Table 3 Association between coffee consumption frequency and the risk of bleeding in early pregnancy according to BMI (n = 3510)
From: Maternal coffee intake and the risk of bleeding in early pregnancy: a cross-sectional analysis
BMI | Total No. | No. (%) | Unadjusted OR (95% CI) | Adjusted OR (95% CI)a |
|---|---|---|---|---|
Underweight, < 18.5 kg/m2 | 373 | 80(21.4) | ||
Seldom coffee drinkers | 155 | 33(21.3) | 1.000 | 1.000 |
Light coffee drinkers (< 1 cup/day) | 52 | 11(21.2) | 0.992(0.460–2.139) | 0.780(0.331–1.837) |
Moderate coffee drinkers (1 cup/day) | 116 | 26(22.4) | 1.068(0.597–1.911) | 1.213(0.650–2.265) |
Heavy coffee drinkers (≥2 cups/day) | 50 | 10(20.0) | 0.924(0.418–2.042) | 0.990(0.414–2.367) |
Normal, 18.5–24.9 kg/m2 | 2683 | 463(17.3) | ||
Seldom coffee drinkers | 811 | 119(14.7) | 1.000 | 1.000 |
Light coffee drinkers (< 1 cup/day) | 460 | 80(17.4) | 1.224(0.898–1.669) | 1.249(0.912–1.712) |
Moderate coffee drinkers (1 cup/day) | 929 | 168(18.1) | 1.284(0.993–1.659) | 1.314(1.012–1.706) |
Heavy coffee drinkers (≥2 cups/day) | 483 | 96(19.9) | 1.442(1.073–1.940) | 1.389(1.025–1.884) |
Overweight + Obese, ≥25.0 kg/m2 | 454 | 93(20.5) | ||
Seldom coffee drinkers | 111 | 21(18.9) | 1.000 | 1.000 |
Light coffee drinkers (< 1 cup/day) | 83 | 12(14.5) | 0.724(0.334–1.571) | 0.699(0.315–1.551) |
Moderate coffee drinkers (1 cup/day) | 157 | 32(20.4) | 1.097(0.594–2.026) | 1.059(0.554–2.025) |
Heavy coffee drinkers (≥2 cups/day) | 103 | 28(27.2) | 1.600(0.841–3.045) | 1.574(0.801–3.093) |