Table 3 The association of independent variables with daily salt intake and Na/K ratio in multiple linear regression models, Shahroud, Iran, 2018
From: Salt intake and blood pressure in Iranian children and adolescents: a population-based study
Independent Variables | Estimated daily salt intake | Spot urine Na/K ratio | Estimated daily Na/K ratio | |||
|---|---|---|---|---|---|---|
Coefficient (95% CI) | p value | Coefficient (95% CI) | p value | Coefficient (95% CI) | p value | |
Age (years) | 0.49 (0.40, 0.57) | < 0.001 | 0.13 (0.06, 0.20) | < 0.001 | 0.04 (0.01, 0.07) | 0.009 |
BMI z-score | 0.60 (0.51, 0.69) | < 0.001 | 0.05 (− 0.02, 0.12) | 0.138 | − 0.004 (− 0.03, 0.03) | 0.181 |
Sex (male/female) | 0.58 (0.28, 0.89) | < 0.001 | 0.17 (− 0.04, 0.39) | 0.108 | 0.06 (− 0.06, 0.16) | 0.608 |
Residence place (rural/urban) | 1.42 (0.96, 1.89) | < 0.001 | 0.94 (0.63, 1.25) | < 0.001 | 0.39 (0.201, 0.447) | < 0.001 |