2 = 0.20 | |||
Age | 0.00 | 1.00 [0.98–1.02] | 1.00 [0.96–1.04] |
Sex (Male/Female) | 4.72† | 1.81* [1.04–3.15] | 0.99 [0.37–2.62] |
Educational Level (> HS/< HS) | 2.84 | 1.26 [0.66–2.35] | 0.48 [0.17–1.34] |
Race (Nonwhite/White) | 8.87* | 0.43** [0.24–0.76] | 0.88 [0.32–2.47] |
Nicotine Dependence | 5.40† | 1.01 [0.85–1.20] | 0.69* [0.50–0.96] |
Contemplation2 | 10.43** | 2.50** [1.36–4.59] | 0.46 [0.09–2.41] |
Preparation2 | 18.81*** | 3.06** [1.52–6.15] | 6.49** [2.20–19.12] |