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Table 3 Predictors of participation in the vitamin D program (infants with one or more prescription)

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

  1. *Non synthesizing period: October 1st to March 31st.