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. 2017 Feb 7;40(1):zsw008. doi: 10.1093/sleep/zsw008

Table 2.

Demographic Characteristics of Patients in the MetSO Trial.

Variables Intervention (%) Control (%) p
Age 60.2 ± 13.6 57.9 ± 13.0 .113
Gender .986
 Male 28.8 28.7
 Female 71.2 71.3
Income .388
 <$10 000 43.0 48.0
 ≥$10 000 57.0 52.0
Education .719
<High School 30.4 32.3
>High School 69.6 67.7
Birthplace .837
United States 44.0 42.9
Other 56.0 57.1
Smoking history .939
No 67.3 67.7
Yes 32.7 32.3
Alcohol history .371
No 66.9 71.8
Yes 33.1 28.2
BMI .366
<25 10.0 14.9
2530 21.2 21.3
>30 68.8 63.8

MetSO, Metabolic Syndrome Outcome Cohort Study; BMI, body mass index.

Values represent mean ± standard deviation for continuous variables or percentages for categorical variables