Table 1 Characteristics of included and excluded participants
From: Fluoride exposure and pubertal development in children living in Mexico City
Included (total N = 333) | Excluded (total N = 221) | ||||
|---|---|---|---|---|---|
N | Mean (SD) or % | N | Mean (SD) or % | p-value | |
Demographics | |||||
Child’s age (years) | 333 | 13.9 (2.1) | 217 | 15.5 (1.8) | < 0.0001 |
Sex (male) | 157 | 47.2% | 108 | 49.8% | 0.55 |
BMI-for-age z-score | 333 | 0.5 (1.4) | 212 | 0.5 (1.0) | 0.79 |
Number of siblings at birth | 333 | 2.0 (1.0) | 212 | 2.0 (1.0) | 0.34 |
Maternal education (years) | 333 | 11.1 (3.0) | 212 | 10.6 (2.8) | 0.05 |
Marital status | |||||
Married | 245 | 73.6% | 142 | 67.6% | 0.14 |
Not married | 88 | 26.4% | 68 | 32.4% | |