Pre-labour Factors | n | Mean (SD) | Mean difference | During labour factors | n | Mean (SD) | MD (95% CI) |
---|---|---|---|---|---|---|---|
Hospital | Woman dehydrationb | ||||||
Taleghani | 340 | 23.8 (6.6) | −0.02 (− 1.0 to 1.0) | No | 350 | 26.4 (5.9) | reference |
Al-zahra | 334 | 23.9 (6.3) | reference | Less than 3 h | 266 | 21.8 (6.0) | −4.6 (− 5.7 to − 3.2)*** |
Age (year) | More than 3 h | 58 | 18.0 (4.1) | −8.4 (− 10.3 to − 6.4)*** | |||
≤ 20 | 116 | 24.1 (5.8) | 0.3 (−1.0 to 1.9) | Labour Induction with oxytocin | |||
21–34 | 477 | 23.8 (6.5) | reference | No | 384 | 27.0 (5.6) | reference |
35+ | 81 | 24.0 (7.1) | 0.2 (− 2.0 to 1.7) | Yes | 290 | 19.7 (5.0) | −7.3 (−8.1 to − 6.5)*** |
Woman educationa | Labour Augmentation with oxytocin | ||||||
No or low | 372 | 24.1 (6.4) | reference | No | 196 | 28.9 (4.7) | reference |
High | 302 | 23.6 (6.6) | −0.5 (−1.5 to 0.5) | Yes | 478 | 21.7 (5.9) | −7.2 (−8.2 to − 6.3)*** |
Views on household Income | Amniotomy | ||||||
Sufficient | 304 | 24.7 (6.6) | reference | No | 357 | 24.5 (6.6) | reference |
Insufficient | 370 | 23.2 (6.3) | −1.5 (−2.5 to − 0.5)** | Yes | 317 | 23.1 (6.2) | −1.4 (− 2.4 to − 0.4)** |
Parity | Abnormal fetal cardiogram | ||||||
Primiparous | 382 | 23.1 (6.2) | −1.8 (−2.8 to − 0.9)*** | No | 653 | 24.0 (6.5) | reference |
Multiparous | 292 | 24.9 (6.7) | reference | Yes | 21 | 19.4 (5.5) | −4.6 (−7.4 to − 1.8)** |
Planned pregnancy | Receive remifentanil | ||||||
Yes | 558 | 24.1 (6.4) | reference | No | 557 | 24.3 (6.4) | reference |
No | 116 | 23.8 (6.5) | 0.3 (−1.0 to 1.6) | Yes | 117 | 21.5 (6.4) | −2.81 (−4.1 to − 1.5)*** |
Attendance at birth preparation classes | Labour dystocia | ||||||
Yes | 70 | 25.4 (6.2) | reference | No | 335 | 28.8 (4.1) | reference |
No | 604 | 23.7 (6.5) | −1.7 (−3.4 to −0.1)* | Yes | 339 | 18.9 (4.2) | −9.9 (− 10.6 to − 9.3)*** |
Woman experience of violence during pregnancy | Fearc | ||||||
Physical violence | Low | 285 | 28.7 (4.9) | reference | |||
No | 618 | 24.0 (6.5) | reference | High | 389 | 20.3 (5.1) | −8.4 (−9.2 to − 7.6)*** |
Yes | 56 | 22.4 (6.4) | −1.6 (−3.3 to 0.2) | Anxiety statec | |||
Emotional violence | Mild | 232 | 30.2 (3.6) | reference | |||
No | 484 | 24.6 (6.3) | reference | Moderate | 175 | 23.9 (4.9) | −6.2 (−7.2 to − 5.3)*** |
Yes | 190 | 21.9 (6.5) | −2.7 (−3.7 to − 1.6)*** | Severe | 267 | 18.3 (3.7) | −11.8 (−12.7 to − 11.0)*** |
Sexual violence | Support by staffb | ||||||
No | 600 | 24.4 (6.4) | reference | Insufficient | 109 | 16.4 (3.4) | −8.8 (−10.0 to − 7.7)*** |
Yes | 74 | 19.4 (5.4) | −5.0 (−6.5 to − 3.5)*** | Sufficient | 565 | 25.3 (5.9) | reference |
Woman preference of birth | Mode of childbirth | ||||||
Vaginal or no matter | 578 | 24.3 (6.4) | reference | Vaginal with no epi/tear | 85 | 27.2 (5.8) | reference |
Cesarean | 96 | 21.1 (6.0) | −3.2 (−4.6 to − 1.9)*** | Vaginal with epi or tear | 507 | 24.2 (6.2) | −2.9 (− 4.8 to − 1.0)*** |
Gestational age (weeks) | Vaginal with epi and tear | 41 | 18.9 (5.5) | −8.2 (−11.2 to − 5.2)*** | |||
370 to 396 | 427 | 24.5 (6.4) | reference | Emergency CS | 41 | 16.9 (4.0) | −10.3 (− 13.3 to − 7.3)*** |
400 or more | 247 | 22.7 (6.4) | − 1.77 (−2.8 to − 0.8)** | Breast feeding at 1st h after childbirth | |||
Yes | 618 | 24.2 (6.4) | reference | ||||
No | 56 | 20.3 (5.6) | −4.2 (−5.9 to − 2.4)*** |