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Table 6 Unadjusted and adjusted associations between frequent attendance/non-frequent attendance and perinatal outcomes, stratified by referral

From: Perinatal outcomes of frequent attendance in midwifery care in the Netherlands: a retrospective cohort study

 

Non-referred

 

Referred

 

Unadjusted

n ≤ 538*

Adjusted

n ≤ 538*

Unadjusted

n ≤ 477*

Adjusted

n ≤ 477*

OR (95%CI)

OR (95%CI)

OR (95%CI)

OR (95%CI)

Mode of delivery*

 Spontaneous

 Assisted birth#

1.25 (0.71–2.19)

1.14 (0.63–2.07)

0.97 (0.64–1.47)

0.94 (0.60–1.47)

Birthweight (in percentiles)*

 p ≥ 10

 p > 10

0.51 (0.21–1.24)

0.51 (0.21–1.24)

0.90 (0.46–1.76)

0.93 (0.47–1.84)

Perineum*

 Not ruptured

 Ruptured

0.97 (0.58–1.62)

1.05 (0.61–1.80)

0.53 (0.30–0.95)

0.50 (0.27–0.95)

 Episiotomy

1.55 (0.89–2.71)

1.53 (0.80–2.94)

0.49 (0.27–0.89)

0.48 (0.24–0.95)

Haemorrhage*

 No

 Yes

0.91 (0.34–2.47)

0.97 (0.37–2.78)

0.50 (0.21–1.15)

0.52 (0.22–1.21)

Place of birth

 Home/birth centre

    

 Hospital

1.34 (0.87–2.05)

1.36 (0.87–2.12)

NA

NA

Transfer during labour*

 No

 Yes

1.34 (0.87–2.06)

1.31 (0.85–2.03)

NA

NA

Induction of labour*

 No

 Yes

NA

NA

1.87 (1.20–2.92)

1.86 (1.17–2.95)

Medical pain relief*

 No

 Yes

2.06 (1.34–3.20)

1.98 (1.24–3.17)

1.40 (0.93–2.11)

1.38 (0.88–2.15)

Log duration of dilatations in hours

1.20 (1.04–1.38)

1.20 (1.04–1.38)

1.03 (0.87–1.21)

1.03 (0.87–1.21)

Log duration of expulsion in minutes

1.06 (0.83–1.36)

1.06 (0.83–1.36)

0.91 (0.70–1.20)

0.91 (0.70–1.20)

  1. *sample size varies due to missing data; #vaginal assisted birth and Caesarean section together; OR = odds ratio, CI = confidence intervals 95%
  2. No regression analysis for:
  3. Apgar score
  4. Perinatal death
  5. Gestational age