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Table 3 Risk of overweight or obesity among pregnant women in relation to country of birth

From: The educational gradient of obesity increases among Swedish pregnant women: a register-based study

Country of birth Overweight (25.0-29.9 kg/m2) Obesity (≥30.0 kg/m2)
n % RRa (95% CI) n % RRa (95% CI)
Sweden 297,191 81.4 Reference category 124,563 82.1 Reference category
Nordic countries (excluding Sweden) 8,407 2.3 1.04 (1.01-1.06) 3,648 2.4 1.10 (1.06-1.14)
EU15, North America, Australia, and New Zealand 3,423 0.9 0.89 (0.86-0.92) 1,396 0.9 0.91 (0.86-0.97)
Europe (excluding EU15) and former USSR 13,045 3.6 0.95 (0.94-0.97) 4,465 2.9 0.73 (0.71-0.75)
Africa (excluding North Africa) 7,357 2.0 1.21 (1.18-1.23) 3,911 2.6 1.17 (1.13-1.22)
North Africa and Middle East 17,676 4.8 1.30 (1.28-1.32) 7,450 4.9 1.14 (1.11-1.17)
Asiab 13,362 3.7 0.87 (0.86-0.89) 3,952 2.6 0.56 (0.54-0.58)
Latin America 4,686 1.3 1.16 (1.13-1.20) 2,321 1.5 1.27 (1.21-1.33)
  1. RR Relative Risk.
  2. CI Confidence Interval.
  3. aCalculated among all pregnancies between 1992 and 2010, and adjusted for maternal age, education, parity, and year of birth.
  4. bMelanesia, Micronesia and Polynesia were included in the Asian region: n(overweight) = 20, n(obese) = 12.
  5. BMI was assessed at the first visit to the antenatal-care clinic.