Characteristics of the study population.

<p>SD = standard deviation; BMI = body mass index; BFP = Body fat percentage measured with bioelectrical impedance [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0137739#pone.0137739.ref024" target="_blank">24</a>]; WHR = waist-hip ratio; HGS = handgrip strength, the highest measurement of handgrip strength (in Newton)</p><p>* Highest obtained educational degree: ‘No school’ (never been to school or elementary schooling only), ‘Lower education’ (lower vocational schooling or lower secondary schooling), ‘Intermediate education’ (intermediate vocational schooling or intermediate/higher secondary schooling) or ‘Higher education’ (higher vocational schooling or university)</p><p>† Alcohol use based on the first two questions of the Alcohol Use Disorders Identification Test (AUDIT), classified as ‘Abstinate, ‘Moderate drinking’ (on average a maximum of 2 units alcohol a day, never more than 6 units a day) and ‘Excessive drinking’ (on average more than 2 units alcohol a day or more than 6 units a day)</p><p>‡ Physical activity score (min/week) assessed with the Short Questionnaire to Assess Health-Enhancing Physical Activity (SQUASH)</p><p>§Type 2 diabetes mellitus determined by a self-reported physician diagnosis, medication use or a fasting glucose level of ≥7.0 mmol/L (53 mmol/mol).</p><p>Characteristics of the study population.