Table 2

The results of the perinatal outcomes in non-smoking women by exposure to SHS
Outcome Exposure to SHS P value
Total number (1085) Yes Total number (2341) No
Birth weight 3.15 ± 0.46 3.21 ± 0.46 0.002
Baby’s length 49.62 ± 3.09 49.87 ± 2.48 0.014
Head circumference 34.05 ± 1.59 34.14 ± 1.73 0.17
Apgar at 5 min 8.92 ± 0.64 8.91 ± 0.66 0.75
Apgar at 1 min 7.73 ± 0.86 7.75 ± 0.82 0.66
Low birth weight (<2500 gms) 1000* 54 (5.4) 2152* 99 (4.6) 0.36
NICU 1000* 45 (4.5) 2155* 97 (4.5) 0.79

*Total number in the variable excluding missing data.

Data are n (%) or means ± standard deviation.

Statistical tests used were student t test, chi-square test, and Fisher exact test.

SHS = Secondhand smoke. NICU = Neonatal intensive care unit.

Wahabi et al.

Wahabi et al. BMC Public Health 2013 13:341   doi:10.1186/1471-2458-13-341

Open Data