From: Differential low uptake of free vitamin D supplements in preterm infants: the Quebec experience
Characteristics | Early preterm | Late preterm | Total | |||
---|---|---|---|---|---|---|
OR | CI | OR | CI | OR | CI | |
Maternal age (year) | 1.00 | 0.98-1.01 | 1.01 | 1.00-1.02 | 1.01 | 1.00 - 1.02 |
Welfare recipient vs. adherent | 0.84 | 0.67-1.05 | 1.12 | 0.97-1.29 | 1.05 | 0.93 – 1.19 |
Living alone vs. couple | 1.10 | 0.89-1.37 | 0.93 | 0.80-1.09 | 0.99 | 0.87 – 1.12 |
Level of education: ≤12 years vs. >12 years | 1.02 | 0.84-1.23 | 0.77 | 0.68-0.87 | 0.83 | 0.75 – 0.93 |
Rural vs. urban resident | 1.22 | 0.97-1.53 | 1.04 | 0.90-1.19 | 1.08 | 0.96 – 1.22 |
Duration of pregnancy (week) | 1.00 | 0.93-1.09 | 0.88 | 0.81-0.96 | 0.91 | 0.88 – 0.95 |
Birth weight (grams) | 1.00 | 1.00-1.00 | 1.00 | 1.00-1.00 | 1.00 | 1.00 – 1.00 |
Male gender infants | 1.02 | 0.86-1.21 | 0.95 | 0.85-1.06 | 0.97 | 0.88 – 1.07 |
Year of delivery | 0.93 | 0.91-0.96 | 0.89 | 0.87-0.90 | 0.90 | 0.89 – 0.92 |
Non synthesizing* vs. synthesizing period | 1.01 | 0.84-1.22 | 1.07 | 0.95-1.20 | 1.06 | 0.96 – 1.17 |
Infants followed up by General practitioner (reference) | ||||||
Paediatrician | 0.92 | 0.74-1.16 | 1.23 | 1.09-1.39 | 1.21 | 1.09 - 1.35 |
Other specialist | 0.08 | 0.05-0.12 | 0.41 | 0.31-0.55 | 0.20 | 0.16 - 0.27 |