Sentence examples for principal variable is from inspiring English sources

The principal variable is the equivalence ratio, φ, while the swirl number and mean axial entry velocity remain constant.

The dependent or principal variable is the child's exposure using the measure of nicotine in hair.

Descriptive statistics for all the principal variables were calculated.

Categorical data of principal variables are presented as percentages and comparisons made by chi-square tests.

Recommendations by principal variables are summarised in Figure  2 for NAID.

The following principal variables were covered: knowledge, attitudes and practices related to oral health; dietary habits; self-assessment of oral and general health status; experience of pain and discomfort; patterns of physical exercise; residential area; and socio-economic situation.

The principal outcome variable is health-related quality of life, measured blindly with the 30-item European Organization for the Research and Treatment of Cancer Core Quality of Life Questionnaire and Short Form-36 four times: at baseline, and 2, 6 and 12 months later.

In this sense, a new line of research is being developed; it is concerned about the methodological design of these studies, inclusion of the principal variables that are being analyzed and assessment of the most objective form of quality of the services rendered.

In the design of solar air heaters (SAHs), channel depth is a principal variable to be fixed.

An alternative breast-height density model using ring width as its principal independent variable was fitted to densitometry data averaged by ring at each of 25 sites.

The principal outcome variable was HIV infection status (HIV antibody-positive or -negative).