Multiple logistic regression model for predicting use of w3 FA supplements in people aged 45 years and older
| Factor | OR | 99% CI |
|---|---|---|
| Sex | ||
| Male | 1.00 | – |
| Female | 1.42 | 1.37 to 1.48 |
| Age | ||
| 45–49 | 1.00 | – |
| 50–59 | 1.43 | 1.36 to 1.52 |
| 60–69 | 1.84 | 1.73 to 1.96 |
| 70–79 | 1.76 | 1.64 to 1.90 |
| 80+ | 1.32 | 1.21 to 1.44 |
| Place of residence | ||
| Major city | 1.00 | – |
| Inner regional | 0.98 | 0.95 to 1.02 |
| Outer regional | 0.89 | 0.85 to 0.93 |
| Remote/very remote | 0.86 | 0.75 to 0.98 |
| Annual | ||
| <$20000 | 1.00 | – |
| Household income | ||
| $20000–$49999 | 1.14 | 1.08 to 1.20 |
| $50000–$69999 | 1.13 | 1.06 to 1.21 |
| ≥$70000 | 1.03 | 0.97 to 1.10 |
| Insurance | ||
| Private | 1.00 | – |
| DVA or HCC | 0.93 | 0.89 to 0.98 |
| None | 0.84 | 0.80 to 0.89 |
| Smoking status | ||
| Current smoker | 1.00 | – |
| Former smoker | 1.66 | 1.53 to 1.79 |
| Never smoked | 1.56 | 1.44 to 1.69 |
| Alcohol | ||
| 0–6 drinks/week | 1.00 | – |
| Consumption | ||
| 7–13 drinks/week | 1.02 | 0.97 to 1.07 |
| 14–20 drinks/week | 0.94 | 0.89 to 1.00 |
| ≥21 drinks/week | 0.83 | 0.78 to 0.89 |
| Overall health | ||
| Excellent/very good/good | 1.00 | – |
| Fair/poor | 0.82 | 0.77 to 0.86 |
| Osteoarthritis | ||
| No | 1.00 | – |
| Yes | 1.65 | 1.55 to 1.76 |
| Osteoporosis | ||
| No | 1.00 | – |
| Yes | 1.09 | 1.01 to 1.18 |
| Cancer | ||
| No | 1.00 | – |
| Yes | 0.89 | 0.80 to 0.99 |
| High blood pressure | ||
| No | 1.00 | – |
| Yes | 0.95 | 0.91 to 0.99 |
| High cholesterol | ||
| No | 1.00 | – |
| Yes | 1.23 | 1.17 to 1.29 |
| Anxiety and depression | ||
| Neither | 1.00 | – |
| Depression only | 1.01 | 0.92 to 1.11 |
| Anxiety only | 1.16 | 1.01 to 1.34 |
| Both | 1.19 | 1.07 to 1.32 |
w3 FA, Ω-3 fatty acid.[colcnt=2]