SM (n = 9) | AM (n = 51) | Statistical analyses | ||
Infants’ age (months)a | 9.0 (7.0 - 15.0) | 12.0 (10.0 - 15.0) | p = 0.198 | |
Maternal age (years)b | 22.0 ± 5.0 | 27.0 ± 6.0 | p = 0.028 | |
Maternal education (years)b | 9.0 ± 2.0 | 7.0 ± 3.0 | p = 0.013 | |
Socioeconomic classc | p = 0.462 | |||
C | 5 | 19 | ||
D | 4 | 32 | ||
Primiparousc | p = 0.032 | |||
Yes | 7 | 19 | ||
No | 2 | 32 |