Stability of DSM-IV and DSM-5 insomnia (n=1037)
| DSM-IV insomnia OR (95% CI) | DSM-5 insomnia OR (95% CI) | |
| Ages 4–6 years | 15.28 (4.42 to 52.88) | n/a |
| Ages 6–8 years | 7.33 (2.57 to 20.96) | n/a |
| Ages 8–10 years | 5.05 (2.61 to 9.75) | n/a |
| Ages 10–12 years | 9.29 (4.49 to 19.20) | 6.24 (2.71 to 14.37) |
| Ages 12–14 years | 7.06 (3.31 to 15.06) | 10.50 (4.86 to 22.70) |
| Preschool to middle childhood | 5.18 (2.51 to 10.68) | n/a |
| Middle childhood to early adolescence | 4.72 (2.79 to 8.00) | n/a |
| Preschool to early adolescence | 1.68 (0.73 to 3.89) | n/a |
Reference category is those without insomnia which continues to not have insomnia. n/a as data not available, DSM-5 criteria introduced at 10 years of age.
DSM, Diagnostic and Statistical Manual of Mental Disorders.