Table 1. Sociodemographic and obstetric variables of the sample.
| Participants n = 80 M(SD)/n(%) |
Excluded n = 41 M(SD)/n(%) |
Testa | p | ||
|---|---|---|---|---|---|
| Sociodemographic variables | |||||
| Age | 32.17(4.06) | 32.80(5.00) | 0.75 | 0.45 | |
| Nationality | Spanish | 62(77%) | 36(88%) | 1.87 | 0.13 |
| Immigrant | 18(23%) | 5(12%) | |||
| Marital status | Married/cohabitant | 77(96%) | 41(100%) | 1.57 | 0.28 |
| Single/divorced/widow | 3(4%) | - | |||
| Level of education | Primary school | 1(1%) | - | ||
| Secondary school | 16(20%) | 12(29%) | 1.74 | 0.41 | |
| University | 63(79%) | 29(71%) | |||
| Employment status | Unemployed | 12(15%) | 9(22%) | 1.74 | 0.41 |
| Working | 68(85%) | 32(78%) | |||
| Hair | Natural | 43(54%) | - | - | - |
| Dyed | 37(46%) | - | |||
| Smoker | Yes | 7(9%) | 5(12%) | 0.36 | 0.38 |
| No | 73(91%) | 36(88%) | |||
| Alcohol | Yes | 1(1%) | 3(7%) | 3.12 | 0.11 |
| No | 79(99%) | 38(93%) | |||
| Obstetric information | |||||
| Primiparous | Yes | 48(60%) | 19(46%) | 2.04 | 0.10 |
| No | 32(40%) | 22(54%) | |||
| Wanted pregnancy | Yes | 72(90%) | 37(90%) | 0.00 | 0.61 |
| No | 8(10%) | 4(10%) | |||
| Pregnancy method | Spontaneous | 73(91%) | 37(90%) | 1.72 | 0.42 |
| Fertility treatment | 7(9%) | 4(10%) | |||
| Previous miscarriages | 0 | 67(84%) | 32(78%) | 0.59 | 0.74 |
| 1 | 10(12%) | 7(17%) | |||
| ≥ 2 | 3(4%) | 2(5%) | |||
| Previous children | 0 | 50(63%) | 23(56%) | 1.34 | 0.71 |
| 1 | 25(31%) | 13(32%) | |||
| ≥ 2 | 5(6%) | 5(12%) | |||
| Sex of the fetus | Male | 56(70%) | - | - | - |
| Female | 24(30%) | - | |||
Note
a Student’s t-test used for quantitative variables and Chi-square test for categorical variables.