Table 4.
The odds ratios for osteopenia according to green tea intake.
| Osteopenia | Cups of Green Tea/Day | ||
|---|---|---|---|
| None OR (95% CI) |
<1/Day OR (95% CI) |
1–3/Day OR (95% CI) |
|
| Lumbar spine (n = 1505) | |||
| Crude OR | 2.33 (1.70–3.21) | 1.76 (1.25–2.49) | 1 |
| Model 1 | 2.02 (1.46–2.81) | 1.76 (1.24–2.50) | 1 |
| Model 2 | 1.53 (1.09–2.15) | 1.56 (1.09–2.23) | 1 |
| Model 3 | 1.54 (1.10–2.16) | 1.63 (1.14–2.33) | 1 |
| Femur neck (n = 1970) | |||
| Crude OR | 1 | ||
| Model 1 | 1.67 (1.20–2.32) | 1.54 (1.11–2.15) | 1 |
| Model 2 | 1.46 (1.04–2.07) | 1.40 (0.99–1.98) | 1 |
| Model 3 | 1.50 (1.06–2.13) | 1.43 (1.01–2.04) | 1 |
| Total femur (n = 1239) | |||
| Crude OR | 2.03 (1.44–2.86) | 1.26 (0.89–1.79) | 1 |
| Model 1 | 1.38 (0.95–2.00) | 1.26 (0.78–1.81) | 1 |
| Model 2 | 1.08 (0.72–1.64) | 1.04 (0.70–1.55) | 1 |
| Model 3 | 1.09 (0.72–1.65) | 1.02 (0.68–1.52) | 1 |
| Lumbar spine or Femur neck or Total femur (n = 2144) | |||
| Crude OR | 2.44 (1.66–3.59) | 1.79 (1.21–2.64) | 1 |
| Model 1 | 2.11 (1.46–3.07) | 1.83 (1.25–2.67) | 1 |
| Model 2 | 1.81 (1.21–2.71) | 1.77 (1.19–2.63) | 1 |
| Model 3 | 1.81 (1.20–2.71) | 1.85 (1.23–2.77) | 1 |
OR; odds ratio, CI; confidence interval. Model 1: age-adjusted; Model 2: age, BMI, socioeconomic status, behavioral, hormonal, and nutritional factor adjusted; and Model 3: model 3 is adjusted for comorbidity in addition to model 2.