From: Alcohol consumption among pregnant women in Northern Tanzania 2000–2010: a registry-based study
% of pregnancies | % of pregnancies associated with anaemia | Univariate analysis | Multivariable model(a) | |||
---|---|---|---|---|---|---|
Variables | RR (95 % CI) | p-value | ARR (95 % CI) | p-value | ||
Anaemia during pregnancy (Hb < 11.0 g/dL) (n = 8778)(b) | ||||||
Drinks alcohol | 26.7 | 46.5 | 0.81 (0.77 – 0.85) | < 0.001 | 0.84 (0.79 – 0.90) | < 0.001 |
Drinks alcohol every day | 0.4 | 43.6 | 0.76 (0.53 – 1.08) | 0.126 | 0.82 (0.49 – 1.36) | 0.439 |
Drinks alcohol more than once a week | 7.4 | 41.6 | 0.72 (0.66 – 0.79) | < 0.001 | 0.77 (0.68 – 0.87) | < 0.001 |
Drinks alcohol once a week | 2.9 | 44.0 | 0.77 (0.66 – 0.88) | < 0.001 | 0.78 (0.64 – 0.95) | 0.012 |
Drinks occasionally | 16.0 | 49.2 | 0.85 (0.81 – 0.90) | < 0.001 | 0.88 (0.82 – 0.95) | 0.002 |
Abstains from alcohol | 73.3 | 57.6 | 1.00 | 1.00 | ||
Severe anaemia during pregnancy (Hb < 7.0 g/dL) (n = 8778)(b) | ||||||
Drinks alcohol | 26.7 | 6.1 | 0.75 (0.63 – 0.90) | 0.002 | 0.74 (0.58 – 0.95) | 0.016 |
Drinks alcohol every day | 0.4 | 12.8 | 1.58 (0.69 – 3.60) | 0.276 | 1.12 (0.44 – 2.86) | 0.811 |
Drinks alcohol more than once a week | 7.4 | 6.0 | 0.74 (0.54 – 1.02) | 0.062 | 0.51 (0.32 – 0.80) | 0.003 |
Drinks alcohol once a week | 2.9 | 6.3 | 0.78 (0.48 – 1.27) | 0.318 | 0.70 (0.34 – 1.41) | 0.318 |
Drinks occasionally | 16.0 | 5.9 | 0.73 (0.58 – 0.91) | 0.006 | 0.87 (0.66 – 1.16) | 0.353 |
Abstains from alcohol | 73.3 | 8.1 | 1.00 | 1.00 | ||
Mild/moderate anaemia during pregnancy (Hb 7.0 – 10.9 g/dL) (n = 8778)(b) | ||||||
Drinks alcohol | 26.7 | 40.4 | 0.82 (0.77 – 0.86) | < 0.001 | 0.86 (0.80 – 0.93) | < 0.001 |
Drinks alcohol every day | 0.4 | 30.8 | 0.62 (0.39 – 1.00) | 0.048 | 0.70 (0.35 – 1.39) | 0.310 |
Drinks alcohol more than once a week | 7.4 | 35.6 | 0.72 (0.65 – 0.80) | < 0.001 | 0.82 (0.72 – 0.94) | 0.004 |
Drinks alcohol once a week | 2.9 | 37.7 | 0.76 (0.65 – 0.89) | 0.001 | 0.79 (0.64 – 0.98) | 0.034 |
Drinks occasionally | 16.0 | 43.3 | 0.88 (0.82 – 0.93) | < 0.001 | 0.89 (0.81 – 0.97) | 0.007 |
Abstains from alcohol | 73.3 | 49.5 | 1.00 | 1.00 |