Changes in perceived knowledge about childbirth among pregnant women participating in the Senses of Birth intervention in Brazil: a cross-sectional study

Table 2 Mean knowledge about EBP, normal birth, and cesarean of pregnant women before visiting the intervention

	EBP Knowledge Domain			Normal Birth Knowledge Domain			Cesarean Knowledge Domain
Characteristics	Mean	Std. Deviation	P-value	Mean	Std. Deviation	P-value	Mean	Std. Deviation	P-value
Age^c
19–34 years	3.12	1.079	0.037^**	3.68	0.948	0.012^**	3.51	0.986	0.014^**
≥ 35 years	3.28	1.081		3.85	0.891		3.68	0.967
TOTAL	3.15	1.081		3.71	0.940		3.54	0.985
Education^b
≤ 12 years	2.48	0.888	0.000^**	3.31	0.992	0.000^**	2.97	0.986	0.000^**
> 12 years	3.45	1.028		3.90	0.858		3.80	0.866
TOTAL	3.14	1.082		3.71	0.942		3.54	0.983
Income^{a, d}
< 2 MW	2.50	0.910	0.000^**	3.37	0.970	0.000^**	2.99	0.986	0.000^**
2 to < 5 MW	3.00	1.050		3.61	0.947		3.45	0.866
5 to < 10 MW	3.48	1.010		3.87	0.858		3.79	0.983
≥ 10 MW	3.78	0.906		4.13	0.759		4.07	0.986
TOTAL	3.15	1.082		3.72	0.935		3.54	0.866
Race^{b, c}
White	3.35	1.053	0.000^**	3.88	0.852	0.000^**	3.76	0.890	0.000^**
Black and Others	2.96	1.071		3.57	0.985		3.35	1.021
TOTAL	3.14	1.080		3.71	0.939		3.54	0.985
First Pregnancy^b
Yes	3.23	1.127	0.044^**	3.74	0.975	***	3.59	1.033	***
No	3.11	1.048		3.73	0.918		3.53	0.939
TOTAL	3.17	1.090		3.73	0.947		3.56	0.988
Private Health Insurance^b
Yes	3.32	1.055	0.000^**	3.82	0.885	0.000^**	3.70	0.926	0.000^**
No	2.62	0.984		3.37	1.020		3.08	1.010
TOTAL	3.15	1.081		3.71	0.941		3.54	0.984
Prenatal Care Coverage^{b, c}
SUS (Public)	2.96	1.110	0.000^**	3.61	1.003	0.003^**	3.30	1.052	0.000**
Private	3.26	1.048		3.77	0.883		3.68	0.907
TOTAL	3.15	1.079		3.72	0.930		3.55	0.976
Pregnancy Trimester at the time of the intervention^{b, c}
1st or 2nd	3.08	1.039	0.000^**	3.64	0.920	0.000^**	3.50	0.921	0.000^**
3rd	3.36	1.097		3.91	0.899		3.72	1.003
TOTAL	3.19	1.070		3.74	0.921		3.58	0.959

^aMonthly Minimum Wage in 2015: R$788.00 = U$224.14
^bWelch Test of Equality of Means – P-value ≤0.05
^cLevene Statistics – P-value ≥0.05
^dTukey Test – P-value ≤0.05
**P value ≤0.001
*** P-value was not reported since variables did not meet assumption criteria of distribution of means

ISSN: 1471-2393