Table 4.
Adjusted population attributable fractions for small for gestational age and large for gestational age associated with BMI and GWG in British Columbia, Ontario, Nova Scotia, and Newfoundland
| SGA | LGA | |||||||
|---|---|---|---|---|---|---|---|---|
| BC PAF (95% CI) |
ON PAF (95% CI) |
NS PAF (95% CI) |
NL PAF (95% CI) |
BC PAF (95% CI) |
ON PAF (95% CI) |
NS PAF (95% CI) |
NL PAF (95% CI) |
|
| All women | ||||||||
| BMI | ||||||||
| Underweight | 4.0 (2.5, 5.6) | 3.6 (3.0, 4.3) | 6.2 (3.3, 9.1) | 2.9 (− 1.9, 7.8) | − 2.3 (− 2.9, − 1.8) | − 2.1 (− 2.4, − 1.7) | − 1.1 (− 2.1, − 0.1) | − 0.9 (− 2.0, 0.2) |
| Normal weight | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Overweight | − 6.0 (− 8.4, − 3.6) | − 6.4 (− 7.6, − 5.0) | − 8.3 (− 13.0, − 3.5) | − 13.3 (− 22.9, − 3.5) | 11.1 (9.2, 12.9) | 10.4 (9.2, 11.4) | 6.8 (2.8, 10.8) | 12.0 (5.9, 18.1) |
| Obese | − 5.6 (− 7.6, − 3.7) | − 6.7 (− 7.6, − 5.7) | − 6.6 (− 11.7, − 1.5) | − 15.5 (− 26.0, − 5.0) | 13.2 (11.3, 15.1) | 17.2 (16.1, 18.4) | 16.7 (12.2, 21.1) | 20.6 (13.4, 27.8) |
| GWG | ||||||||
| < Recommended | 10.6 (7.1, 14.1) | 9.2 (7.8, 10.6) | 12.3 (5.8, 18.8) | 4.8 (− 4.7, 14.3) | − 2.9 (− 4.7, − 1.2) | − 3.0 (− 3.9, − 2.2) | − 3.5 (− 7.2, 0.2) | 1.0 (− 3.4, 5.4) |
| =Recommended | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| > Recommended | − 23.7 (− 29.6, − 17.9) | − 20.7 (− 23.1, − 17.9) | − 27.2 (− 40.2, − 14.1) | − 19.6 (− 46.4, 7.2) | 29.5 (25.1, 33.8) | 31.9 (29.5, 34.2) | 32.1 (22.8, 41.5) | 42.5 (27.4, 57.7) |
| Nulliparous | ||||||||
| BMI | ||||||||
| Underweight | 3.6 (1.6, 5.6) | 3.5 (2.5, 4.5) | 6.4 (2.6, 10.2) | 3.8 (− 3.1, 10.7) | − 2.7 (− 3.7, − 1.7) | − 2.6 (− 3.2, − 1.9) | − 1.4 (− 3.1, 0.3) | − 1.0 (− 2.9, 0.9) |
| Normal weight | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Overweight | − 6.4 (− 9.2, − 3.5) | − 5.7 (− 7.2, − 4.1) | − 5.6 (− 11.8, 0.7) | − 12.6 (− 25.5, 0.3) | 8.9 (6.2, 11.7) | 10.9 (9.1, 12.9) | 4.1 (− 2.5, 10.6) | 20.1 (8.9, 31.3) |
| Obese | − 5.4 (− 7.3, − 3.6) | − 5.5 (− 6.7, − 4.0) | 0.8 (− 5.9, 7.5) | − 13.8 (− 27.3, − 0.3) | 14.8 (11.9, 17.7) | 15.8 (13.9, 17.7) | 19.6 (11.9, 27.3) | 22.3 (9.9, 34.8) |
| GWG | ||||||||
| < Recommended | 9.8 (5.5, 14.2) | 7.4 (5.8, 9.0) | 6.6 (− 1.2, 14.3) | − 1.6 (− 11.7, 8.4) | − 2.3 (− 4.6, 0.1) | − 2.5 (− 3.9, − 1.4) | − 3.2 (− 8.5, 2.1) | 3.6 (− 2.2, 9.4) |
| =Recommended | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| > Recommended | − 23.2 (− 31.5, − 15.0) | − 24.1 (− 27.6, − 20.4) | − 37.4 (− 56.9, − 17.9) | − 27.3 (− 67.4, 12.8) | 35.6 (28.4, 42.8) | 40.4 (35.8, 44.8) | 34.0 (14.7, 53.3) | 56.6 (31.6, 81.6) |
| Parous | ||||||||
| BMI | ||||||||
| Underweight | 4.9 (2.1, 7.8) | 3.7 (2.8, 4.7) | 5.9 (1.5, 10.3) | 1.3 (− 5.5, 8.0) | − 2.1 (− 2.8, − 1.5) | − 1.8 (− 2.1, − 1.5) | − 0.9 (− 2.1, 0.2) | − 0.8 (− 2.1, 0.5) |
| Normal weight | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Overweight | − 4.7 (− 9.3, − 0.1) | − 7.2 (− 9.0, − 5.3) | − 11.8 (− 19.6, − 4.0) | − 13.0 (− 28.2, 2.3) | 12.2 (10.0, 14.5) | 10.1 (8.7, 11.3) | 8.1 (3.2, 13.1) | 8.0 (0.9, 15.2) |
| Obese | − 5.5 (− 9.1, − 2.0) | − 8.2 (− 9.8, − 6.6) | − 17.0 (− 25.0, − 8.9) | − 18.3 (− 36.2, − 0.3) | 12.2 (10.1, 14.4) | 17.8 (16.5, 19.2) | 15.1 (9.6, 20.7) | 19.4 (9.8, 29.0) |
| GWG | ||||||||
| < Recommended | 11.7 (4.4, 19.0) | 11.3 (8.7, 13.7) | 19.7 (8.4, 30.9) | 13.8 (− 6.3, 33.9) | − 3.4 (− 5.7, − 1.0) | − 3.3 (− 4.4, − 2.1) | − 3.6 (− 8.5, 1.2) | − 1.1 (− 7.3, 5.1) |
| =Recommended | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| > Recommended | − 24.3 (− 35.3, − 13.3) | − 16.8 (− 20.2, − 13.8) | − 17.9 (− 34.8, − 1.0) | − 11.5 (− 45.1, 22.1) | 26.2 (20.7, 31.7) | 28.2 (25.6, 30.7) | 30.8 (20.1, 41.5) | 36.8 (19.7, 53.8) |
Abbreviations: BC, British Columbia; BMI, body mass index; GWG, gestational weight gain; LGA, large for gestational age; NL, Newfoundland and Labrador; NS, Nova Scotia; ON, Ontario; PAF, population attributable fraction; ref, reference; SGA, small for gestational age