Sentence examples for matched on smoking from inspiring English sources

In the subgroup analysis whether or not the studies were matched on smoking, significantly increased risk was found not in those matched studies but in the unmatched studies (Lys/Gln versus Lys/Lys: OR = 1.11, 95% CI = 1.03 1.19; Gln/Gln versus Lys/Lys: OR = 1.22, 95% CI = 1.07 1.40; dominant model: OR = 1.13, 95% CI = 1.05 1.22; and recessive model: OR = 1.18, 95% CI = 1.04 1.33).

Even though cases and controls were matched on smoking status (never, past, current), pack-years of smoking (among past and current smokers) were higher among cases than controls.

We conducted a hospital-based case-control study with lung cancer cases and controls matched on smoking status, and further adjusted for smoking status, duration, and intensity in the multivariate models.

The strength of the current study is the use of two approaches to control the confounding effects of smoking: cases and controls were first matched on smoking status; and then smoking status, smoking intensity (indicated by number of cigarettes per day), and smoking duration (indicated by years of smoking) were further adjusted in the data analysis.

In the current study, cases and controls were matched on smoking status, and then smoking status as well as smoking duration and intensity were further adjusted in the multivariate models, in an attempt to decrease the degree of residual confounding by cigarette smoking and help to delineate the effect of cruciferous vegetables on lung cancer risk in relation to smoking.

Even after matching on smoking status, cases still had significantly higher number of cigarettes per day and more years of smoking than controls.

However, we will use matching on smoking status, age and educational level as a technique to create similar groups of participants.

The study included 387 incident MI case and 767 controls matched on age, smoking status, and time from randomization in 6-month intervals.

Using risk-set sampling which selects controls from the base population that gave rise to the cases,[27] controls were randomly selected 2 1 matched on age, smoking, date of blood draw, and fasting status (women only) from participants free of cardiovascular disease at the time the case was diagnosed.

Hospital-based case control study was designed consisting of 160 diagnosis subjects with hepatocellular carcinoma and 160 cancer-free control subjects matched on age, gender, smoking and alcohol status.

Methods: To determine the association of the TNF-α gene G-308A polymorphism on the risk of hepatocellular carcinoma (HCC) in a Turkish population, a hospital-based case-control study was designed consisting of 110 diagnosis subjects with hepatocellular carcinoma and 110 cancer-free control subjects matched on age, gender, smoking and alcohol status.