Table 3.

The relationship between school readiness and other characteristics among Iranian 6-year-old children before entering school in national health assessment survey in 2009

Characteristic vs school readiness		Mean	P-value
Sex	Girl	35.38	<0.0001
	Boy	35.10
Preschool education	Yes	35.70	<0.0001
	No	33.64
Father's education	Illiterate	32.53	<0.0001
	Reading and writing	32.86
	Primary school	33.74
	High school	34.97
	Diploma	36.31
	Associate degree	36.85
	BSc	37.63
	MSc and above	38.51
	Illiterate	32.72
Mother's education	Reading and writing	33.16	<0.0001
	Primary school	33.86
	High school	35.16
	Diploma	36.59
	Associate degree	37.37
	BSc	37.97
	MSc. and above	39.13
Father's occupation	Unemployed	33.30	<0.0001
	Dead	34.67
	Employed	35.33
	Retired	35.68
Mother's occupation	Dead	34.29	<0.0001
	Housekeeper	35.01
	Retired	37.06
	Employed	37.53
Number of family members	9 and more	32.80	<0.0001 (others) 0.8 (2, 4)
	8	33.23
	7	33.53
	6	34.00
	5	34.70
	2	35.43
	4	35.51
	3	36.18
Parity number	8 and more	32.71	<0.0001
	7	32.94
	6	33.21
	5	33.66
	4	34.06
	3	34.70
	2	35.40
	1	35.67
Residency	Urban	35.90	<0.0001
	Rural	32.95