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Table 1 Characteristics of study population

From: Infant formula feeding practices in a prospective population based study

Characteristic of study population (n = 1,291) N (%) or mean (SD)
Infant Sex
 Male 653 (50.6%)
 Female 638 (49.4%)
 Gestational age (weeks) at delivery 40.17 (1.14)
 Birth-weight (kg) 3.51 (0.46)
 Maternal Age (years) 31.11 (4.36)
Maternal Nationality
 Irish 1078 (83.5%)
 Non-Irish 213 (16.5%)
Paternal Nationalitya
 Irish 1093 (84.7%)
 Non-Irish 193 (14.9%)
Mother reported smoking during pregnancya
 No 1132 (87.7%)
 Yes 119 (9.2%)
Maternal Tertiary Education
 No 613 (47.5%)
 Yes 678 (52.5%)
Maternal Employment Status
 Unemployed 126 (9.8%)
 Employed 1165 (90.2%)
Maternity Care
 Public 938 (72.7%)
 Private 353 (27.3%)
  1. aPercentages do not equal 100 as some mothers did not answer the question