Research Article
Comparing Adolescent Only Children with Those Who Have Siblings on Academic Related Outcomes and Psychosocial Adjustment
Table 1
Frequency and percentage distribution of singletons, nonsingletons, firstborn, and laterborns by sibling size.
| | | Frequency | Percent |
| | Total sample | | | | Singleton | 780 | 8% | | Nonsingleton with 1 sibling | 3,267 | 33% | | Nonsingleton with 2 siblings | 2,548 | 25% | | Nonsingleton with 3 siblings | 1,509 | 15% | | Nonsingleton with 4+ siblings | 1,919 | 19% |
| | Total | 10,023 | 100% |
| | Firstborn | | | | Firstborn with 1 younger sibling | 1,689 | 55% | | Firstborn with 2 younger siblings | 848 | 28% | | Firstborn with 3 younger siblings | 327 | 11% | | Firstborn with 4+ younger siblings | 210 | 7% |
| | Total | 3,074 | 100% |
| | Laterborn | | | | Laterborn with 1 sibling | 1,578 | 26% | | Laterborn with 2 siblings | 1,700 | 28% | | Laterborn with 3 siblings | 1,182 | 19% | | Laterborn with 4+ siblings | 1,709 | 28% |
| | Total | 6,169 | 100% |
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