Table 1 Descriptive statistics and bivariate regressions of studied variables by birthweight
From: Low birth weight and prenatal care in Colombia: a cross-sectional study
Variables | Min | Max | Total population n = 10,692 | Normal birth weight n = 9,523 | Low birth weight n = 1,169 | P Value |
|---|---|---|---|---|---|---|
Low birth weight | 0 | 1 | 10.93% | |||
Prenatal care | ||||||
Provider | ||||||
No antenatal care | 0 | 1 | 2.41% | 2.26% | 3.68% | 0.003 |
Physician | 0 | 1 | 92.95% | 93.74% | 91.96% | 0.020 |
Other | 0 | 1 | 4.64% | 4.00% | 4.36% | 0.634 |
Quality of prenatal care | 0 | 1 | M = 0.90 SD = 0.17 | M = 0.90 SD = 0.17 | M = 0.87 SD = 0.20 | <0.001 |
Number of prenatal care visits | 0 | 20 | M = 6.72 SD = 2.81 | M = 6.79 SD = 2.77 | M = 6.12 SD = 3.08 | <0.001 |
Gestational age at first prenatal care | 0 | 9 | M = 2.47 SD = 1.54 | M = 2.46 SD = 1.50 | M = 2.53 SD = 1.52 | 0.144 |
Health insurance coverage | 0 | 1 | 88.10% | 88.45% | 85.29% | 0.002 |
Pregnancy characteristics | ||||||
Gestational age at delivery | 20 | 40 | M = 38.82 SD = 1.99 | M = 39.08 SD = 1.50 | M = 36.62 SD = 3.48 | <0.001 |
Preceding birth interval ≤ 1 year | 0 | 1 | 0.27% | 0.23% | 0.60% | 0.023 |
Substance abuse | 0 | 4 | M = 0.11 SD = 0.40 | M = 0.10 SD = 0.40 | M = 0.10 SD = 0.34 | 0.541 |
Wanted child | −2 | 9 | M = 0.00 SD = 1.00 | M = 0.00 SD = 1.00 | M = −0.05 SD = 0.97 | 0.049 |
Child characteristics | ||||||
Product of a Multiple pregnancy | 0 | 1 | 0.78% | 0.32% | 4.53% | <0.001 |
Sex | 0 | 1 | 48.14% | 47.44% | 53.81% | <0.001 |
Mother characteristics | ||||||
Age (years) | 13 | 49 | M = 27.57 SD = 6.87 | M = 27.6 SD = 6.8 | M = 27.34 SD = 7.21 | 0.231 |
Education | 0 | 23 | M = 9.17 SD = 3.77 | M = 9.19 SD = 3.70 | M = 9.00 SD = 3.70 | 0.095 |
Employment | 0 | 1 | 48.23% | 48.26% | 47.99% | 0.860 |
Marital Status | ||||||
Never married | 0 | 1 | 11.39% | 11.18% | 13.09% | 0.053 |
Currently married | 0 | 1 | 73.73% | 73.91% | 72.28% | 0.235 |
Previously married | 0 | 1 | 14.88% | 14.91% | 14.63% | 0.797 |
Height (cm) | 1066 | 1835 | M = 1556.82 SD = 58.83 | M = 1558.27 SD = 58.68 | M = 1544.91 SD = 59.48 | <0.001 |
BMI | ||||||
Low | 0 | 1 | 9.20% | 8.76% | 12.83% | <0.001 |
Regular | 0 | 1 | 73.93% | 74.20% | 71.77% | 0.074 |
High | 0 | 1 | 16.91% | 17.10% | 15.40% | 0.144 |
Total children ever born | 1 | 14 | M = 2.19 SD = 1.49 | M = 2.19 SD = 1.51 | M = 2.16 SD = 1.51 | 0.425 |
Previously terminated pregnancy | 0 | 1 | 22.46% | 22.46% | 22.41% | 0.970 |
History of sexual abuse | 0 | 1 | 19.09% | 18.75% | 21.81% | 0.012 |
History of psychological abuse | 0 | 1 | 48.13% | 47.83% | 50.56% | 0.078 |
History of physical abuse | 0 | 1 | 17.87% | 17.91% | 17.54% | 0.750 |
Final say | 0 | 4 | M = 0.00 SD = 1.00 | M = 0.00 SD = 1.00 | M = 0.03 SD = 1.03 | 0.269 |
Context characteristics | ||||||
Number of household members | 1 | 19 | M = 5.25 SD = 2.23 | M = 5.24 SD = 2.28 | M = 5.34 SD = 2.33 | 0.156 |
Wealth index | 1 | 5 | M = 2.54 SD = 1.27 | M = 2.54 SD = 1.37 | M = 2.49 SD = 1.27 | 0.192 |
Region | ||||||
Atlantic | 0 | 1 | 19.67% | 19.61% | 20.19% | 0.636 |
Oriental | 0 | 1 | 16.98% | 17.14% | 15.65% | 0.202 |
Central | 0 | 1 | 23.34% | 23.71% | 20.36% | 0.011 |
Pacific | 0 | 1 | 12.42% | 12.28% | 13.60% | 0.195 |
Bogota | 0 | 1 | 7.23% | 6.93% | 9.67% | 0.001 |
National territories | 0 | 1 | 20.36% | 20.34% | 20.53% | 0.879 |
Urban residency | 0 | 1 | 71.56% | 71.66% | 70.74% | 0.513 |
Migration | 0 | 1 | 12.03% | 11.91 | 13.55% | 0.047 |
Household head | ||||||
Woman | 0 | 1 | 13.81% | 13.67% | 14.97% | 0.225 |
Partner | 0 | 1 | 53.79% | 54.27% | 49.87% | 0.004 |
Other | 0 | 1 | 32.40% | 32.06% | 35.16% | 0.033 |
Sanitation | 0 | 2 | M = 1.04 SD = 0.46 | M = 1.03 SD = 0.47 | M = 1.04 SD = 0.48 | 0.891 |