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Table. 3.

Table. 3.

Hazard ratio of metabolic syndrome according to change in sitting time (ST) by metabolic syndrome risk factor

Characteristic of risk factors Elevated FBG (n=278) Elevated BP (n=111) Elevated TG (n=406) Elevated WC (n=196) Low HDL-C (n=556)
Change in ST (total)
Consistently non-ST (LL) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference)
Formerly ST (HL) 0.82 (0.50−1.37) 0.94 (0.32−2.78) 0.72 (0.46−1.15) 0.96 (0.53−1.68) 1.19 (0.84−1.70)
Newly ST (LH) 1.42 (0.83−2.41) 1.40 (0.56−3.49) 1.76* (1.14−2.72) 1.59 (0.93−2.74) 1.41 (0.95−2.08)
Consistently ST (HH) 1.07 (0.52−2.18) 0.88 (0.18−4.18) 1.30 (0.74−2.28) 1.45 (0.70−3.00) 0.76 (0.43−1.34)
p for trend 0.470 0.722 0.067 0.102 0.755
Change in ST (weekday)
Consistently non-ST (LL) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference)
Formerly ST (HL) 0.83 (0.49−1.38) 0.58 (0.15−2.20) 0.84 (0.53−1.32) 0.88 (0.49−1.59) 1.26 (0.89−1.80)
Newly ST (LH) 1.43 (0.85−2.40) 1.67 (0.68−4.06) 1.93** (1.26−2.96) 1.67 (0.97−2.86) 1.43 (0.96−2.13)
Consistently ST (HH) 1.11 (0.56−2.19) 1.37 (0.37−5.10) 1.15 (0.67−1.98) 1.47 (0.73−2.96) 0.86 (0.50−1.48)
p for trend 0.400 0.375 0.075 0.081 0.525
Change in ST (weekend)
Consistently non-ST (LL) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference) 1.00 (Reference)
Formerly ST (HL) 0.74 (0.44−1.27) 0.36 (0.09−1.35) 0.92 (0.58−1.44) 0.71 (0.39−1.28) 1.09 (0.75−1.57)
Newly ST (LH) 1.64 (0.96−2.79 0.83 (0.29−2.30) 1.72* (1.10−2.69) 1.28 (0.75−2.20) 0.86 (0.59−1.31)
Consistently ST (HH) 1.26 (0.59−2.67) 0.53 (0.06−4.13) 1.57 (0.92−2.69) 1.50 (0.68−3.30) 0.78 (0.41−1.45)
p for trend 0.213 0.371 0.017 0.321 0.405

Multivariable model age, sex, income level, sleep duration, alcohol consumption, current smoking, human serum-C reactive protein, body mass index, glycosylated hemoglobin, estimated glomerular filtration rate, homeostasis model assessment of insulin resistance, and total metabolic equivalent tasks.

FBG: fasting blood glucose, BP: blood pressure, TG: triglyceride, WC: waist circumference, HDL-C: high density lipoprotein cholesterol, LL: low-low, HL: high-low, LH: low-high, HH: high-high.

LL, <7 hr/day in 2011−2012 and 2013−2014; HL, ≥7 hr/day in 2011−2012 and <7 hr/day in 2013−2014; LH, <7 hr/day in 2011−2012 and ≥7 hr/day in 2013−2014; HH, ≥7 hr/day in 2011−2012 and 2013−2014.

*p<0.05, **p<0.01.

Korean J Sports Med 2024;42:46-54 https://doi.org/10.5763/kjsm.2024.42.1.46
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