Table 3:
Simple and multiple logistic regression analysis between obesity, BMI≥25, and independent variables
| Variable | Obesity | BMI>=25 (Overweight + obesity) | ||
|---|---|---|---|---|
| Simple OR* (95%CI) | Multiple OR* (95%CI) | Simple OR** (95%CI) | Multiple OR** (95%CI) | |
| Sex (Female=1, Male=0) | 5.06 (4.31–5.94) | 5.04(4.32–5.89) | 2.82 (2.51–3.16) | 2.96 (2.64–3.32) |
| Age | ||||
| 40–44 | 1 | 1 | 1 | 1 |
| 45–49 | 0.98(0.79–1.22) | 1.10(0.88–1.38) | 0.96(0.8–1.15) | 1.04 (0.86–1.23) |
| 50–54 | 0.9(0.71–1.13) | 1.10(0.86–1.4) | 0.87(0.71–1.07) | 0.99 (0.81–1.21) |
| 55–59 | 1.07(0.85–1.36) | 1.41(1.11–1.79) | 1.03(0.84–1.26) | 1.23 (1.00–1.52) |
| 60–64 | 0.99(0.75–1.3) | 1.17(0.86–1.59) | 1.05(0.83–1.32) | 1.31 (1.02–1.67) |
| Educational level | ||||
| Illiterate | 1 | 1 | ||
| Primary school | 0.81 (0.62–1.06) | 0.94 (0.73–1.2) | ||
| Guidance School | 0.81 (0.55–1.20) | 0.98 (0.69–1.39) | ||
| High school | 0.83 (0.60–1.14) | 1.07 (0.81–1.42) | ||
| College | 0.42 (0.29–0.6) | 0.75 (0.56–1.01) | ||
| Economic status | ||||
| Low | 1 | 1 | 1 | |
| Medium | 1.06 (0.85–1.32) | 1.15 (0.95–1.39) | 1.24 (1.03–1.49) | |
| High | 0.95 (0.78–1.15) | 1.14 (0.95–1.36) | 1.33 (1.12–1.57) | |
| Marital status | ||||
| Single | 1 | 1 | ||
| Married | 1.66 (0.78–3.54) | 1.46 (0.79–2.68) | ||
| Widow | 2.94 (1.30–6.62) | 2.07 (1.08–3.99) | ||
| Divorced | 4.09 (1.15–14.56) | 2.97 (1.01–8.77) | ||
*
In obese cases, the odds ratio was calculated for people with BMI<25
**
In those with BMI≥25, the odds ratio was calculated for people with BMI<25
CI: confidence interval