PHYSICAL ACTIVITY LEVEL AND SEDENTARY BEHAVIOR OF MILITARY POLICE STAFF

ABSTRACT Introduction: Studies of sedentary behavior in the workplace, where conditions represent a health risk, mainly involving levels of physical activity and health of police officers, have increased in several countries around the world. Objective The objective of this study was to compare the physical activity levels, sedentary behavior and health risks of military police officers involved in overt and specialized patrolling. Methods: A total of 146 military police officers involved in overt and specialized patrolling were assessed, and anthropometric data were collected for body mass - kg; height - m; BMI - kg/ m²; waist-hip ratio (WHR) and fat percentage. Physical activity and inactivity levels were determined using the International Physical Activity Questionnaire (IPAQ), short version 8, with statistical analysis (t-Test, Mann-Whitney U test and Chi-squared test, p≤0.05). Results: The mean time of physical activity – overt patrolling (108.33 ± 92.60 min/week) and specialized patrolling (137.11 ± 90.30 min/week) totaled an overall mean of 122.72 ± 91.94 min/week, p≤0.05; and time seated – overt patrolling (391.27 ± 192.90 min/week) had 30.1% of insufficiently active participants, while specialized patrolling was 319.41 ± 123.10 min/week with 17.1% of insufficiently active participants, with a total mean of 312.00 ± 112.30 min/week and 47.3% of insufficiently active participants. Active police officers are one-third less likely to develop health risk than inactive police officers (OR = 0.3, CI = 0.18-0.67). Overt patrol police officers are 3.6 more likely to develop health risk than specialized patrol police officers due to sedentary behavior (OR = 3.6, CI = 1.48-8.75). Conclusion: Both groups of military police officers have lower than recommended physical activity levels and spend most of their time seated. It was also noted that the variables of overt patrol police officers have indicators that are more detrimental to health than specialized patrol officers, yet both occupational groups should be instructed on how to adopt active and healthy lifestyles. Level of evidence II; Prognostic studies-Investigation of the effect of patient characteristics on disease outcome.摘要 引言：全球多国针对职场久坐行为的研究日益增多，此类场景下的久坐状态会带来健康风险，现有相关研究多聚焦于警员的身体活动水平与健康状况。 研究目的：本研究旨在对比执行公开巡逻与专项巡逻任务的军事警员的身体活动水平、久坐行为及健康风险。 研究对象与方法：共纳入146名执行公开巡逻与专项巡逻任务的军事警员作为研究对象，采集其人体测量学数据，包括体重（kg）、身高（m）、身体质量指数（Body Mass Index, BMI，kg/m²）、腰臀比（Waist-Hip Ratio, WHR）及体脂百分比。采用国际体力活动问卷8条目简版（International Physical Activity Questionnaire short version 8, IPAQ）评估身体活动与静态时长，并通过t检验、曼-惠特尼U检验、卡方检验进行统计学分析，检验水准设定为p≤0.05。 研究结果：公开巡逻组警员的周均身体活动时长为108.33±92.60分钟，专项巡逻组为137.11±90.30分钟，全体研究对象总体周均身体活动时长为122.72±91.94分钟（p≤0.05）。久坐时长方面，公开巡逻组为391.27±192.90分钟/周，该组体力活动不足者占比30.1%；专项巡逻组久坐时长为319.41±123.10分钟/周，体力活动不足者占比17.1%；全体研究对象总体周均久坐时长为312.00±112.30分钟，体力活动不足者占比47.3%。与体力活动不足的警员相比，身体活动活跃的警员发生健康风险的概率降低三分之一（比值比Odds Ratio, OR=0.3，95%置信区间Confidence Interval, CI=0.18~0.67）。受久坐行为影响，公开巡逻组警员发生健康风险的概率是专项巡逻组的3.6倍（OR=3.6，CI=1.48~8.75）。 研究结论：两类军事警员的身体活动水平均低于推荐标准，且多数工作时长处于久坐状态。此外，公开巡逻组警员的相关健康危害指标较专项巡逻组更为不利，因此需对两类执勤群体开展积极健康生活方式的指导。本研究证据等级为II级；属于预后研究——探究患者特征对疾病结局的影响。