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A single question reliably identifies physically inactive women in primary care
Sally B Rose1, C Raina Elley, Beverley A Lawton
1Department of Primary Health Care and General Practice, Wellington School of Medicine and Health Sciences, University of Otago, Wellington, New Zealand. Sally.Rose@otago.ac.nz
The New Zealand Medical Journal
|February 8, 2008
Summary
A simple screening question effectively identifies physically inactive women in primary care settings. This validated tool aids in connecting patients with beneficial physical activity interventions.
Area of Science:
- Public Health
- Preventive Medicine
- Gerontology
Background:
- Physical inactivity is a significant public health concern, particularly among older adults.
- Primary care settings offer a crucial opportunity for early identification of individuals needing physical activity interventions.
Purpose of the Study:
- To validate a single-item screening question for identifying physically inactive adults in primary care.
- To assess the utility of this question for facilitating physical activity interventions.
Main Methods:
- A single-item physical activity screening question was administered to 1171 women aged 51-74.
- Validation was performed against the New Zealand Physical Activity Questionnaire (NZPAQ-LF).
- Statistical measures including sensitivity, specificity, and Kappa statistic were calculated.
Main Results:
- The screening question demonstrated good sensitivity (76.7%) and high specificity (81.1%).
- It achieved a high positive predictive value (86.7%) and good concordance (Kappa=0.56) with the NZPAQ-LF.
- Positive and negative likelihood ratios indicated its utility in clinical decision-making.
Conclusions:
- The single-item screening question is a valid and reliable tool for identifying physically inactive women in primary care.
- Its ease of administration and simple response format make it suitable for routine clinical use.
- This validated tool can effectively identify women who would benefit from physical activity interventions.
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