Skip to main content

Advertisement

Table 1 Descriptive characteristics of young people in the BASUS cohort across levels of cumulative sleep deprivation

From: Chronic sleep deprivation and gender-specific risk of depression in adolescents: a prospective population-based study

  History of sleep deprivation
None (n = 2141) Occasional (n = 533) Chronic (n = 397)
Baseline (Wave 4* or 5)
Female 51% 54% 61%
Age (years), mean (SD) 14.8 (0.7) 14.8 (0.7) 14.8 (0.7)
White ethnicity 54% 47% 38%
Post-pubertal stage 9% 7% 12%
High family income 44% 39% 37%
Highest maternal education 41% 37% 37%
Excellent/Good Health 62% 52% 51%
BMI (Kg/m2), mean (SD) 21.0 (4.0) 20.9 (3.9) 20.8 (3.8)
Sleep duration (hr), mean (SD) 9.0 (0.8) 8.2 (0.9) 7.3 (0.8)
CESD score, mean (SD) 15.2 (10.5) 17.6 (11.0) 18.4 (11.3)
Mid-point (Wave 6)
Sleep duration (hr), mean (SD) 8.9 (0.8) 7.9 (0.9) 7.0 (0.7)
Follow-up (Wave 7)
Sleep duration (hr), mean (SD) 8.9 (0.8) 7.7 (0.9) 7.1 (0.7)
CESD score, mean (SD) 15.0 (10.4) 18.2 (11.0) 19.0 (11.9)
Depressed (CESD≥24) 20% 28% 32%
  1. Data on imputed sample (n = 3071). *Data on BMI from Wave 4 only. BMI, body mass index (kg/m2); high family income was perceived as far above average/quite a bit above average relative to peers; CESD, Centre for Epidemiologic Studies Depression Scale score; Depressed (CESD≥24)