Table 2.
Categories of risk variables and adjusted odd ratios for large for gestational age (n = 1440)
| Variable category | Frequency (percentagea) or Mean (SD) | Adjusted odd ratios (90% CI) |
|---|---|---|
| Demographics: | ||
| Maternal age | 28.90 (5.83) | 0.96 (0.92, 1.01) |
| Pre-pregnancy (BMI) obesityb | 211 (16.1%) | 2.73* (1.64, 4.55) |
| Born in Australia | 1039 (72.2%) | 1.55 (0.85, 2.82) |
| Previous pregnancy | 845 (58.7%) | 2.26* (1.32, 3.88) |
| Married | 732 (51.1%) | 2.33* (1.36, 3.99) |
| Maternal work status (employed) | 680 (47.6%) | 1.22 (0.75, 1.97) |
| Missing datac | 144 (10.0%) | |
| Socio-economics: | ||
| House owned | 619 (43.3%) | 1.23 (0.74, 2.02) |
| Mother (education level) | ||
| Not complete high school | 281 (19.6%) | 1.12 (0.63, 1.98) |
| Complete high school/TAFE (Reference) | 883 (61.5%) | Reference |
| University degree | 271 (18.9%) | 0.45* (0.20, 1.00) |
| Household income | ||
| Low (<$19,999) | 81 (6.5%) | 0.27 (0.05, 1.55) |
| Middle ($20,000-$80,000, Ref.) | 835 (67.5%) | Reference |
| High (>$80,000) | 322 (26.0%) | 0.99 (0.54, 1.80) |
| Missing data | 209 (14.5%) | |
| Psychological/Behavioural: | ||
| No smoking during pregnancy | 1100 (76.9%) | 5.20* (2.12, 12.8) |
| Frequency of alcohol (at least weekly) | 122 (8.5%) | 0.72 (0.28, 1.90) |
| Vitamin supplements intaked | 1085 (75.3%) | 0.96 (0.58, 1.58) |
| Maternal mental health (very high riske) | 82 (5.8%) | 0.17 (0.01, 5.13) |
| Missing data | 51 (3.5%) | |
| Social network/Neighbourhood: | ||
| Neighbours friendly or very friendly | 975 (68.3%) | 0.89 (0.52, 1.51) |
| Satisfied/very satisfied with community | 1245 (86.8%) | 1.08 (0.44, 2.67) |
| Community felt like home (agree) | 1045 (73.3%) | 1.17 (0.61, 2.23) |
| Get help when need it (agree) | 1021 (71.3%) | 0.93 (0.53, 1.63) |
| Get services need (agree) | 1114 (78.3%) | 0.96 (0.51, 1.82) |
| Feel safe (agree) | 1128 (79.3%) | 1.69 (0.75, 3.83) |
| Active in community (agree) | 306 (21.6%) | 0.93 (0.54, 1.62) |
| Moved home in past 1 year | 632 (44.3%) | 0.65 (0.40, 1.08) |
| Missing data | 46 (3.2%) | |
aPercentages are calculated based on the available (non-missing) data.
bBMI= (weight in kg)/(square of height in meter) ≥30.
cNumber of individuals with incomplete data within each category of risk variables
dAny of supplements (Iron, Zinc, Calcium, Folic acid, Multi-vitamin, Vitamin C & E).
eVery high risk based on Kessler scale [45] (Kessler 6 scale >12)