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Table 1 Vaccinated and comparison group characteristics

From: Pneumococcal vaccination and otitis media in Australian Aboriginal infants: comparison of two birth cohorts before and after introduction of vaccination

Participant Characteristic

Vaccinated

N = 97

Comparison

N = 51

Mean Difference or Odds Ratio (95% CI)

Sex (% Male)

45 (46%)

30 (59%)

0.61 (0.29, 1.27)

Birth weight (g)

2956 (n = 87)

3159 (n = 49)

-203 (-409, 3)

Maternal age (years)

24.2 (n = 95)

23.0 (n = 49)

1.2 (-0.8, 3.1)

  1. Birth weight was missing for 10 vaccinees and 2 comparison participants. Maternal age was missing for 2 vaccinees and 2 comparison participants.