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Table 4 Results from restricted cubic splines partial least squares regression analysis with 1 or 2 components: Exam yea r is a dummy variable (1996 coded 0 versus 2006 coded 1); restricted cubic splines create 4 variables for each of Ages and Birthyr.

From: Unravelling the effects of age, period and cohort on metabolic syndrome components in a Taiwanese population using partial least squares regression

  Men (1-comp) Men (2-comp) Women (1-comp) Women (2-comp)
  Coef 95%CIs Coef 95%CIs Coef 95%CIs Coef 95%CIs
FPG         
Exam year -1.45 (-2.14 to -0.75) -4.24 (-5.26 to -3.23) 0.28 (0.00 to 0.56) 1.37 (0.54 to 2.21)
Ages_1 0.05 (0.03 to 0.06) 0.00 (-0.05 to 0.04) 0.03 (0.03 to 0.04) 0.05 (0.03 to 0.07)
Ages_2 0.05 (0.03 to 0.06) 0.00 (-0.03 to 0.03) 0.03 (0.03 to 0.04) 0.04 (0.03 to 0.05)
Ages_3 0.10 (0.06 to 0.14) 0.00 (-0.06 to 0.05) 0.07 (0.06 to 0.09) 0.09 (0.07 to 0.11)
Ages_4 0.24 (0.12 to 0.37) -0.03 (-0.14 to 0.08) 0.18 (0.15 to 0.22) 0.22 (0.16 to 0.27)
Birthyr_1 -0.07 (-0.10 to -0.05) -0.10 (-0.14 to -0.05) -0.02 (-0.03 to -0.02) -0.01 (-0.02 to 0.00)
Birthyr_2 -0.07 (-0.09 to -0.04) -0.09 (-0.11 to -0.06) -0.02 (-0.03 to -0.01) -0.01 (-0.03 to 0.00)
Birthyr_3 -0.31 (-0.45 to -0.18) -0.38 (-0.55 to -0.20) -0.09 (-0.13 to -0.05) -0.04 (-0.12 to 0.04)
Birthyr_4 -1.18 (-1.76 to -0.60) -1.29 (-2.24 to -0.34) -0.32 (-0.50 to -0.14) -0.09 (-0.42 to 0.24)
SBP         
Exam year -0.18 (-0.43 to 0.07) -0.51 (-1.39 to 0.37) -0.76 (-1.19 to -0.33) -3.85 (-5.99 to -1.70)
Ages_1 0.01 (-0.03 to 0.05) -0.01 (-0.08 to 0.06) 0.04 (0.03 to 0.04) -0.01 (-0.05 to 0.04)
Ages_2 0.02 (-0.04 to 0.08) 0.03 (-0.06 to 0.11) 0.05 (0.04 to 0.06) 0.06 (0.04 to 0.09)
Ages_3 0.05 (-0.08 to 0.19) 0.09 (-0.09 to 0.26) 0.11 (0.09 to 0.13) 0.16 (0.11 to 0.21)
Ages_4 0.15 (-0.21 to 0.52) 0.29 (-0.13 to 0.71) 0.29 (0.25 to 0.33) 0.45 (0.31 to 0.59)
Birthyr_1 -0.01 (-0.04 to 0.02) 0.00 (-0.03 to 0.02) -0.05 (-0.06 to -0.04) -0.08 (-0.11 to -0.05)
Birthyr_2 0.00 (-0.01 to 0.02) 0.02 (-0.01 to 0.05) -0.04 (-0.05 to -0.02) -0.02 (-0.04 to 0.01)
Birthyr_3 0.01 (-0.04 to 0.07) 0.12 (-0.08 to 0.31) -0.15 (-0.21 to -0.09) 0.06 (-0.11 to 0.24)
Birthyr_4 0.06 (-0.12 to 0.25) 0.42 (-0.44 to 1.29) -0.54 (-0.77 to -0.30) 0.55 (-0.19 to 1.28)
DBP         
Exam year -0.73 (-0.89 to -0.58) -1.97 (-2.40 to -1.53) -1.04 (-1.55 to -0.53) -3.28 (-4.38 to -2.18)
Ages_1 0.03 (0.02 to 0.04) 0.01 (-0.01 to 0.03) 0.02 (0.01 to 0.03) -0.02 (-0.04 to 0.01)
Ages_2 0.03 (0.02 to 0.04) 0.00 (-0.01 to 0.01) 0.02 (0.02 to 0.03) 0.00 (-0.02 to 0.01)
Ages_3 0.05 (0.03 to 0.08) 0.00 (-0.03 to 0.02) 0.05 (0.05 to 0.06) 0.00 (-0.02 to 0.03)
Ages_4 0.14 (0.06 to 0.21) -0.02 (-0.08 to 0.03) 0.14 (0.12 to 0.16) 0.01 (-0.05 to 0.07)
Birthyr_1 -0.04 (-0.05 to -0.03) -0.05 (-0.07 to -0.04) -0.04 (-0.05 to -0.03) -0.06 (-0.07 to -0.05)
Birthyr_2 -0.04 (-0.05 to -0.03) -0.05 (-0.06 to -0.04) -0.04 (-0.05 to -0.03) -0.04 (-0.06 to -0.03)
Birthyr_3 -0.19 (-0.26 to -0.12) -0.24 (-0.36 to -0.12) -0.18 (-0.23 to -0.12) -0.18 (-0.26 to -0.10)
Birthyr_4 -0.74 (-1.09 to -0.38) -0.92 (-1.64 to -0.20) -0.66 (-0.89 to -0.43) -0.62 (-0.95 to -0.28)
BMI         
Exam year 0.36 (0.17 to 0.55) 0.98 (0.85 to 1.10) -0.30 (-0.40 to -0.20) -1.32 (-1.60 to -1.03)
Ages_1 0.01 (0.01 to 0.02) 0.02 (0.02 to 0.03) 0.01 (0.01 to 0.01) 0.01 (0.01 to 0.01)
Ages_2 0.01 (0.00 to 0.01) 0.01 (0.00 to 0.01) 0.01 (0.01 to 0.01) 0.01 (0.01 to 0.01)
Ages_3 0.01 (0.01 to 0.02) 0.00 (-0.01 to 0.01) 0.02 (0.02 to 0.02) 0.01 (0.00 to 0.01)
Ages_4 0.03 (0.01 to 0.05) -0.01 (-0.04 to 0.01) 0.05 (0.04 to 0.05) 0.00 (-0.01 to 0.01)
Birthyr_1 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.01) -0.01 (-0.01 to -0.01) -0.01 (-0.01 to -0.01)
Birthyr_2 0.00 (-0.01 to 0.00) 0.00 (0.00 to 0.00) -0.02 (-0.02 to -0.02) -0.03 (-0.03 to -0.02)
Birthyr_3 -0.02 (-0.04 to -0.01) -0.01 (-0.05 to 0.02) -0.12 (-0.13 to -0.10) -0.07 (-0.09 to -0.04)
Birthyr_4 -0.10 (-0.18 to -0.02) -0.11 (-0.31 to 0.10) -0.47 (-0.61 to -0.33) 0.49 (-0.13 to 1.11)
TG         
Exam year -1.27 (-2.76 to 0.23) -0.05 (-2.23 to 2.13) -2.32 (-3.32 to -1.31) -7.62 (-9.39 to -5.85)
Ages_1 0.24 (-0.03 to 0.52) 0.28 (0.23 to 0.32) 0.13 (0.10 to 0.16) 0.06 (0.01 to 0.10)
Ages_2 0.13 (-0.16 to 0.42) -0.13 (-0.16 to -0.09) 0.14 (0.12 to 0.16) 0.08 (0.05 to 0.12)
Ages_3 0.20 (-0.38 to 0.78) -0.51 (-0.64 to -0.38) 0.30 (0.26 to 0.34) 0.19 (0.11 to 0.28)
Ages_4 0.36 (-1.00 to 1.72) -1.83 (-2.27 to -1.40) 0.78 (0.69 to 0.87) 0.51 (0.29 to 0.74)
Birthyr_1 -0.23 (-0.44 to -0.03) -0.23 (-0.26 to -0.20) -0.17 (-0.20 to -0.13) -0.22 (-0.26 to -0.19)
Birthyr_2 -0.29 (-0.44 to -0.13) -0.44 (-0.49 to -0.39) -0.15 (-0.19 to -0.11) -0.18 (-0.24 to -0.12)
Birthyr_3 -1.53 (-2.21 to -0.84) -2.52 (-3.19 to -1.84) -0.69 (-0.90 to -0.48) -0.73 (-1.08 to -0.37)
Birthyr_4 -6.10 (-8.48 to -3.72) -10.16 (-13.80 to -6.53) -2.59 (-3.45 to -1.72) -2.41 (-3.93 to -0.88)
HDL         
Exam year 1.79 (0.59 to 2.99) 3.16 (1.47 to 4.84) 8.02 (2.95 to 13.09) 12.06 (10.39 to 13.74)
Ages_1 0.00 (-0.03 to 0.02) 0.04 (0.00 to 0.07) 0.05 (0.02 to 0.08) 0.00 (-0.02 to 0.02)
Ages_2 0.00 (-0.01 to 0.02) 0.04 (0.03 to 0.06) 0.05 (0.02 to 0.07) 0.00 (-0.02 to 0.02)
Ages_3 0.01 (-0.02 to 0.04) 0.09 (0.06 to 0.13) 0.10 (0.05 to 0.15) 0.00 (-0.05 to 0.06)
Ages_4 0.03 (-0.04 to 0.09) 0.24 (0.16 to 0.32) 0.25 (0.12 to 0.37) 0.00 (-0.18 to 0.18)
Birthyr_1 0.05 (0.03 to 0.06) 0.04 (0.03 to 0.06) -0.05 (-0.08 to -0.02) 0.00 (-0.02 to 0.02)
Birthyr_2 0.05 (0.03 to 0.07) 0.05 (0.04 to 0.07) -0.09 (-0.17 to -0.01) 0.00 (-0.07 to 0.08)
Birthyr_3 0.29 (0.18 to 0.40) 0.31 (0.23 to 0.39) -0.80 (-1.42 to -0.18) -0.07 (-0.64 to 0.50)
Birthyr_4 1.17 (0.73 to 1.61) 1.29 (0.97 to 1.62) -5.80 (-10.19 to -1.42) -2.31 (-7.51 to 2.89)
LDL         
Exam year 1.62 (-5.73 to 8.96) 10.45 (-27.47 to 48.38) 0.15 (-4.56 to 4.86) -0.12 (-21.55 to 21.30)
Ages_1 0.13 (-0.13 to 0.39) 0.29 (-0.45 to 1.04) 0.11 (0.08 to 0.14) 0.12 (0.02 to 0.22)
Ages_2 0.10 (-0.04 to 0.24) 0.08 (-0.02 to 0.18) 0.12 (0.09 to 0.15) 0.13 (0.06 to 0.20)
Ages_3 0.19 (-0.05 to 0.43) 0.05 (-0.15 to 0.25) 0.26 (0.21 to 0.31) 0.28 (0.18 to 0.38)
Ages_4 0.45 (-0.02 to 0.91) -0.16 (-1.49 to 1.16) 0.67 (0.56 to 0.78) 0.73 (0.54 to 0.91)
Birthyr_1 -0.07 (-0.12 to -0.02) 0.00 (-0.27 to 0.27) -0.11 (-0.14 to -0.08) -0.12 (-0.22 to -0.02)
Birthyr_2 -0.08 (-0.17 to 0.02) -0.08 (-0.18 to 0.02) -0.18 (-0.22 to -0.13) -0.16 (-0.27 to -0.05)
Birthyr_3 -0.40 (-0.99 to 0.20) -0.57 (-1.71 to 0.57) -1.22 (-2.02 to -0.42) -0.83 (-4.83 to 3.16)
Birthyr_4 -1.61 (-4.36 to 1.14) -2.63 (-9.70 to 4.43) -6.38 (-15.05 to 2.28) -2.57 (-47.86 to 42.72)
UA         
Exam year -0.04 (-0.08 to 0.00) -0.16 (-0.24 to -0.08) -0.17 (-0.27 to -0.06) -0.22 (-0.37 to -0.07)
Ages_1 0.00 (0.00 to 0.00) 0.00 (-0.01 to 0.00) 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00)
Ages_2 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00)
Ages_3 -0.01 (-0.01 to 0.00) -0.01 (-0.01 to 0.00) 0.01 (0.01 to 0.01) 0.01 (0.01 to 0.01)
Ages_4 -0.01 (-0.02 to -0.01) -0.02 (-0.02 to -0.01) 0.03 (0.02 to 0.03) 0.03 (0.02 to 0.03)
Birthyr_1 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00)
Birthyr_2 0.00 (0.00 to 0.00) 0.00 (0.00 to 0.00) 0.01 (0.00 to 0.01) 0.01 (0.01 to 0.01)
Birthyr_3 0.01 (0.00 to 0.01) 0.00 (-0.01 to 0.01) 0.06 (0.02 to 0.10) 0.06 (0.01 to 0.10)
Birthyr_4 0.02 (0.00 to 0.03) 0.00 (-0.03 to 0.03) 0.36 (0.14 to 0.58) 0.29 (-0.20 to 0.79)