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Table 4 Multiple mixed-effect regression model assessing the adjusted association between practicing years and scores of SF-36 in the study group (n = 165)

From: Effect of Qigong on quality of life: a cross-sectional population-based comparison study in Taiwan

Variables/Coefficient (standard deviation) PF RP BP GH VT SF RE MH PC MC
Practice year           
   < 10 years           
   10~20 years -3.2 (2.8) -10.1 (5.8) -0.5 (2.9) 2.8 (3.34) 2.6 (3.2) -1.1 (2.7) -7.9 (6.3) 6.0 (2.8)* -1.6 (1.1) 1.4 (1.5)
   > 20 years 3.5 (3.7) 1.4 (7.8) 1.8 (3.9) -1.7 (4.5) -0.7 (4.3) -5.1 (3.6) -8.7 (8.5) 3.01 (3.7) 1.0 (1.5) -1.5 (2.0)
  1. Notes:
  2. 1. * P < 0.05; ** P < 0.01; *** P < 0.001
  3. 2.PF, physical functioning; RP, role limitations due to physical problems; BP, bodily pain; GH, general health; VT, vitality; SF, social functioning; RE, role limitations due to emotional problems; MH, general mental health; PC, physical component summary; MC, mental component summary; WTK, Waitankung
  4. 3. Other variables controlled in the model in addition to the intercept were gender, age, education, alcohol use, smoking, stroke, diabetes, heart disease, and hypertension.