Unadjusted and adjusted ORs for stages of change in physical activity and dietary habits as the dependent variable
| Variable | Unadjusted OR | 95% CI | p Value | Adjusted OR* | 95% CI | p Value |
|---|---|---|---|---|---|---|
| Stage of change in physical activity as dependent | ||||||
| TTM stage of change in dietary changes | ||||||
| 1. Preaction (ref) | 1 | – | – | 1 | – | – |
| Action | 2.38 | 1.05–5.26 | 0.036† | 2.50 | 1.10–5.88 | 0.028† |
| Clinical variable | ||||||
| BMI | 0.92 | 0.86–0.98 | 0.011† | 0.92 | 0.86–0.99 | 0.019† |
| SF-36 | ||||||
| Physical functioning | 1.03 | 1.01–1.05 | 0.005† | 1.03 | 1.01–1.05 | 0.002† |
| Role physical | 1.01 | 1.00–1.02 | 0.046† | 1.01 | 1.00–1.03 | 0.030† |
| Bodily pain | 1.02 | 1.00–1.03 | 0.009† | 1.02 | 1.00–1.03 | 0.010† |
| General health | 1.02 | 1.01–1.04 | 0.004† | 1.02 | 1.01–1.04 | 0.005† |
| Vitality | 1.04 | 1.01–1.06 | 0.001† | 1.04 | 1.01–1.06 | 0.002† |
| Social functioning | 1.02 | 1.01–1.04 | 0.006† | 1.02 | 1.01–1.04 | 0.007† |
| Role emotional | 1.01 | 0.99–1.03 | 0.094 | 1.01 | 0.99–1.03 | 0.072 |
| Mental health | 1.04 | 1.01–1.07 | 0.005† | 1.04 | 1.01–1.07 | 0.008† |
| PCS | 1.14 | 1.04–1.24 | 0.005† | 1.17 | 1.06–1.29 | 0.002† |
| MCS | 1.04 | 1.00–1.08 | 0.049† | 1.04 | 0.99–1.08 | 0.072 |
| heiQ | ||||||
| Health-directed activity | 13.4 | 5.36–33.49 | <0.001† | 14.6 | 5.69–37.49 | <0.001† |
| Positive and active engagement in life | 3.49 | 1.57–7.72 | 0.002† | 4.08 | 1.75–9.53 | 0.001† |
| Emotional distress | 1.65 | 0.99–2.73 | 0.052 | 1.67 | 0.98–2.81 | 0.055 |
| Self-monitoring and insight | 2.53 | 0.94–6.82 | 0.065 | 2.53 | 0.92–6.96 | 0.072 |
| Constructive attitude and approaches | 2.38 | 1.24–4.57 | 0.009† | 2.73 | 1.37–5.45 | 0.004† |
| Skill and technique acquisition | 3.77 | 1.53–9.28 | 0.004† | 4.50 | 1.77–11.43 | 0.002† |
| Social integration and support | 2.78 | 1.45–5.32 | 0.002† | 2.86 | 1.47–5.55 | 0.002† |
| Health service navigation | 2.64 | 1.29–5.39 | 0.008† | 2.64 | 1.27–5.45 | 0.009† |
| CES-D | ||||||
| <16 | 2.78 | 1.16–6.65 | 0.022† | 2.86 | 1.17–7.01 | 0.022† |
| ≥16 (ref) | 1 | – | – | 1 | – | – |
| Physical activity | ||||||
| Physically inactive (ref) | 1 | – | – | – | – | – |
| Physically active | 14.29 | 6.25–33.34 | <0.001† | 16.67 | 6.67–33.34 | <0.001† |
| Stage of change in dietary habits as dependent | ||||||
| TTM stages of change in physical activity | ||||||
| Preaction (ref) | 1 | – | – | – | – | – |
| Action | 2.38 | 1.05–5.26 | 0.036† | 2.50 | 1.10–5.88 | 0.028† |
| SF-36 | ||||||
| Physical functioning | 1.02 | 0.99–1.04 | 0.181 | 1.02 | 0.98–1.05 | 0.404 |
| Role physical | 1.00 | 0.99–1.01 | 0.936 | 1.00 | 0.99–1.02 | 0.805 |
| Bodily pain | 1.00 | 0.99–1.02 | 0.763 | 1.00 | 0.99–1.02 | 0.735 |
| General health | 1.01 | 0.99–1.03 | 0.303 | 1.01 | 0.99–1.03 | 0.277 |
| Vitality | 1.00 | 0.98–1.03 | 0.817 | 1.00 | 0.98–1.03 | 0.734 |
| Social functioning | 0.99 | 0.98–1.01 | 0.218 | 0.99 | 0.98–1.01 | 0.290 |
| Role emotional | 0.99 | 0.97–1.01 | 0.236 | 0.99 | 0.98–1.01 | 0.287 |
| Mental health | 0.98 | 0.96–1.01 | 0.184 | 0.98 | 0.96–1.01 | 0.168 |
| PCS | 1.02 | 0.97–1.20 | 0.181 | 1.01 | 0.99–1.24 | 0.088 |
| MCS | 0.96 | 0.93–0.99 | 0.043† | 0.96 | 0.92–0.99 | 0.039† |
| heiQ | ||||||
| Health-directed activity | 1.19 | 1.02–1.38 | 0.024† | 1.19 | 1.02–1.38 | 0.026† |
| Positive and active engagement in life | 1.28 | 0.56–2.93 | 0.561 | 1.33 | 0.57–3.11 | 0.509 |
| Emotional distress | 1.09 | 0.60–1.98 | 0.765 | 1.01 | 0.97–1.04 | 0.748 |
| Self-monitoring and insight | 7.74 | 2.14–28.04 | 0.002† | 7.72 | 2.09–28.60 | 0.002† |
| Constructive attitudes and approaches | 1.20 | 0.56–2.53 | 0.641 | 1.18 | 0.54–2.54 | 0.683 |
| Skill and technique acquisition | 3.68 | 1.34–10.15 | 0.012† | 3.74 | 1.32–10.64 | 0.013† |
| Social integration and support | 1.10 | 0.54–2.22 | 0.799 | 1.01 | 0.97–1.04 | 0.727 |
| Health service navigation | 2.43 | 1.03–5.70 | 0.042† | 2.52 | 1.05–6.02 | 0.038† |
| CES-D | ||||||
| <16 | 0.63 | 0.26–1.54 | 0.308 | 0.58 | 0.23–1.48 | 0.254 |
| ≥16 (ref) | 1 | – | – | 1 | – | – |
| Diet | ||||||
| Daily average intake of greens | 1.27 | 1.06–1.52 | 0.009† | 1.27 | 1.05–1.54 | 0.012† |
| Diet change past year | ||||||
| No change | 0.42 | 0.19–0.96 | 0.040† | 0.37 | 0.16–0.89 | 0.026† |
| Change (ref) | 1 | – | – | 1 | – | – |
*Adjusted for age, gender, and education using Multiple Logistic Regression.
†Statistically significant, p<0.05.
BMI, body mass index; CES-D, Center for Epidemiologic Studies Depression scale; heiQ, Health Education Impact Questionnaire; MCS, mental component score; PCS, physical component score; SF-36, short form 36; TTM, The Transtheoretical Model Stages of Change.