Table 1.
Descriptive data on women with Hepatitis B
| Hepatitis B 2990 (0.27%) |
Non-hepatitis B 1,090,979 (99.73%) |
|
|---|---|---|
| Maternal age at delivery | p < 0.001 | |
| ≤24 | 506 (16.92) | 156,906 (14.38) |
| 25–34 | 1780 (59.53) | 709,970 (64.91) |
| ≥35 | 704 (23.55) | 226,587 (20.70) |
| Calendar period of birth | p < 0.001 | |
| 2001–2006 | 1105 (36.96) | 564,577 (51.75) |
| 2007–2011 | 1885 (63.04) | 527,038 (48.25) |
| Cigarette smoking | p = 0.014 | |
| No | 2623 (87.73) | 955,048 (85.84) |
| 1–10 cig./day | 161 (5.38) | 62,420 (5.72) |
| 10+ cig./day | 79 (2.64) | 20 985 (1.92) |
| Missing | 127 (4.25) | 52 526 (4.81) |
| Parents living together | p < 0.001 | |
| No | 383 (12.81) | 59,188 (5.43) |
| Yes | 2484 (83.08) | 981,125 (89.93) |
| Missing | 123 (4.11) | 50,666 (4.64) |
| BMI | p < 0.001 | |
| 11–19.9 | 379 (12.68) | 96,045 (8.80) |
| 20–24.9 | 1269 (42.44) | 521,942 (47.84) |
| 25–29.9 | 740 (24.75) | 247,764 (22.71) |
| 30–60 | 273 (9.13) | 113,702 (10.42) |
| Missing | 329 (11.00) | 11,526 (11.22) |
| Parity | p < 0.001 | |
| 1 | 1014 (33.91) | 488,887 (44.81) |
| 2 | 989 (33.08) | 396,034 (36.30) |
| 3+ | 987(33.01) | 206,058 (18.89) |
| Diabetes | p = 0.778 | |
| No | 2975 (99.50) | 1,085,093 (99.46) |
| Yes | 15 (0.50) | 5886 (0.54) |
| Alcohol dependence | p < 0.001 | |
| No | 2934 (98.13) | 1,077,030 (98.72) |
| Yes | 56 (1.87) | 13,949 (1.28) |
| Other dependencies | p < 0.001 | |
| No | 2930 (97.99) | 1,079,104 (98.91) |
| Yes | 60 (2.01) | 11,875 (1.09) |
| Country of Birth | p < 0.001 | |
| Sweden | 232 (7.76) | 868,673 (79.62) |
| Other Nordic | 10 (0.33) | 18,773 (1.72) |
| Others | 2748 (91.91) | 203,533 (18.66) |
| Educational level | p < 0.001 | |
| ≤9 | 1029 (34.41) | 125,374 (11.49) |
| 10–12 | 1004 (33.58) | 44,984 (41.24) |
| 13 | 762 (25.48) | 499,411 (45.78) |
| Missing | 195 (6.52) | 16,310 (1.49) |
The p value is from chi2-test