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. 2021 Apr 13;21:67. doi: 10.1186/s12902-021-00731-8

Table 1.

Descriptive data of demographic variables

Variable		Control group (n=53)	Intervention group (n=51)	P-value^a
Variable		Mean ± SD	Mean ± SD	P-value^a
Mother’s age (year)		28.72 ±4.13	29.23± 3.80	0.507
BMI(kg/m²)		23.04± 1.29	22.75 ± 1.38	0.273
		Number (percentage)	Number (percentage)	P-value^b
Ethnicity	Persian	(66.0)35	)82.4(42	0.058
Ethnicity	Arab	(34)18	(17.6)9	0.058
Education	diplom NO	)28.3(15	(13.7)7	0.11
	Diploma	(34.0)18	)31.4(16
	University degree	)37.7)20	(54.9)28
Occupation	Employed	(88.7)47	(66.7(34	0.007
Occupation	Housewife	)11.3(6	(33.3)17	0.007
Place of residence	City	)98.15(52	(100)51	<990
Place of residence	Village	(1.9)1	0(0)	<990
Type of house ownership	Owner	)82.7(43	)66.7(34	0.061
Type of house ownership	Tenant	(17.3)9	(33.3)17	0.061

a: Based on Mann Whitney test

b: Based on chi-squared test