Table 1.
Sociodemographic sample characteristics and obstetric and neonatal outcomes (n = 795).
| AC (antenatal classes group) n = 592 |
NAC (Non antenatal classes group) n = 203 |
Test result | p value | |
|---|---|---|---|---|
| Completion time from birth (days), M ± SD | 436.58 ± 216.79 | 401.56 ± 234.01 | 1.86a | 0.52 |
| Maternal age at birth (years), M ± SD | 32.9 ± 4.16 | 31.71 ± 5.02 | 3.04a | 0.001 |
| Gravidity , M ± SD | 1.31 ± .67 | 1.40 ± .92 | − 1.31a | 0.13 |
| BMI at birth (weight at birth in kg/ (size in cm)2, M ± SD | 27.29 ± 9.36 | 28.31 ± 4.92 | − 1.52a | 0.44 |
| Country of origin, n (%) | 7.72b | 0.103 | ||
| Switzerland | 359 (60.6%) | 128 (63.1%) | ||
| European Union (UE) | 189 (31.9%) | 51 (25.1%) | ||
| Europe except UE | 13 (2.2%) | 10 (4.9%) | ||
| Americas | 17 (2.9%) | 6 (3%) | ||
| Other countries | 14 (2.4%) | 8 (3.9%) | ||
| Civil Status, n (%) | 0.42b | 0.811 | ||
| Single/ Separate/Divorced/Widow | 182 (31%) | 60 (30%) | ||
| Married / In common-law | 405 (69%) | 140 (70%) | ||
| Educational background, n (%) | 48.48b | 0.000 | ||
| Primary education/Secondary education or other level | 9 (1.5%) | 18 (9%) | ||
| Apprenticeship | 92 (15.7%) | 56 (27.9%) | ||
| Higher secondary education | 35 (6%) | 18 (9%) | ||
| University or higher education | 450 (76.8%) | 109 (54.2%) | ||
| Employment status categorized according to Nomenclature suisse des professions CH-ISCO-19, n (%) | 42.65b | 0.000 | ||
| Directors, executives managers | 28 (4.9%) | 13 (6.8%) | ||
| Intellectual and scientific professions | 388 (67.8%) | 82 (43.2%) | ||
| Intermediate professions | 94 (16.4%) | 49 (25.8%) | ||
| Administrative type employees | 11 (1.9%) | 5 (2.6%) | ||
| Staff in direct services to individuals, traders and salespeople | 19 (3.3%) | 19 (10%) | ||
| Other professions | 10 (1.7%) | 5 (2.6%) | ||
| No employment | 22 (3.8) | 17 (8.9%) | ||
| Fertility treatment, n (%) | 71 (12%) | 21 (10.3%) | 0.41b | 0.522 |
| Mode of delivery, n (%) | 8.63b | 0.071 | ||
| Elective caesarean | 35 (5.9%) | 22 (10.8%) | ||
| Emergency caesarean | 84 (14.2%) | 31 (15.3%) | ||
| Forceps | 58 (9.8%) | 11 (5.4%) | ||
| Vacuum extraction | 42 (7.1%) | 14 (6.9%) | ||
| Spontaneous birth | 373 (63%) | 125 (61.6%) | ||
| Induction of labor, n (%) | 190 (36.9%) | 61 (36.1%) | 0.04b | 0.852 |
| Oxytocin augmentation, n (%) | 105 (20.4%) | 30 (17.8%) | 0.56b | 0.455 |
| Analgesia, n (%) | 2.2b | 0.699 | ||
| None | 36 (6.1%) | 11 (5.4%) | ||
| Local anaesthesia, Pudendal Nerve Block, EMONO (Nitrous Oxide/Oxygen 50%/50%) | 92 (15.5%) | 28 (13.8%) | ||
| Epidural | 390 (65.95%) | 131 (64.5%) | ||
| Spinal anaesthesia | 68 (11.5%) | 31 (15.3%) | ||
| General anaesthesia | 6 (1%) | 2 (1%) | ||
| Apgar at 1 min, M ± SD | 8.13 ± 1.95 | 7.84 ± 2.38 | 1.57a | 0.084 |
| Apgar < 7 at 1 min, n (%) | 112 (18.9%) | 47 (23.1%) | 1.69b | 0.193 |
| Apgar at 5 min, M ± SD | 9.38 ± 1.0 | 9.21 ± 1.32 | 1.71a | 0.051 |
| Apgar < 7 at 5 min, n (%) | 9 (0.01%) | 8 (0.04%) | 4.23c | 0.0496 |
| Apgar at 10 min, M ± SD | 9.74 ± .71 | 9.67 ± .76 | 1.1a | 0.258 |
| Birth weight (grams), M ± SD | 3305.12 ± 427.87 | 3283.10 ± 438.25 | 0.63a | 0.530 |
aIndependent sample t test.
bChi2 test.
cFischer exact test.