Skip to main content
. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Behav Med. 2015 Mar 27;38(3):544–555. doi: 10.1007/s10865-015-9627-4

Table 2.

Odds of CVD risk factors by severity of sleep onset difficulties

Samplea
Statisticb
Groupc None/minimal sleep
difficulties (%)
Moderate/severe sleep
onset difficulties (%)
N % OR CI
Behavioral factors
  Current smoker 918 19.72 2.19 (1.46–3.28) Sample 17.53 31.08
  Pack years (>4.5) current and ex-smokers 406 46.80 1.23 (0.73–2.09) Sample 46.81 46.75
  Pack years (>5.75) current smokers only 180 47.78 1.50 (0.7–3.21) Sample 46.67 51.11
  Body mass index >25 173 82.08 1.93 (0.52–7.15) Sample 81.08 88.00
Physiological factors
  Self-reported hypertension diagnosis 801 25.09 1.52 (0.97–2.38) Sample 23.89 31.71
  Hypertension medication use 496 32.26 1.12 (0.66–1.87) Sample 32.08 32.99
  Systolic blood pressure ≥120 mmHg 287 68.29
4.83 (1.25–18.57) YW 49.15 82.35
4.22 (0.85–20.92) YNW 56.60 84.62
0.23 (0.04–1.19) OW 76.74 42.86
3.38 (0.41–27.73) ONW 78.05 92.31
  Diastolic blood pressure ≥80 mmHg 287 35.54 1.14 (0.6–2.17) Sample 35.44 36.00
Psychiatric factors
  Current PTSD diagnosis 854 10.30 5.02 (3.12–8.08) Sample 7.07 27.82
  PTSD symptoms (>64 on DTS) 922 6.94 8.57 (5.03–14.61) Sample 3.61 24.49
  Current depression diagnosis 929 5.81 2.80 (1.54–5.07) Sample 4.62 12.08
  Depression symptoms (≥17 on BDI) 929 12.27 4.41 (2.87–6.78) Sample 8.85 30.20

Bold values indicate statistical significance (p < .05)

PTSD posttraumatic stress disorder

a

Percent within group

b

Odds ratio calculated for subgroups when Breslow Day indicates they are not homogeneous. Otherwise, the sample odds ratio is reported

c

YW younger white, YNW younger non-white, OW older white, ONW older non-white