Association between physical activity and inflammatory markers in college students
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摘要:
目的 分析大学生体力活动与炎症标志物的关联及剂量反应关系,为促进大学生心血管健康提供参考依据。 方法 采用整群随机抽样方法,于2019年4—5月在安徽省合肥市和江西省上饶市2所高校抽取747名大学生,使用国际体力活动问卷—短卷(IPAQ-SF)评估大学生体力活动,同时采集外周血检测血浆炎症因子水平[超敏C反应蛋白(hsCRP)、白介素-10(IL-10)、白介素-1β(IL-1β)、白介素-6(IL-6)、肿瘤坏死因子α(TNF-α)]。使用χ2检验和双侧Kruskal-Wallis秩和检验比较组间差异,采用广义线性模型和限制性立方样条模型分别分析体力活动与炎症标志物的关联及其剂量反应关系。 结果 大学生低、中、高体力活动组的占比分别为15.9%,53.7%,30.4%。hsCRP、IL-10、II-1β、IL-6、TNF-α水平在高体力活动组分别为0.38(0.21,1.10)mg/L,70.74(47.90,116.43)pg/mL,1.75(1.21,2.64)pg/mL,4.33(2.93,6.82)pg/mL,5.27(3.89,7.30)pg/mL;低体力活动组分别为0.80(0.31,1.30)mg/L,73.88(47.90,124.24)pg/mL,1.88(1.42,2.81)pg/mL,4.82(3.64,6.67)pg/mL,5.63(4.34,7.62)pg/mL;中体力活动组分别为0.63(0.25,1.30)mg/L,89.78(58.21,127.65)pg/mL,2.21(1.59,3.27)pg/mL,5.15(3.72,7.72)pg/mL,5.87(4.63,8.00)pg/mL,差异均有统计学意义(H值分别为10.66,11.38,27.79,14.13,9.44,P值均 < 0.05)。广义线性模型结果显示,调整性别、体质量指数、吸烟、饮酒和健康状况等变量后,与高体力活动组相比,低体力活动(OR=2.20,95%CI=1.46~3.31)和中体力活动组(OR=1.65,95%CI=1.22~2.25)出现高水平hsCRP的可能性更高,中体力活动组出现高水平IL-1β(OR=1.85,95%CI=1.36~2.51)、IL-6(OR=1.44,95%CI=1.06~1.96)、TNF-α(OR=1.43,95%CI=1.05~1.94)的可能性更高(P值均 < 0.05)。限制性立方样条模型显示,每周中高强度体力活动时间与IL-10、IL-6、IL-1β和TNF-α之间存在非线性剂量反应关系(P值均 < 0.05)。 结论 大学生体力活动与炎症之间存在关联;中高强度体力活动有助于降低炎症水平,促进大学生心血管代谢健康。 Abstract:Objective To analyze the association and dose-response relationship between physical activity and inflammatory markers in college students, so as to provide a reference for promoting cardiometabolic health in college students. Methods A cluster random sampling method was used to select 747 college students from two universities in Hefei, Anhui Province and Shangrao, Jiangxi Province from April to May 2019. Physical activity was assessed by using the International Physical Activity Questionnaire-Short Form (IPAQ-SF), and peripheral blood was collected to detect plasma inflammatory factor levels [including hypersensitive C-reactive protein (hsCRP), interleukin-10 (IL-10), interleukin-1β (IL-1β), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α)]. The differences between the groups were compared by using the χ2 test and the Kruskal-Wallis rank sum test, and the association between physical activity and inflammatory markers was analyzed by using the Generalized Linear Model. The dose-response relationship between physical activity and inflammatory markers was analyzed using the Restricted Cubic Spline Model. Results The proportions of low physical activity, moderate physical activity, and high physical activity groups of college students were 15.9%, 53.7% and 30.4%, respectively. The levels of hsCRP, IL-10, IL-1β, IL-6 and TNF-α in the high physical activity group were 0.38(0.21, 1.10)mg/L, 70.74(47.90, 116.43)pg/mL, 1.75(1.21, 2.64)pg/mL, 4.33(2.93, 6.82)pg/mL, 5.27(3.89, 7.30)pg/mL, the levels in the low physical activity group were 0.80(0.31, 1.30)mg/L, 73.88(47.90, 124.24)pg/mL, 1.88(1.42, 2.81) pg/mL, 4.82 (3.64, 6.67) pg/mL, 5.63 (4.34, 7.62)pg/mL, the levels in the moderate physical activity group were 0.63(0.25, 1.30)mg/L, 89.78(58.21, 127.65)pg/mL, 2.21(1.59, 3.27)pg/mL, 5.15(3.72, 7.72)pg/mL, 5.87(4.63, 8.00)g/mL, and the differences were statistically significant (H=10.66, 11.38, 27.79, 14.13, 9.44, P < 0.05). After adjusting for variables such as gender, body mass index, smoking, alcohol consumption and health status, the results of Generalized Linear Model showed that compared with the high physical activity group, the low physical activity group (OR=2.20, 95%CI=1.46-3.31) and the moderate physical activity group (OR=1.65, 95%CI=1.22-2.25) were more likely to have high levels of hsCRP, and the moderate physical activity group was more likely to have high levels of IL-1β (OR=1.85, 95%CI=1.36-2.51), IL-6 (OR=1.44, 95%CI=1.06-1.96), and TNF-α (OR=1.43, 95%CI=1.05-1.94) (P < 0.05). The Restricted Cubic Spline Model showed that there was no linear dose-response relationship between the time of moderate-to-vigorous physical activity weekly and IL-10, IL-6, II-1β, and TNF-α (P < 0.05). Conclusion There is an association between physical activity and inflammation in college students, and moderate to high intensity per week could reduce inflammation levels to promote cardiometabolic health in college students. -
Key words:
- Motor activity /
- Cytokines /
- Dose-response relationship /
- Students
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 不同组别大学生体力活动水平分布比较
Table 1. Comparison of distribution of physical activity levels among college students with different groups
人口统计学指标 选项 人数 低体力活动 中体力活动 高体力活动 χ2值 P值 性别 男 248 42(16.9) 94(37.9) 112(45.2) 44.12 <0.01 女 499 77(15.4) 307(61.5) 115(23.0) 健康状况 好 445 61(13.7) 231(51.9) 153(34.4) 10.24 0.04 一般 278 54(19.4) 155(55.8) 69(24.8) 差 24 4(16.7) 15(62.5) 5(20.8) BMI/(kg·m-2) <18.5 123 17(13.8) 84(68.3) 22(17.9) 20.33 <0.01 18.5~<24.0 555 94(16.9) 272(49.0) 189(34.1) ≥24.0 69 8(11.6) 45(65.2) 16(23.2) 最近1个月吸烟天数/d 0 696 109(15.7) 388(55.7) 199(28.6) 19.39 <0.01 ≥1 51 10(19.6) 13(25.5) 28(54.9) 最近1个月饮酒天数/d 0 583 96(16.5) 332(56.9) 155(26.6) 18.38 <0.01 ≥1 164 23(14.0) 69(42.1) 72(43.9) 家庭经济条件 好 39 9(23.1) 18(46.2) 12(30.8) 5.62 0.23 一般 542 79(14.6) 304(56.1) 159(29.3) 差 166 31(18.7) 79(47.6) 56(33.7) 家庭居住地 农村 415 68(16.4) 218(52.5) 129(31.1) 1.35 0.85 城镇 215 33(15.3) 115(53.5) 67(31.2) 市区 117 18(15.4) 68(58.1) 31(26.5) 注:( )内数字为构成比/%。 表 2 不同体力活动水平分组大学生炎症标志物水平比较[M(P25, P75)]
Table 2. Comparison of inflammatory marker levels in groups stratified by physical activity levels of college students[M(P25, P75)]
体力活动 人数 hsCRP/(mg·L-1) IL-10/(pg·L-1) IL-1β/(pg·L-1) IL-6/(pg·L-1) TNF-α/(pg·L-1) 低 119 0.80(0.31,1.30) 73.88(47.90,124.24) 1.88(1.42,2.81) 4.82(3.64,6.67) 5.63(4.34,7.62) 中 401 0.63(0.25,1.30) 89.78(58.21,127.65) 2.21(1.59,3.27) 5.15(3.72,7.72) 5.87(4.63,8.00) 高 227 0.38(0.21,1.10) 70.74(47.90,116.43) 1.75(1.21,2.64) 4.33(2.93,6.82) 5.27(3.89,7.30) H值 10.66 11.38 27.79 14.13 9.44 P值 <0.01 <0.01 <0.01 <0.01 <0.01 表 3 大学生体力活动水平与炎症标志物的关联[OR值(95%CI),n=747]
Table 3. Associations between physical activity level and inflammatory markers in college students[OR(95%CI), n=747]
调整前后 自变量 hsCRP IL-10 IL-1β IL-6 TNF-α 调整前 低体力活动 2.03(1.36~3.03)** 1.14(0.77~1.70) 1.37(0.92~2.04) 1.39(0.93~2.07) 1.29(0.87~1.93) 中体力活动 1.58(1.18~2.12)** 1.58(1.18~2.12)** 2.21(1.64~2.98)** 1.69(1.26~2.27)** 1.56(1.16~2.09)** 调整后 低体力活动 2.20(1.46~3.31)** 0.99(0.66~1.49) 1.20(0.80~1.80) 1.28(0.85~1.92) 1.21(0.81~1.81) 中体力活动 1.65(1.22~2.25)** 1.34(0.99~1.82) 1.85(1.36~2.51)** 1.44(1.06~1.96)* 1.43(1.05~1.94)* 注:*P<0.05,**P<0.01。 -
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