From: The effects of oral clefts on hospital use throughout the lifespan
Variables | Age group | Â | Â | Â |
---|---|---|---|---|
 | 0-9 years |  | 10-19 years |  |
 | controls | cases | controls | cases |
Total number of observations | 665,588 | 26,178 | 683,315 | 27,500 |
Total number of individuals | 90,791 | 3,597 | 98,163 | 3,889 |
Male | 342,157 (51.41%) | 15,684 (59.91%) | 351,112 (51.38%) | 16,756 (60.93%) |
Age (years) | 4.54 (2.86) | 4.59 (2.85) | 14.54 (2.88) | 14.53 (2.87) |
Hospitalized at least once | 57,287 (8.61%) | 6,949 (26.55%) | 38,312 (5.61%) | 4,475 (16.27%) |
Days hospitalized (among those with at least one hospitalization) | 5.23 (11.34) | 8.08 (11.11) | 4.67 (9.60) | 5.64 (6.33) |
Maternal age (years) | 32.80 (5.38) | 32.74 (5.51) | 41.39 (5.42) | 41.27 (5.51) |
Paternal age (years) | 35.54 (6.17) | 35.59 (6.27) | 44.20 (6.11) | 44.17(6.27) |
Maternal income (DKK) | 146,463 (90,890) | 142,991 (84,593) | 149,570 (101,353) | 148,123 (113,759) |
Paternal income (DKK) | 242,329 (189,762) | 233,934 (171,085) | 259,505 (224,802) | 248,957 (205,933) |
Maternal education | Â | Â | Â | Â |
Primary and lower secondary | 221,224 (33.24%) | 9,928 (37.92%) | 277,152 (40.56%) | 12,247 (44.53%) |
Upper and post-secondary | 267,481 (40.19%) | 9,957 (38.04%) | 250,418 (36.65%) | 9,656 (35.11%) |
Tertiary | 176,883 (26.58%) | 6,293 (24.04%) | 155,745 (22.79%) | 5,597 (20.35%) |
Paternal education | Â | Â | Â | Â |
Primary and lower secondary | 175,444 (26.36%) | 7,808 (29.83%) | 210,665 (30.83%) | 9,604 (34.92%) |
Upper and post-secondary | 323,376 (48.59%) | 12,503 (47.76%) | 317,229 (46.43%) | 12,307 (44.75%) |
Tertiary | 166,768 (25.06%) | 5,867 (22.41%) | 155,421 (22.75%) | 5,589 (20.32%) |
Maternal occupational status | Â | Â | Â | Â |
Self-employed | 26,960 (4.05%) | 943 (3.60%) | 50,088 (7.33%) | 1,873 (6.81%) |
Employed | 480,752 (72.23%) | 18,666 (71.30%) | 509,599 (74.58%) | 20,000 (72.73%) |
Unemployed/others | 157,876 (23.72%) | 6,569 (25.09%) | 123,628 (18.09%) | 5,627 (20.46%) |
Paternal occupational status | Â | Â | Â | Â |
Self-employed | 65,939 (9.91%) | 2,715 (10.37%) | 97,360 (14.25%) | 3,955 (14.38%) |
Employed | 531,849 (79.91%) | 20,552 (78.51%) | 519,868 (76.08%) | 20,328 (73.92%) |
Unemployed/others | 67,800 (10.19%) | 2,911 (11.12%) | 66,087 (9.67%) | 3,217 (11.70%) |
Maternal marital status | Â | Â | Â | Â |
Married | 449,196 (67.49%) | 17,113 (65.37%) | 531,119 (77.73%) | 20,912 (76.04%) |
Cohabiting | 139,977 (21.03%) | 5,700 (21.77%) | 54,594 (7.99%) | 2,213 (8.05%) |
Single | 76,415 (11.48%) | 3,365 (12.85%) | 97,602 (14.28%) | 4,375 (15.91%) |
Maternal urbanization | Â | Â | Â | Â |
> = 1000 Inh/km2 | 107,350 (16.13%) | 3,877 (14.81%) | 90,742 (13.28%) | 3,948 (14.36%) |
500-999 Inh/km2 | 103,838 (15.60%) | 4,237 (16.19%) | 103,881 (15.20%) | 4,227 (15.37%) |
200-499 Inh/km2 | 126,009 (18.93%) | 4,840 (18.49%) | 130,914 (19.16%) | 4,817 (17.52%) |
100-199 Inh/km2 | 96,566 (14.51%) | 3,651 (13.95%) | 104,857 (15.35%) | 4,323 (15.72%) |
50-99 Inh/km2 | 143,713 (21.59%) | 5,719 (21.85%) | 156,472 (22.90%) | 6,058 (22.03%) |
< 50 Inh/km2 | 88,112 (13.24%) | 3,854 (14.72%) | 96,449 (14.11%) | 4,127 (15.01%) |
Exposure time (days living in Denmark per year) | 347.50 (62.19) | 348.12 (61.87) | 364.67 (10.52) | 364.83 (9.58) |