From: Do parental heights influence pregnancy length?: a population-based prospective study, HUNT 2
Preterm delivery(< 37.0) weeks | Post term delivery(>42.0 weeks) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Maternal height (in quintiles) | Cases/non-cases | Crude estimate2 | Adjusted estimate3 | 95% CI | p for trend | Cases/non-cases | Crude estimate2 | Adjusted estimate3 | 95% CI | p for trend |
Estimated date of delivery based on US | ||||||||||
<163 | 62/895 | 1.0 | 1.0 | Ref | 43/914 | 1.0 | 1.0 | Ref | ||
163-165 | 39/712 | 0.8 | 0.8 | 0.5,1.2 | 32/719 | 0.9 | 1.0 | 0.6,1.6 | ||
166-168 | 43/768 | 0.8 | 0.8 | 0.5,1.2 | 60/751 | 1.7 | 1.7 | 1.1,2.6 | ||
169-172 | 30/826 | 0.5 | 0.5 | 0.3,0.9 | 58/798 | 1.5 | 1.6 | 1.1,2.5 | ||
173+ | 28/635 | 0.6 | 0.6 | 0.4,1.0 | 0.015 | 55/608 | 1.9 | 2.1 | 1.4,3.2 | <0.0001 |
Estimated date of delivery based on LMP | ||||||||||
<163 | 76/1072 | 1.0 | 1.0 | Ref | 112/1036 | 1.0 | 1.0 | Ref | ||
163-165 | 41/862 | 0.7 | 0.6 | 0.4,1.0 | 91/812 | 1.0 | 1.0 | 0.8,1.4 | ||
166-168 | 52/945 | 0.8 | 0.8 | 0.5,1.1 | 143/854 | 1.5 | 1.5 | 1.2,2.0 | ||
169-172 | 42/979 | 0.6 | 0.6 | 0.4,0.9 | 129/892 | 1.3 | 1.4 | 1.0,1.8 | ||
173+ | 45/732 | 0.9 | 0.9 | 0.6,1.3 | 0.32 | 105/672 | 1.5 | 1.5 | 1.1,2.0 | 0.001 |