The Impact of Maternal Age and Educational Level on Developmental Dysplasia of the Hip Diagnosis and Screening: A Descriptive Comparative Study

Table 1

Comparison between the 4-month screened and delayed screening groups versus maternal factors.

Maternal factor		4-month screened	Delayed screening	value (differences among groups)
Maternal educational level	Middle school	12	25	≤ 0.001
	High school	39	32
	Graduate	49	18
Maternal age group	<20 (yr.)	3	21	≤ 0.001
	20–30 (yr.)	45	47
	30–40 (yr.)	46	7
	>40 (yr.)	6	0
	Mean age (yr.)	24	31	0.04