Table 1.
Family Sociodemographic and Fertility Treatment Characteristics by Family Type
| Egg donation (N = 85) | IVF (N = 65) | Independent samples t test | |||||
|---|---|---|---|---|---|---|---|
| M | SD | M | SD | t | p | d | |
| Mother's age (years) | 42.45 | 4.27 | 36.95 | 4.20 | 7.87 | < .001 | 1.30 |
| Father's age (years) | 43.26 | 6.23 | 40.35 | 6.02 | 2.87 | .01 | 0.47 |
| Child's age (months) | 11.34 | 2.15 | 9.68 | 1.97 | 4.88 | < .001 | 0.80 |
| Relationship (years) | 12.06 | 5.25 | 11.89 | 4.70 | 0.21 | .83 | 0.03 |
| N (%) | N (%) | Chi‐square | |||
|---|---|---|---|---|---|
| χ2 | df | p | |||
| Sex of child | |||||
| Female | 40 (47) | 27 (42) | 0.45 | 1 | .50 |
| Male | 45 (53) | 38 (58) | |||
| Multiple rate | |||||
| Singleton | 73 (86) | 56 (86) | 0.01 | 1 | .94 |
| Twin pair | 12 (14) | 9 (14) | |||
| No. of siblings | |||||
| 0 | 60 (71) | 21 (32) | 21.73 | 1 | < .001 |
| 1 or more | 25 (29) | 44 (68) | |||
| Mother's education | |||||
| School education | 20 (27) | 20 (32) | 0.43 | 1 | .51 |
| Higher education | 55 (73) | 43 (68) | |||
| Father's education | |||||
| School education | 27 (36) | 21 (33) | 0.15 | 1 | .70 |
| Higher education | 47 (64) | 42 (67) | |||
| M | SD | M | SD | Mann–Whitney U test | |||
|---|---|---|---|---|---|---|---|
| U | p | d | |||||
| Fertility treatment | |||||||
| Decision to have child (years) | 6.41 | 2.97 | 4.15 | 2.64 | 1,433.00 | < .001 | 0.90 |
| No. IVF cycles to conceive child | 3.32 | 2.22 | 1.78 | 1.15 | 1,558.00 | < .001 | 0.80 |
IVF = in vitro fertilization.