Table 3.
Odds ratios (OR) for overweight and obesity according to tertile of 24-h sodium excretion among Iranian children and adolescents aged 11-18 years, Isfahan, Iran
| Variable | Tertile of Na excretion (mg/d) |
|||
|---|---|---|---|---|
| T1 < 1750 |
T2 1750- 3420 |
T3 > 3420 |
P for trend | |
| OR (95%CI) | OR (95%CI) | |||
| Crude 1 | 1 | 1.37 (0.67-2.82) | 8.01 (4.20-15.3) | P < 0.001 |
| Model 1 | 1 | 1.36 (0.65-2.84) | 8.70 (4.44-17.0) | P < 0.001 |
| Model 2 | 1 | 1.47 (0.69-3.14) | 8.33 (4.14-16.8) | P < 0.001 |
| Model 3 | 1 | 1.43 (0.67-3.08) | 7.80 (3.86-15.8) | P < 0.001 |
| Model 4 | 1 | 1.12 (0.50-2.51) | 4.97 (2.34-10.6) | P < 0.010 |
Overweight/obesity defined as BMI ≥ 85th
T: Tertile; OR: Odds ratio; CI: Confidence interval; Reference category: Low/normal body mass index vs overweight/obesity; Crude: Unadjusted
Model 1: Adjusted for age, sex, parents’ education level and household income; Model 2: Additionally, adjusted for physical activity (low, moderate, high); Model 3: Additionally, adjusted for sugar-sweetened beverages (g/d); Model 4: Additionally, adjusted for energy intake (kcal/d)