Characteristic | APrON | AOB-OC | AOB-PC | MES Alberta (n=651) | MES Canada (n=6,421) | Calgary cohort comparisons | p-value** |
---|---|---|---|---|---|---|---|
Age | n=1,200 | n=916 | n=1,455 | Overall Chi2 | 0.196 | ||
15–19 | 0.4 (0.05-0.78) | 0.5 (0.07-1.02) | 0.4 (0.08-0.74) | 3.8 (3.3–4.3) | 3.0 (2.8–3.2) | AOB-OC vs. APrON | 0.198 |
20–24 | 4.5 (3.3-5.7) | 5.4 (4.0-6.9) | 6.2 (4.9-7.4) | 15.2 (12.8–17.6) | 13.0 (12.3–13.8) | AOB-PC vs. APrON | 0.507 |
25–29 | 27.1 (24.6-29.6) | 30.5 (27.5-33.4) | 26.5 (24.2-28.7) | 34.1 (31.6–36.6) | 33.1 (32.2–33.9) | AOB-OC vs. AOB-PC | 0.095 |
30–34 | 44.6 (41.8-47.4) | 41.7 (38.5-44.9) | 42.9 (40.3-45.4) | 30.6 (28.2–32.9) | 32.9 (32.0–33.8) | ||
35–39 | 19.9 (17.6-22.2) | 19.7 (17.1-22.2 | 20.1 (18.1-22.2) | 13.0 (10.8–15.3) | 14.5 (13.7–15.3) | ||
≥40 | 3.5 (2.5-4.5) | 2.2 (1.2-3.1) | 3.9 (2.9-4.9) | 2.6 (1.4–3.7) | 3.0 (2.5–3.4) | ||
Education | n=1,154 | n=1,117 | n=1,875 | Overall Chi2 | <0.001 | ||
Less than high school | 1.5 (0.8-2.2) | 3.3 (2.3-4.4) | 3.1 (2.3-3.9) | 7.3 (5.6–9.1) | 7.6 (6.9–8.2) | AOB-OC vs. APrON | <0.001 |
High school graduate | 8.2 (6.6-9.8) | 18.1 (15.8-20.3) | 22.8 (20.9-24.7) | 22.8 (19.7–25.9) | 19.2 (18.2–20.1) | AOB-PC vs. APrON | <0.001 |
Postsecondary education | 90.3 (88.6-92.0) | 78.6 (76.2-81.0) | 74.1 (72.1-76.1) | 69.5*** | 72.1*** | AOB-OC vs. AOB-PC | 0.009 |
Income | n=1,147 | n=1,083 | n=1,820 | Overall Chi2 | 0.008 | ||
At or below the LICO✝ | 5.9 (4.6-7.3) | 9.2 (7.5-11.0) | 8.6 (7.3-9.9) | 13.4 (10.9-15.8) | 18.4 (17.4–19.4) | AOB-OC vs. APrON | 0.003 |
Above the LICO✝✝ | 94.1 (92.7-95.4) | 90.8 (89.0-92.5) | 91.4 (90.1-92.7) | 77.8 (74.7-80.8) | 72.6 (71.5–73.7) | AOB-PC vs. APrON | 0.008 |
AOB-OC vs. AOB-PC | 0.543 | ||||||
Parity | n=1,177 | n=1,112 | n=1,866 | Overall Chi2 | <0.001 | ||
Primiparous | 56.8 (53.9-59.6) | 54.9 (51.9-57.8) | 46.5 (44.2-48.7) | 46.0 (42.4–49.7) | 44.7 (44.0–45.5) | AOB-OC vs. APrON | 0.361 |
Multiparous | 43.2 (40.4-46.1) | 45.1 (42.2-48.1) | 53.5 (51.3-55.8) | 53.8 (50.2–57.4) | 54.9 (54.1–55.6) | AOB-PC vs. APrON | <0.001 |
AOB-OC vs. AOB-PC | <0.001 | ||||||
BMI (mean (95% CI)) | n=1171 | n=1,094 | n=1,838 | Overall F stat | <0.001 | ||
Pre-pregnancy | 24.9 (24.6 - 25.2) | 23.7 (23.4-23.9) | 24.7 (24.5-25.0) | 24.4 (24.0–24.8) | 24.4 (24.3–24.6) | AOB-OC vs. APrON | 0.005 |
AOB-PC vs. APrON | 0.011 | ||||||
AOB-OC vs. AOB-PC | <0.001 | ||||||
Overall F stat | <0.001 | ||||||
Postpartum | n = 935 | n=1008 | n=1632 | AOB-OC vs. APrON | 0.001 | ||
25.6 (25.3 - 25.9) | 24.9 (24.7-25.2) | 26.0 (25.7-26.3) | 25.5 (25.1–25.9) | 25.4 (25.2–25.5) | AOB-PC vs. APrON | 0.106 | |
AOB-OC vs. AOB-PC | <0.001 | ||||||
Marital status | n=1,158 | n=1,115 | n=1,876 | Overall Chi2 | 0.010 | ||
Married/common law | 96.3 (95.2-97.4) | 93.5 (92.1-95.0) | 95.2 (94.2-96.2) | Not available | Not available | AOB-OC vs. APrON | 0.003 |
Single/divorced/separated | 3.7 (2.6-4.8) | 6.5 (5.0-7.9) | 4.8 (3.8-5.8) | AOB-PC vs. APrON | 0.156 | ||
AOB-OC vs. AOB-PC | 0.052 | ||||||
Born in Canada | n=1,152 | n=1,118 | n=1,878 | Overall Chi2 | 0.007 | ||
Yes | 81.3 (79.1-83.6) | 76.1 (73.6-78.6) | 79.7 (77.8-81.5) | Not available | Not available | AOB-OC vs. APrON | 0.002 |
No | 18.7 (16.4-20.9) | 23.9 (21.4-26.4) | 20.3 (18.5-22.2) | AOB-PC vs. APrON | 0.260 | ||
AOB-OC vs. AOB-PC | 0.023 | ||||||
Ethnicity | n=1,143 | n=1,114 | n=1,876 | Overall Chi2 | <0.001 | ||
Caucasian | 86.4 (84.4-88.3) | 75.1 (72.6-77.7) | 81.3 (79.6-83.1) | Not available | Not available | AOB-OC vs. APrON | <0.001 |
Non-Caucasian | 13.6 (11.7-15.7) | 24.9 (22.3-27.4) | 18.7 (16.9-20.4) | AOB-PC vs. APrON | <0.001 | ||
AOB-OC vs. AOB-PC | <0.001 |