Association of Low Birth Weight Infants and Maternal Sociodemographic Status in Tuzla Canton during 1992–1995 War Period in Bosnia and Herzegovina
Table 2
Maternal age and prenatal care of follow up and birth data for Low birth weight at University Clinical Center of Tuzla, Department for Gynecology and Obstetrics in the prewar (1988–1991), war (1992–1995), and postwar (1996–2009) period.
Maternal characteristics-Maternal age (years)
Proportion (%)
Rate ratios (95% confidence interval)
Prewar ()
War ()
Postwar ()
Prewar
Postwar
<20
163 (19.1%)
275 (20%)
326 (17.5%)
1.057 (0.851–1.311)
.614
1.181 (0.988–1.412)
.06
20–24
259 (30.4%)
332 (24.2%)
660 (35.4%)
0.72 (0.602–0.882)
.001
0.679 (0.581–0.497)
.0001
25–29
271 (31.8%)
369 (26.8%)
496 (26.6%)
0.78 (0.652–0.948)
.01
1.013 (0.866–1.186)
.86
≥30
158 (18.6%)
397 (28.9%)
382 (20.5%)
1.78 (1.448–2.197)
.0001
1.578 (1.341–1.855)
.0001
Trimeste prenatal care
First trimester prenatal care
446 (52.4%)
109 (7.9%)
631 (33.8%)
0.07 (0.061–0.099)
.0001
0.168 (0.135–0.209)
.0001
Second prenatal care
264 (31%)
317 (23.2%)
720 (38.6%)
0.667 (0.550–0.808)
.0001
0.476 (0.407–0.557)
.0001
Third or No Prenatal care
141 (16.6%)
947 (68.9%)
513 (27.6%)
11,193 (0.038–13.862)
.0001
5.854 (5.023–6.822)
.0001
Rate ratios for an association between maternal age during pregnancy and low birth weight (LBW). CI = confidence interval. a Chi-squared test for linear trend used for comparison of proportions and linear-contrast analysis of variance used for comparison of means.
