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Table 2 Multivariable associations of socio-demographic characteristics and lifestyle factors with OCCUPATIONAL sitting time (h/day)

From: Correlates of occupational, leisure and total sitting time in working adults: results from the Singapore multi-ethnic cohort

Occupational sitting time Total sample Chinese Malay Indian
n = 9384 n = 4722 n = 2246 n = 2385
B (95% CI)
p-value
B (95% CI)
p-value
B (95% CI)
p-value
B (95% CI)
p-value
Age
 21-30a 0 0 0 0
 31–40 0.19 (0.04,0.34) 0.012 0.14 (−0.07,0.36) 0.194 0.33 (0.05,0.61) 0.023 0.06 (−0.24,0.35) 0.709
 41–50 0.40 (0.25,0.55) <0.001 0.41 (0.19,0.64) <0.001 0.39 (0.11,0.67) 0.007 0.29 (0.00,0.58) 0.048
 51–60 0.35 (0.19,0.52) <0.001 0.36 (0.12,0.61) 0.004 0.18 (−0.15,0.51) 0.276 0.40 (0.08,0.72) 0.014
 61+ 0.44 (0.20,0.68) <0.001 0.37 (0.04,0.71) 0.029 0.43 (−0.07,0.92) 0.090 0.66 (0.17,1.15) 0.009
Gender
 Malea 0 0 0 0
 Female 0.28 (0.18,0.37) <0.001 0.33 (0.20,0.47) <0.001 0.22 (0.01,0.42) 0.039 0.17 (−0.03,0.38) 0.100
Ethnicity
 Chinesea 0
 Malay −0.34 (−0.45,-0.23) <0.001
 Indian −0.46 (−0.56,-0.36) <0.001
Marital Status
 Marrieda 0 0 0 0
 Never Married −0.01 (−0.14,0.11) 0.813 −0.01 (−0.17,0.15) 0.867 −0.02 (−0.28,0.24) 0.895 −0.07 (−0.33,0.19) 0.609
 Separated/Divorced/Widowed −0.31 (−0.50,-0.13) <0.001 −0.25 (−0.55,0.05) 0.103 −0.30 (−0.66,0.06) 0.098 −0.40 (−0.72,-0.09) 0.012
Highest education
 No Formal/PSLEa 0 0 0 0
 Secondary/O/N/ITE/NTC 0.88 (0.76,0.99) <0.001 1.01 (0.83,1.19) <0.001 0.52 (0.30,0.73) <0.001 1.02 (0.80,1.24) <0.001
 A’level/Polytech/Diploma 1.31 (1.17,1.46) <0.001 1.47 (1.26,1.68) <0.001 1.07 (0.78,1.37) <0.001 1.26 (0.98,1.54) <0.001
 University and above 1.78 (1.63,1.94) <0.001 1.98 (1.76,2.20) <0.001 1.51 (1.05,1.97) <0.001 1.53 (1.23,1.84) <0.001
Smoking
 Noa 0 0 0 0
 Former −0.04 (−0.20,0.12) 0.619 −0.18 (−0.41,0.04) 0.113 0.30 (−0.01,0.60) 0.059 −0.08 (−0.42,0.26) 0.646
 Yes −0.20 (−0.33,-0.08) <0.001 −0.21 (−0.40,-0.03) 0.024 −0.21 (−0.42,0.01) 0.063 −0.20 (−0.44,0.03) 0.093
Total Caloric Intake (Kcal/day)
 1st quartilea 0 0 0 0
 2nd quartile 0.11 (−0.01,0.23) 0.070 0.19 (0.03,0.35) 0.020 0.14 (−0.10,0.37) 0.257 −0.14 (−0.39,0.12) 0.299
 3rd quartile 0.27 (0.15,0.39) <0.001 0.29 (0.13,0.46) <0.001 0.42 (0.18,0.66) <0.001 0.05 (−0.20,0.30) 0.717
 4th quartile 0.28 (0.16,0.40) <0.001 0.32 (0.15,0.49) <0.001 0.37 (0.14,0.61) 0.002 0.05 (−0.20,0.29) 0.720
Moderate-to-vigorous LTPA (MET-h/week)
 0a 0 0 0 0
  > 0 - ≤ 10.7 0.10 (−0.01,0.20) 0.070 0.16 (0.02,0.31) 0.030 −0.04 (−0.24,0.17) 0.718 0.05 (−0.16,0.26)
0.660
  > 10.7 0.00 (−0.10,0.11) 0.970 0.07 (−0.09,0.22) 0.398 −0.31 (−0.52,-0.10) 0.004 0.12 (−0.09,0.32) 0.274
  1. Bold numbers represent statistically significant findings
  2. All models are corrected for total working time in hours per day
  3. h hours, ITE Institute of Technical Education, Kcal Kilocalorie, LTPA Leisure Time Physical Activity, MET Metabolic Equivalent of Task, NTC National Technical Certificate, O/N O and N levels, PSLE Primary School Leaving Exam, 12 years old, B Beta, CI Confidence Interval
  4. areference category