Table 1 Characteristics of exposed versus unexposed in the register-based and MOBAND study population, respectively. Contains data prior to multiple imputation of missing values

  ≥ 30 years

13,921 (58.9)

544,852 (43.7)

1997 (65.6)

103,084 (54.3)

 Missing

0 (−)

0 (−)

0 (−)

0 (−)

 Unemployed/ receiving benefits or pension

–

–

310 (10.2)

6816 (3.6)

 Missing

–

–

50 (1.6)

2055 (1.1)

 Basic

4781 (20.2)

280,337 (22.5)

–

–

 Missing

694 (2.9)

93,414 (7.5)

–

–

 Diabetes type 1 or 2

518 (2.2)

6362 (<1)

61 (2.0)

855 (<1)

 Missing

0 (−)

0 (−)

0 (−)

0 (−)

  ≥ 1 cigarettes/day

–

–

293 (9.6)

23,009 (12.1)

 Missing

–

–

18 (<1)

900 (<1)

  ≥ 0.5 units/week

–

–

529 (17.4)

50,510 (26.6)

 Missing

–

–

206 (6.8)

10,129 (5.3)

 Male

11,690 (49.5)

606,514 (48.7)

1572 (51.7)

97,265 (51.2)

 Missing

5 (<1)

864 (<1)

0 (−)

2 (< 1)

  < 37 weeks (preterm)

1796 (7.6)

72,204 (5.8)

233 (7.7)

11,691 (6.2)

 Missing

0 (−)

5 (< 1)

12 (< 1)

423 (<1)