Table 1

Demographic, clinical, and sleep characteristics of the study population

AllDiabetes
Sleep difficulty
Sleep duration (h)
NoYesNormal sleepingPoor sleepInsomnia≤55–6>6
n1,7411,3274141,022520199449430862
Age (years)48.7 ± 13.5247.3 ± 14.257.1 ± 8.649.3 ± 14.946.5 ± 11.5649.9 ± 9.8858.3 ± 11.7851.4 ± 13.1244.0 ± 12.0
BMI27.6 ± 5.6727.0 ± 5.631.2 ± 5.127.0 ± 5.5228.8 ± 5.5729.0 ± 6.1128.06 ± 5.4027.8 ± 5.4427.1 ± 2.89
BMI percentile
    25th24.023.525.223.824.623.423.824.224.2
    50th26.225.528.326.027.327.726.226.626.5
    75th30.228.632.529.331.932.629.830.330.9
Obesity (BMI ≥30 kg/m2) (%)261939213540242729
Sex (% male)484472533726595042
Ethnicity (% white)868687868776938583
Diabetes (%)1413151822189
Glucose (mg/dl)104 ± 3593 ± 14164 ± 43103 ± 38103 ± 29109 ± 32114 ± 38107 ± 3698 ± 31
Current smoker (%)262527272721262127
Current alcohol consumption (%)16171519914161915
Depression (%)171719102042171718
Hypertension (%)353164333652564025
AHI ≥5 (%)118151111971120
Sleep duration (%)
    ≤5 h211934211930
    5–6 h232130212625
    >6 h565936585544
Sleep difficulty
    Normal sleeping707166706672
    Poor sleep222224202622
    Insomnia87101186
  • Data are means ± SD unless indicated otherwise and are adjusted for sampling weight. AHI, apnea-hypopnea index.