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Table 2 Linear Mixed Models between Self-reported Daily Hours of Sedentary Time and Cardiometabolic Risk Factors

From: Sedentary patterns and cardiometabolic risk factors in Mexican children and adolescents: analysis of longitudinal data

 

Waist circumference (cm)

Systolic blood pressure (mm Hg)

Diastolic blood pressure (mm Hg)

Log glucose (mg/dL)

N = 570, # obs. = 1291

N = 570, # obs. = 1290

N = 570, # obs. = 1290

N = 432, # obs. = 1008

▪ 1 visit (n = 58,10.18%)

▪ 1 visit (n = 58,10.18%)

▪ 1 visit (n = 58,10.18%)

▪ 1 visit (n = 53,12.27%)

▪ 2 visits (n = 303,53.16%)

▪ 2 visits (n = 304,53.33%)

▪ 2 visits (n = 304,53.33%)

▪ 2 visits (n = 182,42.13%)

▪ 3 visits (n = 209,36.67%)

▪ 3 visits (n = 208,36.49%)

▪ 3 visits (n = 208,36.49%)

▪ 3 visits (n = 197,45.60%)

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

(hour /day)

(hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

Crude modelsa

β

−0.14

− 0.87**

1.58**

0.04

0.13

− 0.19

0.15

0.28

− 0.17

− 0.0006

− 0.0044

0.0084

Back transformed β

–

–

–

–

–

–

–

–

–

− 0.06%

− 0.44%

0.84%

95% CI

(−0.39, 0.11)

(−1.17, − 0.58)

(1.13, 2.03)

(− 0.20, 0.27)

(− 0.15, 0.41)

(− 0.62, 0.24)

(− 0.02, 0.33)

(0.08, 0.49)

(− 0.49, 0.15)

(− 0.004, 0.0029)

(− 0.0085, −0.0003)

(0.0021, 0.0147)

Adjusted modelsb,c

β

−0.06

−0.1

0.05

0.09

0.17

−0.12

0.16

0.3*

−0.19

−0.0002

− 0.0044

0.0105*

Back transformed β

–

–

–

–

–

–

–

–

–

−0.02%

−0.44%

1.06%

95% CI

(−0.14, 0.03)

(−0.204, − 0.002)

(−0.11 0.21)

(− 0.15, 0.32)

(− 0.11, 0.45)

(−0.57, 0.32)

(− 0.01, 0.33)

(0.1, 0.51)

(− 0.52, 0.15)

(− 0.0036, 0.0032)

(−0.0085, − 0.0004)

(0.004, 0.017)

 

Log TG (mg/dL)

log HDL-C (mg/dL)

Log insulin (μIU/mL)

Log HOMA-IR

N = 432, # obs. = 1008

N = 432, # obs. = 1008

N = 407, # obs. = 837

N = 407, # obs. = 837

▪ 1 visit (n = 53,12.27%)

▪ 1 visit (n = 53,12.27%)

▪ 1 visit (n = 40,9.83%)

▪ 1 visit (n = 40,9.83%)

▪ 2 visits (n = 182,42.13%)

▪ 2 visits (n = 182,42.13%)

▪ 2 visits (n = 304,76.69%)

▪ 2 visits (n = 304,76.69%)

▪ 3 visits (n = 197,45.60%)

▪ 3 visits (n = 197,45.60%)

▪ 3 visits (n = 63,15.48%)

▪ 3 visits (n = 63,15.48%)

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

All sedentary time

Screen-based

Other sedentary time

(hour /day)

time (hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

(hour /day)

time (hour /day)

(hour /day)

Crude modelsa

 β

−0.0019

−0.0038

0.0024

−0.0031

0.0103

−0.0336**

0.0106

−0.0182

0.0765*

0.0098

−0.0238

0.0865*

 Back transformed β

−0.19%

−0.38%

0.24%

−0.31%

1.04%

−3.30%

1.07%

−1.80%

7.95%

0.98%

−2.35%

9.04%

 95% CI

(−0.0139, 0.0101)

(−0.0181, 0.0106)

(− 0.0192, 0.024)

(− 0.0096, 0.0034)

(0.0026, 0.018)

(− 0.045, − 0.0221)

(−0.015, 0.0363)

(− 0.0489, 0.0126)

(0.0302, 0.1228)

(− 0.0162, 0.0358)

(− 0.0549, 0.0074)

(0.0397, 0.1333)

Adjusted modelsb

 β

−0.0019

0.0045

−0.0178

−0.0018

− 0.0005

−0.0054

0.007

0.0063

0.0096

0.0073

0.0027

0.0192

 Back transformed β

−0.19%

0.45%

−1.76%

−0.18%

− 0.05%

−0.54%

0.70%

0.63%

0.96%

0.73%

0.27%

1.94%

95% CI

(−0.0137, 0.0099)

(−0.0098, 0.0189)

(− 0.04, 0.0045)

(− 0.0071, 0.0035)

(−0.0069, 0.006)

(− 0.0153, 0.0046)

(− 0.0157, 0.0297)

(−0.0213, 0.0338)

(− 0.0326, 0.0518)

(− 0.0156, 0.0303)

(−0.0252, 0.0305)

(− 0.0234, 0.0617)

  1. aModels includes either all sedentary time, screen-based sedentary time, or other sedentary time as a fixed effect and compound symmetry error matrix structure
  2. bModels additionally adjusted for the following fixed effects: mother’s enrollment in the calcium intervention study, parity status, mode of childbirth at childbirth, child age, sex, metabolic equivalents, and pubertal onset
  3. cWaist circumference models were additionally adjusted for body mass index
  4. * p < 0.00625
  5. ** p < 0.0001
  6. Back-transform β is expressed as a percentage of change
  7. Abbreviations: TG Triglycerides, HDL-C High density lipoprotein cholesterol, HOMA-IR Homeostatic model assessment of insulin resistance
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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