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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Sleep Med. 2012 Jul 25;13(8):1039–1049. doi: 10.1016/j.sleep.2012.06.005

Table 5.

Age-adjusted and multivariable odds of greater sleep symptoms and sleep burden and high risk of OSA among men participants in the Jackson Heart Study, 2000–2004

Sleep Symptoms Sleep Burden Risk of OSA*
Characteristic Model 1 Model 2 Model 1 Model 2 Model 1 Model 2
Age per 3 years 1.04 (0.99, 1.09) 0.98 (0.91, 1.05) 0.91 (0.88, 0.95) 0.98 (0.92, 1.04) ---------- ----------
Education
 <High School 1.52 (1.04, 2.24) ---------- 0.90 (0.65, 1.23) 0.61 (0.37, 1.02) 0.57 (0.41, 0.79) 0.73 (0.42, 1.24)
 High School 1.13 (0.80, 1.58) ---------- 0.92 (0.69, 1.23) 0.69 (0.45, 1.08) 0.74 (0.55, 0.99) 0.67 (0.41, 1.08)
 Some College 1.17 (0.87, 1.58) ---------- 1.09 (0.85, 1.41) 1.15 (0.82, 1.62) 0.89 (0.69, 1.16) 0.91 (0.61, 1.34)
 ≥College Graduate 1.0 ---------- 1.0 1.0 1.0 1.0
Annual household income
 <$25,000 1.62 (1.13, 2.32) ---------- 1.19 (0.88, 1.62) ---------- 0.50 (0.37, 0.69) ----------
 $25,000-$49,999 1.19 (0.84, 1.68) ---------- 0.95 (0.70, 1.30) ---------- 0.71 (0.51, 0.97) ----------
 $50,000-$74,999 1.79 (1.22, 2.62) ---------- 1.17 (0.86, 1.61) ---------- 0.94 (0.67, 1.31) ----------
 ≥$75,000 1.0 ---------- 1.0 ---------- 1.0 ----------
 Unknown 1.42 (0.96, 2.09) ---------- 1.00 (0.71, 1.40) ---------- 0.85 (0.60, 1.20) ----------
Marital Status
 Married 1.0 ---------- 1.0 ---------- 1.0 1.0
 Divorced/Widowed/Separated 0.75 (0.56, 1.01) ---------- 0.96 (0.74, 1.25) ---------- 0.52 (0.40, 0.67) 0.48 (0.32, 0.73)
 Single/Unmarried 1.02 (0.67, 1.56) 0.81 (0.34, 1.93) 0.75 (0.52, 1.07) ---------- 0.47 (0.33, 0.67) 0.20 (0.11, 0.35)
Cigarette Use
 Never 1.0 1.0 1.0 ---------- 1.0 1.0
 Former 1.47 (1.08, 2.00) 1.57 (1.04, 2.38) 1.29 (1.00, 1.66) ---------- 1.09 (0.83, 1.42) 1.56 (1.05, 2.33)
 Current 1.46 (1.04, 2.05) 1.48 (0.91, 2.41) 1.16 (0.88, 1.52) ---------- 0.51 (0.39, 0.67) 0.87 (0.54, 1.39)
Physical activity score 0.93 (0.89, 0.98) 0.93 (0.87, 0.99) 0.96 (0.92, 1.00) ---------- 0.98 (0.94, 1.02) 0.91 (0.85, 0.98)
Body mass index per 5 kg/m2 1.32 (1.18, 1.47) ---------- 1.33 (1.23, 1.45) ---------- ---------- ----------
Waist circumference per 5 cm 1.11 (1.06, 1.16) ---------- 1.13 (1.09, 1.17) 1.12 (1.07, 1.18) 1.75 (1.64, 1.86) 1.47 (1.32, 1.63)
Neck circumference per 3 cm 1.42 (1.26, 1.59) 1.30 (1.11, 1.52) 1.39 (1.27, 1.54) 3.87 (3.32, 4.51) 1.69 (1.33, 2.15)
General health
 Excellent/Good 1.0 ---------- 1.0 1.0 1.0 ----------
 Fair/Poor 2.05 (1.50, 2.81) ---------- 1.89 (1.51, 2.37) 1.78 (1.26, 2.53) 1.39 (1.09, 1.77) ----------
Global Perceived Stress 1.05 (1.02, 1.08) ---------- 1.10 (1.08, 1.13) 1.06 (1.02, 1.10) 1.03 (1.00, 1.06) ----------
Depressive symptoms 1.90 (1.23, 2.94) ---------- 1.85 (1.35, 2.53) ---------- 1.26 (0.90, 1.77) ----------
Hypertension Yes versus No 1.77 (1.36, 2.29) 1.50 (1.07, 2.12) 1.45 (1.16, 1.82) ---------- 1.83 (1.47, 2.28) 1.56 (1.13, 2.18)
Diabetes Yes versus No 1.57 (1.09, 2.25) ---------- 1.33 (1.02, 1.75) ---------- 2.84 (2.02, 4.01) ----------
Cardiovascular disease Yes versus No 1.49 (0.98, 2.27) ---------- 1.26 (0.92, 1.72) ---------- 1.75 (1.20, 2.54) 2.37 (1.22, 4.61)
Duration of sleep
 <7 Hours 1.60 (1.25, 2.05) 1.42 (1.02, 1.98) 1.66 (1.34, 2.05) ---------- 1.25 (1.01, 1.55) ----------
 7 ± 8 Hours 1.0 1.0 1.0 ---------- 1.0 ----------
 >8 Hours 1.01 (0.59, 1.74) 0.74 (0.36, 1.50) 0.75 (0.43, 1.31) ---------- 0.61 (0.37, 0.99) ----------
Perceived sleep quality
 Excellent/Very Good/Good 1.0 ---------- 1.0 1.0 1.0 ----------
 Fair/Poor 1.77 (1.33, 2.34) ---------- 2.15 (1.74, 2.67) 1.80 (1.31, 2.47) 1.01 (0.81, 1.26) ----------
Restless sleep
 None/Mild 1.0 1.0 1.0 1.0 1.0 ----------
 Moderate/Severe 2.78 (1.67, 4.64) 2.48 (1.45, 4.25) 3.31 (2.39, 4.57) 2.35 (1.62, 3.40) 1.38 (0.98, 1.96) ----------

Abbreviations: OSA = Obstructive sleep apnea.

Model 1 is an age-adjusted logistic regression model for bivariate associations. Model 2 is the most parsimonious multivariable model obtained using a backward elimination technique (significance level of 0.05 for variable removal).

*

Age and body mass index were not considered as potential risk factors because these two variables are components of the Risk of OSA score.