Table 1. Characteristics of the participants.

Characteristics	Parturients n = 150
Age (years)
Variation	15–40
Mean ± SD	24.61 ± 6.210
Gestational age (week)
Variation	37–41
Mean ± SD	39.18 ± 1.14
Number of deliveries n (%)
Nulliparous	60 (40.0%)
Primiparous	20 (13.3%)
Multiparous	70 (46.7%)
Marital status n (%)
Single	32 (21.3%)
Married	42 (28%)
Widow	1 (0.7%)
Consensual union	75 (50%)
Educational level n (%)
1–3 years	6 (4%)
4–7 years	30 (20%)
8–11 years	54 (36%)
More than 12 years	60 (40%)
Per capita income n (%)
< 1 MW	65 (43.3%)
1–3 MW	81 (54%)
4–6 MW	4 (2.7%)
Origin n (%)
Metropolitan region	101 (67.3%)
Pernambuco countryside	45 (30%)
Other regions	4 (2.7%)
Occupation n (%)
Housewife	79 (52.7%)
Others	71 (47.3%)

Abbreviations: MW, minimum wage; SD, standard deviation.