Table 4 The Odds Ratios (crude and adjusted) for having ≥8 pregnancy-related symptoms, n = 11 532

2 057

1.95 (1.85–2.06)

1.49 (1.41–1.58)

1.44 (1.37–1.53)

1.44 (1.36–1.53)

595

2.57 (2.33–2.83)

1.66 (1.50–1.84)

1.61 (1.46–1.79)

1.60 (1.44–1.78)

859

3.09 (2.84–3.36)

1.78 (1.62–1.95)

1.68 (1.53–1.84)

1.64(1.49–1.81)

2 806

2.20 (2.10–2.31)

1.35 (1.28–1.43)

1.31 (1.24–1.38)

1.30 (1.22–1.37)

1 255

2.57 (2-39–2.75)

1.31 (1.21–1.42)

1.27 (1.17–1.38)

1.22 (1.13–1.33)

3 200

2.28 (2.17–2.38)

1.74 (1.65–1.83)

1.68 (1.60–1.77)

1.48 (1.40–1.56)

2 641

2.12 (2.02–2.23)

1.53 (1.45–1.62)

1.48 (1.40–1.57)

1.70 (1.62–1.80)