Table 5

Adjusted ORs (95% CI) of effects of preterm and very preterm birth on maternal outcomes for all women, and restricted to women with health problems or pregnancy complications, compared to women with term birth

 All womenWomen with health/pregnancy complications
<32 weeks32–36 weeks37 or more weeks<32 weeks32–36 weeks37 or more weeks
Adjusted OR† (95% CI)Adjusted OR† (95% CI)Adjusted OR† (95% CI)Adjusted OR† (95% CI)Adjusted OR† (95% CI)Adjusted OR† (95% CI)
Anxiety at 10 days2.67 (1.36 to 5.23)**1.23 (0.90 to 1.70)1.002.16 (0.92 to 5.08)1.12 (0.72 to 1.73)1.00
Fatigue at 1 month1.81 (0.92 to 3.54)1.29 (0.97 to 1.73)1.002.13 (0.91 to 4.97)0.83 (0.55 to 1.27)1.00
Fatigue at 3 months2.52 (1.20 to 5.30)*1.27 (0.86 to 1.88)1.002.60 (1.03 to 6.54)*1.31 (0.78 to 2.20)1.00
Flash-backs at 3 months5.32 (2.16 to 13.10)**1.39 (0.76 to 2.56)1.005.52 (1.77 to 17.21)**1.79 (0.82 to 3.93)1.00
At 3 months…
Feeling that the baby belonged: only recently or not quite yet12.13 (5.75 to 25.59)**1.61 (0.95 to 2.72)1.008.99 (3.46 to 23.40)**1.07 (0.50 to 2.31)1.00
Number of negative adjectives used to describe baby: 2 or more1.55 (0.79 to 3.04)0.83 (0.61 to 1.14)1.001.27 (0.53 to 3.03)0.81 (0.53 to 1.24)1.00
Baby considered: more difficult than average3.97 (1.51 to 10.45)**1.59 (0.88 to 2.85)1.004.26 (1.20 to 15.14)*2.33 (1.14 to 4.78)*1.00
  • *p<0.05; **p<0.01.

  • †Adjusted for parity, black or minority ethnic group, maternal age and index of multiple deprivation.