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Neighbourhood income quintiles | Preterm birth | Low birthweight | Full-term low birthweight | |||||||||
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Crude odds ratio | 95% confidence interval | Adjusted odds ratio2 | 95% confidence interval | Crude odds ratio | 95% confidence interval | Adjusted odds ratio3 | 95% confidence interval | Crude odds ratio | 95% confidence interval | Adjusted odds ratio3 | 95% confidence interval | |
Q1 (highest)1 | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Q2 | 1.124 | 1.03 to 1.20 | 1.144 | 1.05 to 1.25 | 1.264 | 1.16 to 1.37 | 1.234 | 1.11 to 1.36 | 1.374 | 1.20 to 1.56 | 1.334 | 1.15 to 1.52 |
Q3 | 1.124 | 1.04 to 1.21 | 1.164 | 1.06 to 1.27 | 1.294 | 1.19 to 1.40 | 1.284 | 1.16 to 1.41 | 1.364 | 1.19 to 1.55 | 1.304 | 1.13 to 1.49 |
Q4 | 1.154 | 1.06 to 1.23 | 1.194 | 1.09 to 1.30 | 1.334 | 1.23 to 1.44 | 1.284 | 1.16 to 1.41 | 1.384 | 1.21 to 1.57 | 1.294 | 1.12 to 1.49 |
Q5 (lowest) | 1.194 | 1.11 to 1.28 | 1.254 | 1.15 to 1.37 | 1.504 | 1.39 to 1.62 | 1.464 | 1.32 to 1.61 | 1.664 | 1.46 to 1.88 | 1.534 | 1.34 to 1.76 |
Recent immigrant | ||||||||||||
No1 | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Yes | 0.894 | 0.84 to 0.93 | 0.894 | 0.84 to 0.95 | 1.064 | 1.01 to 1.12 | 1.184 | 1.10 to 1.26 | 1.304 | 1.20 to 1.40 | 1.244 | 1.14 to 1.35 |
1. reference category 2. adjusted for infant sex, maternal age group, neighbourhood income quintile, and recent immigrant status 3. also adjusted for gestational age group 4. significantly different from reference category (p < 0.05) Data source: Discharge Abstract Database, Canadian Institute for Health Information. Table source: Statistics Canada, 2007, "Birth outcomes by neighbourhood income and recent immigration in Toronto," Health Reports, Vol. 1, No. 4, catalogue number 82-003-XWE. |