| As | Arsenic |
| Cd | Cadmium |
| BA | BMI-for -age |
| BMI | Body mass index |
| PAF | Population attributable fraction |
| HA | Height-for- age |
| HC | Head circumference-for-the-age |
| Hg | Mercury |
| HQ | Hazard quotient |
| HW | Height-for- weight |
| MUAC | Middle-upper arm circumference |
| mo | Months |
| NTU | Nephelometric turbidity unit |
| Pb | Lead |
| RD | Risk difference |
| Ref. | Reference category |
| RfD | Reference dose |
| RR | Relative risk |
| SD | Standard deviation |
| SPSS | Statistical Package for Social Science |
| WA | Weight-for- age |
| WHO | World Health Organization |
| WH | Weight-for- height |