Covariates comprised sex, age, childhood economic difficulties, occupational class, baseline and follow-up income, housing tenure, smoking, heavy drinking, obesity and physical and mental functioning at baseline.
Again, adjustments for childhood economic difficulties, occupational class, baseline and follow-up income as well as housing tenure attenuated only slightly the associations between changes in economic difficulties and subsequent intermediate and long sickness absence (models 2 4).
Additional adjustment for baseline age, sex, BMI, ethnicity, blood pressure, heart rate, respiratory rate, haemoglobin, creatinine, admitting diagnosis, medical comorbidities, operative procedure, Rockwood clinical frailty score, Charlson comorbidity index, American Society of Anaesthesiologists class, baseline month of enrolment, and/or baseline place of residence will be performed.
In advanced HIV infection where the individuals experienced virologic failure to all three ARV drug classes, baseline CD4 count was found to be a strong predictor of short-term risk of AIDS and death [ 16].
The paper concentrates on a class of baseline heuristics for this problem, known as neighborhood search techniques.
Typical high throughput microarrays experiments compare gene expression across two specimen classes – an experimental class and baseline (or comparison) class.
Predictors included intervention arm, most likely class at baseline, and their interaction.
Repairs were associated with low functional class at baseline and low disease activity at follow up.
Additionally, controlling for potentially confounding factors such as social class and baseline depression (which also related to whether data were missing) would have minimised this bias.
The following variables were included in the imputation model as covariates: age, sex, diabetes mellitus, lesion length, total occlusion, and Rutherford class at baseline.
