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Table 8 Multivariable logistic regression of lack of vaginal lubrication at 6 and 12 months postpartum

From: Prevalence of and risk factors associated with sexual health issues in primiparous women at 6 and 12 months postpartum; a longitudinal prospective cohort study (the MAMMI study)

Associated factors   6/12 postpartum    12/12 postpartum   
  Total n = 758 Total n = 591
  OR 95% CI p value OR 95% CI p value
Age Groups 18–29 years 1.0 (ref.)    1.0 (ref.)   
30–34 years 0.9 0.7–1.4 0.994 0.8 0.5–1.3 0.383
35+ years 0.9 0.6–1.4 0.799 0.7 0.4–1.1 0.149
BMI Groups Ideal 1.0 (ref.)    1.0 (ref.)   
Overweight 0.5 0.3–0.8 0.003* 0.7 0.3–1.1 0.129
Obese 0.5 0.3–1.0 0.038* 0.6 0.3–1.2 0.148
Underweight 1.5 0.8–2.9 0.226 1.8 0.9–3.7 0.117
Unknown BMI 0.6 0.3–1.2 0.182 0.9 0.4–2.0 0.896
Highest level of education No degree 1.0 (ref.)    1.0 (ref.)   
Primary degree 1.0 0.6–1.5 0.985 1.0 0.6–1.7 0.862
Postgrad qualification 1.1 0.8–1.7 0.496 1.2 0.8–2.0 0.332
Pre-existing dyspareunia Yes 1.6 1.1–2.2 0.005* 1.7 1.2–2.5 0.004*
Mode of birth SVB 1.0 (ref.)    1.0 (ref.)   
Vacuum birth 1.4 0.9–2.4 0.145 1.7 1.0–3.0 0.062
Forceps birth 1.0 0.6–1.9 0.932 1.4 0.7–2.9 0.308
Elective CS 0.7 0.3–1.5 0.339 1.2 0.5–2.9 0.677
Emergency CS 0.9 0.5–1.7 0.874 1.3 0.6–2.7 0.405
Perineal trauma Intacta 1.0 (ref.)    1.0 (ref.)   
2nd degree 1.0 0.5–1.8 0.963 1.0 0.5–2.0 0.945
3rd degree 1.4 0.5–3.7 0.55 1.2 0.4–3.8 0.787
Episiotomy 0.8 0.4–1.5 0.449 0.7 0.3–1.4 0.325
Still breastfeeding Yes 2.1 1.5–2.9 < 0.001* 1.3 0.8–1.9 0.27
Perception of body image Always satisfied 1.0 (ref.)    1.0 (ref.)   
Sometimes satisfied 1.8 1.2–2.8 0.005* 1.2 0.7–1.9 0.444
Never satisfied 2.4 1.4–4.0 0.001* 1.5 0.8–2.8 0.233
  1. aincludes 1st degree tears and vaginal wall and labial tears
  2. *indicates statistical signficance at p < 0.05