Introduction:

Premature or low birth weight population require care plans that recognize the socio-demographic factors influencing prognosis.

Objective:

To prove the association of sociodemographic factors in the motor development of premature or low birth weight children.

Materials and methods:

Motor development of 49 premature or low birth weight infants was evaluated using the Alberta Infant Motor Scale (AIMS) and their status was associated to socio-demographic aspects reported by mothers.

Results:

82% of children presented delays in motor development, which was determined by differentiating the motor age scored through AIMS and the chronological age in full-term children. A corrected age was used for preterm children. The population was divided into three groups according to age: 0 to 4 months, 5 to 7 months, and 7 months and older. The difference in average motor retardation was calculated by socio-economic stratum, age, occupation and educational level of the mother. Increased motor delays were found in children whose mothers were younger than 25 (p <0.05).

Conclusion:

The age of the mother was associated with the motor development of premature or low birth weight infants in the group of 4 to 7 months.

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