Table 1.
Socio economic characteristics of the three staging groups
| Stage 1 group n = 75 (74a) | Stage 2 group n = 396 | Stage 3 group n = 52 | |
|---|---|---|---|
| Sex, female, n (%) | 34 (45) | 190 (48) | 21 (40) |
| Age, years, mean (SD) | 10.1 (0.30) | 10.2 (0.12) | 10.2 (0.40) |
| 1st or 2nd generation immigrant, n (%) | NA | 5 (1) | NA |
| Mother’s highest education, n (%) | + | ||
| Lower secondary | 5 (7) | 27 (7) | 10 (19) |
| Upper secondary | 30 (41) | 152 (41) | 18 (35) |
| Short cycle tertiary, Bachelor or equivalent | 33 (45) | 186 (48) | 20 (38) |
| Master or equivalent | 6 (8) | 25 (6) | 4 (8) |
| Father’s highest education, n (%) | * | ||
| Lower secondary | 8 (13) | 53 (15) | 9 (19) |
| Upper secondary | 41 (64) | 178 (49) | 19 (40) |
| Short cycle tertiary, Bachelor or equivalent | 10 (15) | 91 (25) | 18 (38) |
| Master or equivalent | 5 (8) | 38 (11) | NA |
| No. of children in household, n (%) | $ | ||
| 1 | 24 (32) | 67 (17) | 6 (12) |
| 2 | 30 (41) | 235 (59) | 30 (58) |
| 3 + | 20 (27) | 94 (24) | 16 (31) |
| Household type, n (%) | |||
| Single woman | 15 (20) | 90 (23) | 15 (29) |
| Couple | 47 (64) | 276 (70) | 32 (62) |
| Other constellations (single male or more than one family) | 12 (16) | 30 (8) | 5 (10) |
| Household income before tax, n (%) | |||
| 0–500,000 DKK | 24 (32) | 112 (28) | 21 (40) |
| > 500,000–1,000,000 DKK | 40 (54) | 235 (59) | 23 (44) |
| > 1,000,000 DKK | 10 (14) | 49 (12) | 8 (15) |
aOne child is not identifiable in the national register, hence only sex and age were available. NA Not applicable due to the combination of low number and data confidentiality
*Group 1 is statistically significant different from group 3 on a P-level < 0.05
+Group 2 is statistically significant different from group 3 on a P-level < 0.05
$Group 1 is statistically significant different from group 2 and 3 on a P-level < 0.05