Description

The Personal Lifestyle Questionnaire (PLQ-24) is a psychometric instrument designed to assess health-related lifestyle behaviors and personal habits that influence overall well-being. The questionnaire consists of 24 items focusing on key dimensions of lifestyle and daily health practices.

The PLQ-24 provides an overall assessment of individuals’ lifestyle patterns by examining behaviors associated with health promotion and disease prevention.

The questionnaire is applicable in health psychology, public health research, preventive medicine, and interventions aiming to improve quality of life through lifestyle modification.

Objective

The primary objective of the PLQ-24 is to evaluate individuals’ health-related behaviors and habits, providing insight into their overall lifestyle profile.

The questionnaire aims to identify lifestyle behaviors that may require improvement in order to promote better health outcomes.

It can also contribute to the identification of individuals who may be at increased risk of health problems due to unhealthy habits and provide a foundation for designing and evaluating health promotion interventions.

Structure and Content

The PLQ-24 consists of 24 items assessing different dimensions of lifestyle-related behaviors.

The main dimensions evaluated include:

Diet, assessing healthy food consumption patterns and balanced nutrition habits.

Physical Activity, evaluating levels of exercise and regular engagement in physical activities.

Stress Management, examining strategies and practices used to reduce and cope with stress.

Sleep Habits, assessing sleep quality and duration.

Smoking and Alcohol Consumption, evaluating the frequency and amount of tobacco and alcohol use.

Scoring

The PLQ-24 responses are collected through participants’ answers to lifestyle-related questions, typically using a Likert-type scoring system.

Scores provide a quantitative estimation of health-related habits and behaviors across the different lifestyle dimensions.

Higher scores generally indicate healthier lifestyle behaviors, while lower scores may indicate areas requiring improvement.

Data Analysis and Use

The PLQ-24 provides quantitative information regarding individuals’ lifestyle patterns and health-related behaviors.

Data analysis may include:

Descriptive statistics, such as means, frequencies, and percentages, to describe lifestyle behaviors within a population.

Reliability analysis, including Cronbach’s alpha, to evaluate the internal consistency of the questionnaire.

Correlation and factor analysis, to investigate relationships between lifestyle dimensions and identify possible behavioral patterns.

The results can be used to examine the relationship between lifestyle habits and health outcomes and to develop intervention programs aimed at improving quality of life.

Statistical Analysis

The psychometric evaluation of the PLQ-24 includes reliability and structural analyses.

Reliability assessment is performed through internal consistency analysis, commonly using Cronbach’s alpha, to determine whether the items consistently measure lifestyle dimensions.

Factor analysis is used to examine the structure of the questionnaire and determine whether items form distinct behavioral categories.

Validation studies using different populations contribute to evaluating the applicability and reliability of the instrument across groups.

Validity

The validity of the PLQ-24 is supported through its assessment of established health-related lifestyle dimensions, including nutrition, physical activity, stress management, sleep, and substance-related behaviors.

The use of factor analysis and validation procedures across different populations supports the evaluation of the questionnaire’s construct validity and applicability.

Reliability

The reliability of the PLQ-24 is evaluated through internal consistency analysis using indicators such as Cronbach’s alpha.

The questionnaire’s reliability should be examined within each research sample to ensure consistent measurement of lifestyle behaviors across different populations.

References

Walker, S. N., Sechrist, K. R., & Pender, N. J. (1987). The Health-Promoting Lifestyle Profile: Development and psychometric characteristics. Nursing Research, 36(2), 76–81.

Pender, N. J., Murdaugh, C. L., & Parsons, M. A. (2010). Health Promotion in Nursing Practice. Pearson Education.

Hosseini, S. M., et al. (2015). The relationship between lifestyle and health-related quality of life in a rural population. Journal of Nursing and Midwifery Research, 20(4), 449–455.