Total | Norway | Sweden | Denmark | Iceland | Chi2test | |
---|---|---|---|---|---|---|
N = 2992 | N = 468 | N = 438 | N = 1799 | N = 287 | p-value | |
n(%) | n (%) | n (%) | n (%) | n (%) | ||
Age groups | <0.001 | |||||
<25 years | 202 (6.8) | 26 (5.6) | 24 (5.5) | 119 (6.6) | 33 (11.5) | |
25-34 years | 1923 (64.3) | 295 (63.0) | 234 (53.4) | 1188 (66.0) | 206 (72.0) | |
>35 years | 850 (28.4) | 145 (31.0) | 177 (40.4) | 481 (26.7) | 47 (16.4) | |
Missing | 17 (0.6) | 2 (0.4) | 3 (0.7) | 11 (0.6) | 1 (0.3) | |
Marital status | <0.001 | |||||
Married/cohabit | 2918 (97.5) | 449 (95.7) | 407 (92.9) | 1779 (98.9) | 284 (99.0) | |
Not married/cohabit | 51 (1.7) | 17 (3.6) | 13 (3.0) | 20 (1.1) | 1 (0.3) | |
Missing | 23 (0.8) | 3 (0.6) | 18 (4.1) | 0 | 2 (0.7) | |
Tobacco use | <0.001 | |||||
Yes | 198 (6.6) | 16 (3.4) | 5 (1.1) | 167 (9.3) | 10 (3.5) | |
No | 2735 (91.4) | 450 (96.2) | 425 (97.0) | 1587 (88.2) | 273 (95.1) | |
Missing | 59 (2.0) | 2 (0.4) | 8 (1.8) | 45 (2.5) | 4 (1.4) | |
Number of children | 0.004 | |||||
First baby | 524 (17.5) | 80 (17.1) | 70 (16.0) | 313 (17.4) | 61 (21.3) | |
One previous child | 1257 (42.0) | 175 (37.4) | 208 (47.5) | 753 (41.9) | 121 (42.2) | |
Two previous children | 828 (27.7) | 137 (29.3) | 113 (25.8) | 494 (27.5) | 84 (29.3) | |
Three or more previous children | 322 (10.8) | 74 (15.8) | 46 (10.5) | 182 (10.1) | 20 (7.0) | |
Missing | 61 (2.0) | 2 (0.4) | 1 (0.2) | 57 (3.2) | 1 (0.3) | |
Body Mass Index (BMI), mean (SD) | ||||||
BMI-groups | 0.001 | |||||
<18.5 | 101 (3.4) | 16 (3.4) | 16 (4.7) | 60 (3.3) | 9 (3.1) | |
18,5-24.9 | 1943 (64.9) | 289 (61.8) | 260 (59.4) | 1220 (67.8) | 174 (60.6) | |
25.0-29.9 | 516 (17.2) | 87 (18.6) | 51 (11.6) | 323 (18.0) | 55 (19.9) | |
>30 | 196 (6.6) | 25 (5.3) | 17 (3.9) | 116 (6.4) | 38 (13.2) | |
Missing | 236 (7.9) | 51 (10.9) | 94 (21.5) | 80 (4.4) | 11 (3.8) |