Flow chart of the selection process of study subjects from National Health and Nutrition Examination Survey IV, V, VI.

Flow chart of the selection process of study subjects from National Health and Nutrition Examination Survey IV, V, VI.</p

The association between working schedules and alcohol use disorders, problems in 5 dimensions of EuroQol-5D.

The association between working schedules and alcohol use disorders, problems in 5 dimensions of EuroQol-5D.</p

Multivariate logistic regression for the associated factors with obesity (body mass index ≥25kg/m²).

<p>Multivariate logistic regression for the associated factors with obesity (body mass index ≥25kg/m²).</p

Associations between age at first oral contraceptives use, duration of oral contraceptives use and obesity (body mass index ≥25kg/m²) in ever-oral contraceptive users, stratified by micronutrient intake.

<p>Associations between age at first oral contraceptives use, duration of oral contraceptives use and obesity (body mass index ≥25kg/m²) in ever-oral contraceptive users, stratified by micronutrient intake.</p

Comparison of basic characteristics between oral contraceptive users and nonusers.

<p>Comparison of basic characteristics between oral contraceptive users and nonusers.</p

Associations between age at first OC use, duration of oral contraceptives use and obesity (body mass index ≥25kg/m²) in ever-oral contraceptive users.

<p>Associations between age at first OC use, duration of oral contraceptives use and obesity (body mass index ≥25kg/m²) in ever-oral contraceptive users.</p

Prevalence (percentage) of last-one-year night-shift work according to the Korea National Health and Nutrition Examination Survey (KNHANES) through 3 periods included the fourth (2007–2009), the fifth (2010–2012) and, the sixth (2013–2015) in Korean adult workers 20≤ age < 60 years.

Prevalence (percentage) of last-one-year night-shift work according to the Korea National Health and Nutrition Examination Survey (KNHANES) through 3 periods included the fourth (2007–2009), the fifth (2010–2012) and, the sixth (2013–2015) in Korean adult workers 20≤ age < 60 years.</p

Means (standard deviation) of Alcohol Use Disorders Identification Test score and EuroQol-5D index in each working schedule.

Means (standard deviation) of Alcohol Use Disorders Identification Test score and EuroQol-5D index in each working schedule.</p

General characteristics of study population (n = 26,895).

General characteristics of study population (n = 26,895).</p

Associations between socio-demographic variables and cognitive impairment in adults aged 60-64 living in a rural area, Korea.

*<p>P-value<0.05.</p