In a study among French adolescents, boys with a bedroom television were more likely than their peers to have a larger waist size and higher body fat and body mass index.
This pattern has been previously documented by Oba (2012) in a study among the Matheniko of Karamoja sub-region.
Sometimes the extent of selection bias can be estimated in a study among non-participants (see page 15).
Blennow and Persson (2009) came to the same conclusion in a study among Swedish private forest owners.
In a study among 2849 T2DM patients in the UK, it was shown that only 13% of the patients adhered strictly to the drug regimen [40].
In a study among AAs in north central Florida [5], self-reported incidents of discrimination were associated with psychological distress and lower self-esteem.
In a study among an Indian population, no significant association between 25-[OH] D concentrations (30 weeks of gestation) and GDM risk was observed [26].
In a study among pregnant African American women, a cut point of ≥33 was used (30).
Similarly, Odek Ogunde et al. [ 34] reported a rate of 19.7% in a study among students at a Kenyan university.
This relationship has also been established in a study among primary care patients, which was developed in France.
In a study among Spanish children, DDE was associated with lower serum IGF-1 (Zumbado et al. 2010).
