Table 3.
Dietary supplement use (prevalence ratio and 95% confidence intervals) across health-related characteristics in adults from the Australian Health Survey (n = 4895).
| Characteristic | Crude | Adjusted 1 | ||
|---|---|---|---|---|
| Supplement User 2 | p-Value 3 | Supplement User 2 | p-Value 4 | |
| Blood pressure | 0.443 | 0.031 | ||
| Non-hypertensive (reference) | 1.00 | 1.00 | ||
| Hypertensive | 0.95 (0.85, 1.08) | 0.87 (0.77, 0.99) | ||
| Chronic disease | 0.372 | 0.734 | ||
| Absent (reference) | 1.00 | 1.00 | ||
| Present | 1.10 (0.89, 1.35) | 0.97 (0.79, 1.18) | ||
| Waist Circumference (cm) | 0.411 | 0.007 | ||
| No risk (reference) | 1.00 | 1.00 | ||
| Increased risk | 0.97 (0.85, 1.21) | 0.89 (0.79, 1.01) | ||
| Substantially increased risk | 0.94 (0.84, 1.04) | 0.83 (0.75, 0.93) | ||
| BMI (kg/m2) | 0.120 | 0.081 | ||
| Underweight (reference) | 1.00 | 1.00 | ||
| Normal | 1.11 (0.65, 1.89) | 0.89 (0.51, 1.55) | ||
| Overweight | 1.10 (0.62, 1.96) | 0.86 (0.48, 1.54) | ||
| Obese | 0.95 (0.58, 1.57) | 0.75 (0.45, 1.27) | ||
1 Poisson regression model, adjusted for sex, age, education, area level disadvantage, smoking, fruit and vegetable consumption and DGI; 2 Prevalence ratio (95% CI); 3 F-test was conducted to obtain an overall p-value for categorical variables; 4 F-test was conducted to obtain an overall p-value for categorical variables.